EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A3 16535 11693
encoding utf-8
Sheet 1 4
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Sheet
S 13250 1550 900  1500
U 60495576
F0 "X" 50
F1 "stepper-driver.sch" 50
F2 "VM" I L 13250 1750 50 
F3 "STEP" I L 13250 2200 50 
F4 "DIR" I L 13250 2300 50 
F5 "VCC_IO" I L 13250 1950 50 
F6 "A+" I R 14150 1850 50 
F7 "A-" I R 14150 2050 50 
F8 "B+" I R 14150 2250 50 
F9 "B-" I R 14150 2450 50 
F10 "nEN" I L 13250 2400 50 
F11 "CSN" I L 13250 2600 50 
F12 "SCK" I L 13250 2700 50 
F13 "SDI" I L 13250 2800 50 
F14 "SDO" I L 13250 2900 50 
$EndSheet
Wire Wire Line
	13250 2900 13000 2900
Wire Wire Line
	13000 6350 13250 6350
Wire Wire Line
	13250 6250 12950 6250
Wire Wire Line
	12700 2600 13250 2600
Wire Wire Line
	12700 2800 13250 2800
Wire Wire Line
	12700 6150 13250 6150
Wire Wire Line
	12700 6450 13250 6450
Text Label 12700 6450 2    50   ~ 0
TMC_SDO
Text Label 12700 6150 2    50   ~ 0
Z_CSN
Text Label 12700 2600 2    50   ~ 0
X_CSN
Text Label 12700 2700 2    50   ~ 0
TMC_SCK
Text Label 12700 2800 2    50   ~ 0
TMC_SDI
Text Label 12700 2400 2    50   ~ 0
STEPPERS_nEN
Text Label 12700 2200 2    50   ~ 0
X_STEP
Text Label 12700 2300 2    50   ~ 0
X_DIR
Wire Wire Line
	12700 2300 13250 2300
Wire Wire Line
	12700 2200 13250 2200
Text Label 10650 3300 0    50   ~ 0
TMC_SDO
Text Label 10650 3700 0    50   ~ 0
Z_CSN
Text Label 10650 3600 0    50   ~ 0
Y_CSN
Text Label 10650 3500 0    50   ~ 0
X_CSN
Text Label 10650 3400 0    50   ~ 0
TMC_SCK
Text Label 10650 3200 0    50   ~ 0
TMC_SDI
Text Label 10700 6450 0    50   ~ 0
Y_DIR
Text Label 10700 6350 0    50   ~ 0
Y_STEP
Text Label 10700 6550 0    50   ~ 0
Z_STEP
Text Label 10700 6650 0    50   ~ 0
Z_DIR
$Comp
L Connector_Generic:Conn_01x04 J104
U 1 1 5FFF6225
P 14850 1750
F 0 "J104" H 14850 1950 50  0000 C CNN
F 1 "JST SH" H 14850 1450 50  0000 C CNN
F 2 "" H 14850 1750 50  0001 C CNN
F 3 "~" H 14850 1750 50  0001 C CNN
	1    14850 1750
	1    0    0    -1  
$EndComp
$Comp
L Connector_Generic:Conn_01x04 J105
U 1 1 5FFF65FC
P 14850 2750
F 0 "J105" H 14850 2950 50  0000 C CNN
F 1 "Screw Terminals" H 14850 2450 50  0000 C CNN
F 2 "" H 14850 2750 50  0001 C CNN
F 3 "~" H 14850 2750 50  0001 C CNN
	1    14850 2750
	1    0    0    -1  
$EndComp
Wire Wire Line
	14150 1850 14250 1850
Wire Wire Line
	14250 1850 14250 1650
Wire Wire Line
	14250 1650 14650 1650
Wire Wire Line
	14250 1850 14250 2650
Wire Wire Line
	14250 2650 14650 2650
Connection ~ 14250 1850
Wire Wire Line
	14150 2050 14350 2050
Wire Wire Line
	14350 2050 14350 1750
Wire Wire Line
	14350 1750 14650 1750
Wire Wire Line
	14150 2250 14450 2250
Wire Wire Line
	14450 2250 14450 1850
Wire Wire Line
	14450 1850 14650 1850
Wire Wire Line
	14150 2450 14550 2450
Wire Wire Line
	14550 2450 14550 1950
Wire Wire Line
	14550 1950 14650 1950
Wire Wire Line
	14350 2050 14350 2750
Wire Wire Line
	14350 2750 14650 2750
Connection ~ 14350 2050
Wire Wire Line
	14450 2250 14450 2850
Wire Wire Line
	14450 2850 14650 2850
Connection ~ 14450 2250
Wire Wire Line
	14550 2450 14550 2950
Wire Wire Line
	14550 2950 14650 2950
Connection ~ 14550 2450
Text Label 12700 1750 2    50   ~ 0
VM
Text Label 12700 1950 2    50   ~ 0
VCCIO
Wire Wire Line
	12700 1950 13250 1950
Text Label 12150 1250 0    50   ~ 0
VM
Text Label 11300 1100 0    50   ~ 0
VCCIO
Wire Wire Line
	11000 1100 11100 1100
Wire Wire Line
	14250 3400 14650 3400
$Comp
L Connector_Generic:Conn_01x04 J109
U 1 1 6000FCDA
P 14850 6300
F 0 "J109" H 14850 6500 50  0000 C CNN
F 1 "Screw Terminals" H 14850 6000 50  0000 C CNN
F 2 "" H 14850 6300 50  0001 C CNN
F 3 "~" H 14850 6300 50  0001 C CNN
	1    14850 6300
	1    0    0    -1  
$EndComp
Wire Wire Line
	14250 6200 14650 6200
Wire Wire Line
	14150 6000 14550 6000
Wire Wire Line
	14350 6300 14650 6300
Wire Wire Line
	14450 6400 14650 6400
Wire Wire Line
	14550 6000 14550 6500
Wire Wire Line
	14550 6500 14650 6500
$Comp
L MCU_Microchip_ATmega:ATmega328P-MU U101
U 1 1 6002B4E3
P 2000 6100
F 0 "U101" H 1500 7550 50  0000 L BNN
F 1 "ATmega328P-MU" H 2100 4650 50  0000 L TNN
F 2 "Package_DFN_QFN:QFN-32-1EP_5x5mm_P0.5mm_EP3.1x3.1mm" H 2000 6100 50  0001 C CIN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/ATmega328_P%20AVR%20MCU%20with%20picoPower%20Technology%20Data%20Sheet%2040001984A.pdf" H 2000 6100 50  0001 C CNN
F 4 "ATMEGA328P-MU-ND" H 2000 6100 50  0001 C CNN "Digikey"
	1    2000 6100
	1    0    0    -1  
$EndComp
$Comp
L Connector:USB_B_Micro J101
U 1 1 6002F056
P 800 1150
F 0 "J101" H 600 1600 50  0000 L CNN
F 1 "USB_B_Micro" H 600 1500 50  0000 L CNN
F 2 "" H 950 1100 50  0001 C CNN
F 3 "~" H 950 1100 50  0001 C CNN
	1    800  1150
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0102
U 1 1 6003D6C3
P 800 1750
F 0 "#PWR0102" H 800 1500 50  0001 C CNN
F 1 "GND" H 800 1600 50  0000 C CNN
F 2 "" H 800 1750 50  0001 C CNN
F 3 "" H 800 1750 50  0001 C CNN
	1    800  1750
	1    0    0    -1  
$EndComp
Wire Wire Line
	700  1550 700  1650
Wire Wire Line
	700  1650 800  1650
Wire Wire Line
	800  1650 800  1550
Wire Wire Line
	800  1650 800  1750
Connection ~ 800  1650
$Comp
L power:GND #PWR0106
U 1 1 600666AE
P 2000 7700
F 0 "#PWR0106" H 2000 7450 50  0001 C CNN
F 1 "GND" H 2000 7550 50  0000 C CNN
F 2 "" H 2000 7700 50  0001 C CNN
F 3 "" H 2000 7700 50  0001 C CNN
	1    2000 7700
	1    0    0    -1  
$EndComp
Wire Wire Line
	2000 7700 2000 7600
$Comp
L Interface_USB:FT232RL U103
U 1 1 6006A1AB
P 5650 2050
F 0 "U103" H 5000 2950 50  0000 L CNN
F 1 "FT232RL" H 6050 2950 50  0000 L CNN
F 2 "Package_SO:SSOP-28_5.3x10.2mm_P0.65mm" H 6750 1150 50  0001 C CNN
F 3 "https://www.ftdichip.com/Support/Documents/DataSheets/ICs/DS_FT232R.pdf" H 5650 2050 50  0001 C CNN
F 4 "768-1007-1-ND" H 5650 2050 50  0001 C CNN "Digikey"
	1    5650 2050
	1    0    0    -1  
$EndComp
$Comp
L power:GND1 #PWR0123
U 1 1 6008A6A2
P 10700 6950
F 0 "#PWR0123" H 10700 6700 50  0001 C CNN
F 1 "GND1" H 10700 6800 50  0000 C CNN
F 2 "" H 10700 6950 50  0001 C CNN
F 3 "" H 10700 6950 50  0001 C CNN
	1    10700 6950
	1    0    0    -1  
$EndComp
Wire Wire Line
	10700 6950 10700 6850
Wire Wire Line
	10700 6850 10600 6850
Wire Wire Line
	10700 6350 10600 6350
Wire Wire Line
	10600 6450 10700 6450
Wire Wire Line
	10700 6550 10600 6550
Wire Wire Line
	10600 6650 10700 6650
Text Label 9700 6350 2    50   ~ 0
ATMEGA_YSTEP
Text Label 9700 6450 2    50   ~ 0
ATMEGA_YDIR
Text Label 9700 6650 2    50   ~ 0
ATMEGA_ZDIR
Text Label 9700 6550 2    50   ~ 0
ATMEGA_ZSTEP
Wire Wire Line
	9800 6350 9700 6350
Wire Wire Line
	9700 6450 9800 6450
Wire Wire Line
	9800 6550 9700 6550
Wire Wire Line
	9700 6650 9800 6650
Wire Wire Line
	10600 6050 10700 6050
Wire Wire Line
	11300 6050 11200 6050
$Comp
L power:GND #PWR0118
U 1 1 600F8F87
P 9700 6950
F 0 "#PWR0118" H 9700 6700 50  0001 C CNN
F 1 "GND" H 9700 6800 50  0000 C CNN
F 2 "" H 9700 6950 50  0001 C CNN
F 3 "" H 9700 6950 50  0001 C CNN
	1    9700 6950
	1    0    0    -1  
$EndComp
Wire Wire Line
	9700 6950 9700 6850
Wire Wire Line
	9700 6850 9800 6850
Wire Wire Line
	10600 6150 10700 6150
Wire Wire Line
	10700 6150 10700 6050
Connection ~ 10700 6050
Wire Wire Line
	10700 6050 11000 6050
Wire Wire Line
	9250 6050 9350 6050
Wire Wire Line
	9550 6050 9800 6050
Text Label 3300 6800 0    50   ~ 0
ATMEGA_XSTEP
Text Label 3300 7100 0    50   ~ 0
ATMEGA_XDIR
Text Label 3300 6900 0    50   ~ 0
ATMEGA_YSTEP
Text Label 3300 7200 0    50   ~ 0
ATMEGA_YDIR
Text Label 3300 7300 0    50   ~ 0
ATMEGA_ZDIR
Text Label 3300 7000 0    50   ~ 0
ATMEGA_ZSTEP
$Comp
L Connector_Generic:Conn_01x02 J103
U 1 1 60195F17
P 11850 1350
F 0 "J103" H 11850 1450 50  0000 C CNN
F 1 "Conn_01x02" H 11850 1150 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" H 11850 1350 50  0001 C CNN
F 3 "~" H 11850 1350 50  0001 C CNN
	1    11850 1350
	-1   0    0    1   
$EndComp
$Comp
L power:GND1 #PWR0128
U 1 1 601A5089
P 12150 1350
F 0 "#PWR0128" H 12150 1100 50  0001 C CNN
F 1 "GND1" H 12150 1200 50  0000 C CNN
F 2 "" H 12150 1350 50  0001 C CNN
F 3 "" H 12150 1350 50  0001 C CNN
	1    12150 1350
	0    -1   -1   0   
$EndComp
Wire Wire Line
	12150 1350 12050 1350
$Comp
L cnc-controller:RFM-0505S U104
U 1 1 601B4C88
P 9300 1200
F 0 "U104" H 9300 1450 50  0000 C CNN
F 1 "RFM-0505S" H 9300 950 50  0000 C CNN
F 2 "cnc-controller:RFM-0505S" H 9300 1250 50  0001 C CNN
F 3 "" H 9300 1250 50  0001 C CNN
F 4 "945-3159-ND" H 9300 1200 50  0001 C CNN "Digikey"
	1    9300 1200
	1    0    0    -1  
$EndComp
$Comp
L Regulator_Linear:TLV73333PDBV U108
U 1 1 601C73C7
P 10700 1200
F 0 "U108" H 10550 1425 50  0000 C CNN
F 1 "TLV73333PDBV" H 10700 1425 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23-5" H 10700 1525 50  0001 C CIN
F 3 "http://www.ti.com/lit/ds/symlink/tlv733p.pdf" H 10700 1200 50  0001 C CNN
	1    10700 1200
	1    0    0    -1  
$EndComp
$Comp
L power:GND1 #PWR0124
U 1 1 601D0E14
P 10700 1600
F 0 "#PWR0124" H 10700 1350 50  0001 C CNN
F 1 "GND1" H 10700 1450 50  0000 C CNN
F 2 "" H 10700 1600 50  0001 C CNN
F 3 "" H 10700 1600 50  0001 C CNN
	1    10700 1600
	1    0    0    -1  
$EndComp
Wire Wire Line
	10700 1600 10700 1500
Wire Wire Line
	10400 1200 10300 1200
$Comp
L Device:C_Small C111
U 1 1 601EBDFB
P 10100 1300
F 0 "C111" H 10110 1370 50  0000 L CNN
F 1 "1 uF" H 10110 1220 50  0000 L CNN
F 2 "" H 10100 1300 50  0001 C CNN
F 3 "~" H 10100 1300 50  0001 C CNN
	1    10100 1300
	1    0    0    -1  
$EndComp
Wire Wire Line
	10100 1200 10100 1100
Wire Wire Line
	10300 1200 10300 1100
Connection ~ 10300 1100
Wire Wire Line
	10300 1100 10400 1100
$Comp
L Device:C_Small C115
U 1 1 60216332
P 11100 1300
F 0 "C115" H 11110 1370 50  0000 L CNN
F 1 "1 uF" H 11110 1220 50  0000 L CNN
F 2 "" H 11100 1300 50  0001 C CNN
F 3 "~" H 11100 1300 50  0001 C CNN
	1    11100 1300
	1    0    0    -1  
$EndComp
Wire Wire Line
	11100 1200 11100 1100
Connection ~ 11100 1100
Wire Wire Line
	11100 1100 11300 1100
$Comp
L power:GND1 #PWR0120
U 1 1 6021F64F
P 10100 1500
F 0 "#PWR0120" H 10100 1250 50  0001 C CNN
F 1 "GND1" H 10100 1350 50  0000 C CNN
F 2 "" H 10100 1500 50  0001 C CNN
F 3 "" H 10100 1500 50  0001 C CNN
	1    10100 1500
	1    0    0    -1  
$EndComp
Connection ~ 10100 1100
Wire Wire Line
	10100 1100 10300 1100
Wire Wire Line
	9800 1100 10100 1100
Wire Wire Line
	10100 1400 10100 1450
$Comp
L power:GND1 #PWR0125
U 1 1 60231EC2
P 11100 1500
F 0 "#PWR0125" H 11100 1250 50  0001 C CNN
F 1 "GND1" H 11100 1350 50  0000 C CNN
F 2 "" H 11100 1500 50  0001 C CNN
F 3 "" H 11100 1500 50  0001 C CNN
	1    11100 1500
	1    0    0    -1  
$EndComp
Wire Wire Line
	11100 1400 11100 1500
Wire Wire Line
	8400 1400 8400 1450
Wire Wire Line
	8400 1200 8400 1100
Wire Wire Line
	8800 1300 8800 1450
Wire Wire Line
	8800 1450 8400 1450
Connection ~ 8400 1450
Wire Wire Line
	9800 1300 9900 1300
Wire Wire Line
	9900 1300 9900 1450
Wire Wire Line
	9900 1450 10100 1450
Connection ~ 10100 1450
Wire Wire Line
	10100 1450 10100 1500
$Comp
L power:GND #PWR0113
U 1 1 6028B5F5
P 8400 1550
F 0 "#PWR0113" H 8400 1300 50  0001 C CNN
F 1 "GND" H 8400 1400 50  0000 C CNN
F 2 "" H 8400 1550 50  0001 C CNN
F 3 "" H 8400 1550 50  0001 C CNN
	1    8400 1550
	1    0    0    -1  
$EndComp
Wire Wire Line
	8400 1450 8400 1550
Text Label 8400 1100 0    50   ~ 0
VUSB
Text Label 1200 950  0    50   ~ 0
VUSB
Wire Wire Line
	1200 950  1100 950 
Text Label 9950 2350 0    50   ~ 0
VCCIO
Wire Wire Line
	9950 2350 9950 2800
Wire Wire Line
	8400 1100 8800 1100
Text Label 11150 3100 0    50   ~ 0
ATTINY_UPDI
Wire Wire Line
	10550 3200 10650 3200
Wire Wire Line
	10650 3300 10550 3300
Wire Wire Line
	10550 3400 10650 3400
Wire Wire Line
	10650 3500 10550 3500
Wire Wire Line
	10550 3600 10650 3600
Wire Wire Line
	10650 3700 10550 3700
Text Label 9250 3400 2    50   ~ 0
ATTINY_RXD
Text Label 9250 3300 2    50   ~ 0
ATTINY_TXD
Wire Wire Line
	9250 3300 9350 3300
Wire Wire Line
	9350 3400 9250 3400
$Comp
L Device:C_Small C110
U 1 1 6035215A
P 10100 2550
F 0 "C110" H 10110 2620 50  0000 L CNN
F 1 "1 uF" H 10110 2470 50  0000 L CNN
F 2 "" H 10100 2550 50  0001 C CNN
F 3 "~" H 10100 2550 50  0001 C CNN
	1    10100 2550
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C112
U 1 1 60352C5A
P 10500 2550
F 0 "C112" H 10510 2620 50  0000 L CNN
F 1 "0.1 uF" H 10510 2470 50  0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 10500 2550 50  0001 C CNN
F 3 "~" H 10500 2550 50  0001 C CNN
F 4 "587-1226-1-ND" H 10500 2550 50  0001 C CNN "Digikey"
	1    10500 2550
	1    0    0    -1  
$EndComp
$Comp
L power:GND1 #PWR0119
U 1 1 60353AEC
P 10100 2700
F 0 "#PWR0119" H 10100 2450 50  0001 C CNN
F 1 "GND1" H 10100 2550 50  0000 C CNN
F 2 "" H 10100 2700 50  0001 C CNN
F 3 "" H 10100 2700 50  0001 C CNN
	1    10100 2700
	1    0    0    -1  
$EndComp
$Comp
L power:GND1 #PWR0121
U 1 1 60353BF7
P 10500 2700
F 0 "#PWR0121" H 10500 2450 50  0001 C CNN
F 1 "GND1" H 10500 2550 50  0000 C CNN
F 2 "" H 10500 2700 50  0001 C CNN
F 3 "" H 10500 2700 50  0001 C CNN
	1    10500 2700
	1    0    0    -1  
$EndComp
Wire Wire Line
	10500 2700 10500 2650
Wire Wire Line
	10500 2450 10500 2350
Wire Wire Line
	10500 2350 10100 2350
Wire Wire Line
	10100 2450 10100 2350
Connection ~ 10100 2350
Wire Wire Line
	10100 2350 9950 2350
Wire Wire Line
	10100 2650 10100 2700
$Comp
L Device:C_Small C107
U 1 1 602445F1
P 8400 1300
F 0 "C107" H 8410 1370 50  0000 L CNN
F 1 "1 uF" H 8410 1220 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 8400 1300 50  0001 C CNN
F 3 "~" H 8400 1300 50  0001 C CNN
F 4 "1276-6524-1-ND" H 8400 1300 50  0001 C CNN "Digikey"
	1    8400 1300
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R105
U 1 1 60382A46
P 10900 3100
F 0 "R105" H 10930 3120 50  0000 L CNN
F 1 "4k7R" H 10930 3060 50  0000 L CNN
F 2 "" H 10900 3100 50  0001 C CNN
F 3 "~" H 10900 3100 50  0001 C CNN
	1    10900 3100
	0    -1   -1   0   
$EndComp
Wire Wire Line
	10550 3100 10800 3100
Wire Wire Line
	11000 3100 11150 3100
$Comp
L power:GND #PWR0111
U 1 1 6039B09F
P 5850 3250
F 0 "#PWR0111" H 5850 3000 50  0001 C CNN
F 1 "GND" H 5850 3100 50  0000 C CNN
F 2 "" H 5850 3250 50  0001 C CNN
F 3 "" H 5850 3250 50  0001 C CNN
	1    5850 3250
	1    0    0    -1  
$EndComp
Wire Wire Line
	5850 3250 5850 3150
Wire Wire Line
	5750 3050 5750 3150
Wire Wire Line
	5750 3150 5850 3150
Connection ~ 5850 3150
Wire Wire Line
	5850 3150 5850 3050
Wire Wire Line
	5650 3050 5650 3150
Wire Wire Line
	5650 3150 5750 3150
Connection ~ 5750 3150
Wire Wire Line
	5450 3050 5450 3150
Wire Wire Line
	5450 3150 5650 3150
Connection ~ 5650 3150
Text Label 5750 1000 0    50   ~ 0
VUSB
Wire Wire Line
	5750 1000 5750 1050
Text Label 2100 4400 0    50   ~ 0
VUSB
Wire Wire Line
	2100 4400 2100 4600
Wire Wire Line
	2000 4600 2000 4400
Wire Wire Line
	2000 4400 2100 4400
NoConn ~ 9350 3100
NoConn ~ 9350 3200
NoConn ~ 6450 2550
NoConn ~ 6450 2650
NoConn ~ 6450 2750
Text Label 2700 6600 0    50   ~ 0
ATMEGA_RXD
Text Label 2700 6700 0    50   ~ 0
ATMEGA_TXD
Text Label 2700 6400 0    50   ~ 0
ATMEGA_RSTN
Text Label 2700 5200 0    50   ~ 0
ATMEGA_SCK
Text Label 2700 5300 0    50   ~ 0
ATMEGA_MISO
Text Label 2700 5400 0    50   ~ 0
ATMEGA_MOSI
Text Label 2700 5500 0    50   ~ 0
ATMEGA_XTAL1
Text Label 2700 5600 0    50   ~ 0
ATMEGA_XTAL2
Wire Wire Line
	2700 6700 2600 6700
Wire Wire Line
	2600 6600 2700 6600
Wire Wire Line
	2700 6400 2600 6400
Text Label 1150 6800 3    50   ~ 0
ATMEGA_RSTN
$Comp
L Device:R_Small R101
U 1 1 6049B3AE
P 1150 6600
F 0 "R101" H 1180 6620 50  0000 L CNN
F 1 "100kR" H 1180 6560 50  0000 L CNN
F 2 "" H 1150 6600 50  0001 C CNN
F 3 "~" H 1150 6600 50  0001 C CNN
	1    1150 6600
	1    0    0    -1  
$EndComp
Wire Wire Line
	1150 6700 1150 6800
Text Label 1150 6400 0    50   ~ 0
VUSB
Wire Wire Line
	1150 6400 1150 6500
Text Label 3250 8600 2    50   ~ 0
ATMEGA_XTAL1
Text Label 3550 8600 0    50   ~ 0
ATMEGA_XTAL2
Text Label 6550 1350 0    50   ~ 0
ATMEGA_RXD
Text Label 6550 1450 0    50   ~ 0
ATMEGA_TXD
Wire Wire Line
	3300 4900 2600 4900
Wire Wire Line
	2600 5000 3300 5000
Wire Wire Line
	3300 5100 2600 5100
Wire Wire Line
	3300 5200 2600 5200
Wire Wire Line
	2600 5300 3300 5300
Wire Wire Line
	3300 5400 2600 5400
Wire Wire Line
	3300 5800 2600 5800
Wire Wire Line
	2600 5900 3300 5900
Wire Wire Line
	3300 6000 2600 6000
Wire Wire Line
	3300 6800 2600 6800
Wire Wire Line
	2600 6900 3300 6900
Wire Wire Line
	3300 7000 2600 7000
Wire Wire Line
	3300 7100 2600 7100
Wire Wire Line
	2600 7200 3300 7200
Wire Wire Line
	3300 7300 2600 7300
Wire Wire Line
	3300 6100 2600 6100
Wire Wire Line
	3300 6300 2600 6300
Wire Wire Line
	2700 5500 2600 5500
Wire Wire Line
	2600 5600 2700 5600
Text Label 1400 8800 2    50   ~ 0
ATMEGA_SCK
Text Label 1400 8900 2    50   ~ 0
ATMEGA_MISO
Text Label 2100 8800 0    50   ~ 0
ATMEGA_MOSI
Text Label 2100 8700 0    50   ~ 0
ATMEGA_RSTN
NoConn ~ 2600 6200
NoConn ~ 1400 5100
NoConn ~ 1400 5200
$Comp
L Connector_Generic:Conn_02x03_Odd_Even J102
U 1 1 6066419A
P 1700 8800
F 0 "J102" H 1750 9000 50  0000 C CNN
F 1 "Conn_02x03_Odd_Even" H 1750 8600 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_2x03_P2.54mm_Vertical" H 1700 8800 50  0001 C CNN
F 3 "~" H 1700 8800 50  0001 C CNN
F 4 "NoPart" H 1700 8800 50  0001 C CNN "Digikey"
	1    1700 8800
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0105
U 1 1 606658F6
P 1400 8700
F 0 "#PWR0105" H 1400 8450 50  0001 C CNN
F 1 "GND" H 1400 8550 50  0000 C CNN
F 2 "" H 1400 8700 50  0001 C CNN
F 3 "" H 1400 8700 50  0001 C CNN
	1    1400 8700
	0    1    1    0   
$EndComp
Wire Wire Line
	1400 8700 1500 8700
Wire Wire Line
	1400 8800 1500 8800
Wire Wire Line
	1500 8900 1400 8900
Wire Wire Line
	2100 8700 2000 8700
Wire Wire Line
	2000 8800 2100 8800
NoConn ~ 4850 2250
NoConn ~ 4850 2450
NoConn ~ 4850 2750
NoConn ~ 6450 1550
NoConn ~ 6450 1650
NoConn ~ 6450 1750
NoConn ~ 6450 1850
NoConn ~ 6450 1950
Wire Wire Line
	5550 1050 5550 1000
Wire Wire Line
	5550 1000 5750 1000
$Comp
L Device:C_Small C103
U 1 1 607B5C7B
P 4650 1350
F 0 "C103" H 4660 1420 50  0000 L CNN
F 1 "0.1 uF" H 4660 1270 50  0000 L CNN
F 2 "" H 4650 1350 50  0001 C CNN
F 3 "~" H 4650 1350 50  0001 C CNN
	1    4650 1350
	0    1    1    0   
$EndComp
$Comp
L power:GND #PWR0108
U 1 1 607E322A
P 4450 1350
F 0 "#PWR0108" H 4450 1100 50  0001 C CNN
F 1 "GND" H 4450 1200 50  0000 C CNN
F 2 "" H 4450 1350 50  0001 C CNN
F 3 "" H 4450 1350 50  0001 C CNN
	1    4450 1350
	0    1    1    0   
$EndComp
Wire Wire Line
	4450 1350 4550 1350
Wire Wire Line
	4750 1350 4850 1350
Wire Wire Line
	1100 1150 1350 1150
Wire Wire Line
	1100 1250 1350 1250
Text Label 4750 2050 2    50   ~ 0
VUSB
Wire Wire Line
	4750 2050 4850 2050
Wire Wire Line
	6550 1350 6450 1350
Wire Wire Line
	6450 1450 6550 1450
$Comp
L Device:C_Small C102
U 1 1 60874944
P 6850 800
F 0 "C102" H 6860 870 50  0000 L CNN
F 1 "0.1 uF" H 6860 720 50  0000 L CNN
F 2 "" H 6850 800 50  0001 C CNN
F 3 "~" H 6850 800 50  0001 C CNN
	1    6850 800 
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C101
U 1 1 60874DB7
P 6550 800
F 0 "C101" H 6560 870 50  0000 L CNN
F 1 "4.7 uF" H 6560 720 50  0000 L CNN
F 2 "" H 6550 800 50  0001 C CNN
F 3 "~" H 6550 800 50  0001 C CNN
	1    6550 800 
	1    0    0    -1  
$EndComp
Wire Wire Line
	6850 700  6850 650 
Wire Wire Line
	6550 700  6550 650 
Wire Wire Line
	6550 650  6850 650 
Text Label 6550 650  0    50   ~ 0
VUSB
$Comp
L power:GND #PWR0103
U 1 1 608B83FD
P 6850 950
F 0 "#PWR0103" H 6850 700 50  0001 C CNN
F 1 "GND" H 6850 800 50  0000 C CNN
F 2 "" H 6850 950 50  0001 C CNN
F 3 "" H 6850 950 50  0001 C CNN
	1    6850 950 
	1    0    0    -1  
$EndComp
Wire Wire Line
	6850 950  6850 900 
$Comp
L power:GND #PWR0101
U 1 1 608CED6B
P 6550 950
F 0 "#PWR0101" H 6550 700 50  0001 C CNN
F 1 "GND" H 6550 800 50  0000 C CNN
F 2 "" H 6550 950 50  0001 C CNN
F 3 "" H 6550 950 50  0001 C CNN
	1    6550 950 
	1    0    0    -1  
$EndComp
Wire Wire Line
	6550 950  6550 900 
$Comp
L Device:LED_Small D102
U 1 1 6091899B
P 6850 2350
F 0 "D102" H 6800 2475 50  0000 L CNN
F 1 "LED_Small" H 6675 2250 50  0000 L CNN
F 2 "" V 6850 2350 50  0001 C CNN
F 3 "~" V 6850 2350 50  0001 C CNN
	1    6850 2350
	1    0    0    -1  
$EndComp
$Comp
L Device:LED_Small D103
U 1 1 60919040
P 6850 2650
F 0 "D103" H 6800 2775 50  0000 L CNN
F 1 "LED_Small" H 6675 2550 50  0000 L CNN
F 2 "" V 6850 2650 50  0001 C CNN
F 3 "~" V 6850 2650 50  0001 C CNN
	1    6850 2650
	1    0    0    -1  
$EndComp
Wire Wire Line
	6750 2650 6550 2650
Wire Wire Line
	6550 2650 6550 2450
Wire Wire Line
	6550 2450 6450 2450
Wire Wire Line
	6450 2350 6750 2350
$Comp
L Device:R_Small R103
U 1 1 609477B5
P 7150 2350
F 0 "R103" H 7180 2370 50  0000 L CNN
F 1 "1kR" H 7180 2310 50  0000 L CNN
F 2 "" H 7150 2350 50  0001 C CNN
F 3 "~" H 7150 2350 50  0001 C CNN
	1    7150 2350
	0    -1   -1   0   
$EndComp
$Comp
L Device:R_Small R104
U 1 1 60947C20
P 7150 2650
F 0 "R104" H 7180 2670 50  0000 L CNN
F 1 "1kR" H 7180 2610 50  0000 L CNN
F 2 "" H 7150 2650 50  0001 C CNN
F 3 "~" H 7150 2650 50  0001 C CNN
	1    7150 2650
	0    -1   -1   0   
$EndComp
Wire Wire Line
	7250 2650 7350 2650
Wire Wire Line
	7350 2650 7350 2350
Wire Wire Line
	7350 2350 7250 2350
Wire Wire Line
	7050 2350 6950 2350
Wire Wire Line
	6950 2650 7050 2650
Text Label 7350 2350 0    50   ~ 0
VUSB
$Comp
L Device:LED_Small D101
U 1 1 6098EE84
P 1200 1600
F 0 "D101" H 1150 1725 50  0000 L CNN
F 1 "LED_Small" H 1025 1500 50  0000 L CNN
F 2 "" V 1200 1600 50  0001 C CNN
F 3 "~" V 1200 1600 50  0001 C CNN
	1    1200 1600
	0    -1   -1   0   
$EndComp
Wire Wire Line
	1200 1500 1200 950 
$Comp
L Device:R_Small R102
U 1 1 609A80FF
P 1200 1850
F 0 "R102" H 1230 1870 50  0000 L CNN
F 1 "1kR" H 1230 1810 50  0000 L CNN
F 2 "" H 1200 1850 50  0001 C CNN
F 3 "~" H 1200 1850 50  0001 C CNN
	1    1200 1850
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0104
U 1 1 609A8C94
P 1200 2000
F 0 "#PWR0104" H 1200 1750 50  0001 C CNN
F 1 "GND" H 1200 1850 50  0000 C CNN
F 2 "" H 1200 2000 50  0001 C CNN
F 3 "" H 1200 2000 50  0001 C CNN
	1    1200 2000
	1    0    0    -1  
$EndComp
Wire Wire Line
	1200 2000 1200 1950
Wire Wire Line
	1200 1700 1200 1750
NoConn ~ 1100 1350
NoConn ~ 6450 2050
NoConn ~ 2000 8900
Connection ~ 14550 6000
Connection ~ 12800 2400
Wire Wire Line
	12700 2400 12800 2400
Wire Wire Line
	12800 2400 13250 2400
Connection ~ 12950 2700
Wire Wire Line
	12700 2700 12950 2700
Wire Wire Line
	12950 2700 13250 2700
Wire Wire Line
	12700 1750 13250 1750
Text Notes 3100 4250 0    50   ~ 0
pin renames:\nPB5 - D13\nPB4 - D12\nPB3 - D11\nPB2 - D10\nPB1 - D9\nPB0 - D8\nPD7 - D7\nPD6 - D6\nPD5 - D5\nPD4 - D4\nPD3 - D3\nPD2 - D2\nPD1 - D1\nPD0 - D0\nPC5 - A5\nPC4 - A4\nPC3 - A3\nPC2 - A2\nPC1 - A1\nPC0 - A0\n
Text Notes 3650 4000 0    50   ~ 0
pin mapping:\nD13 spindle dir\nD12 z limit\nD11 spindle pwm\nD10 y limit\nD9 x limit\nD8 stepper enable\nD7 z dir\nD6 y dir\nD5 x dir\nD4 z step\nD3 y step\nD2 x step\nA0 reset/abort\nA1 feed hold\nA2 cycle start/restart\nA3 coolant enable\nA5 probe
Text Label 3300 6300 0    50   ~ 0
ATMEGA_PROBE
Text Label 3300 6100 0    50   ~ 0
ATMEGA_COOLANT_EN
Text Label 3300 6000 0    50   ~ 0
ATMEGA_CYCLE_START
Text Label 3300 5900 0    50   ~ 0
ATMEGA_FEED_HOLD
Text Label 3300 5800 0    50   ~ 0
ATMEGA_GRBL_RST
Text Label 3300 5000 0    50   ~ 0
ATMEGA_XLIMIT
Text Label 3300 5100 0    50   ~ 0
ATMEGA_YLIMIT
Text Label 3300 5200 0    50   ~ 0
ATMEGA_SPINDLE_PWM
Text Label 3300 5300 0    50   ~ 0
ATMEGA_ZLIMIT
Text Label 3300 5400 0    50   ~ 0
ATMEGA_SPINDLE_DIR
NoConn ~ 10550 3800
$Comp
L MCU_Microchip_ATtiny:ATtiny404-SS U105
U 1 1 602AA356
P 9950 3500
F 0 "U105" H 9450 4150 50  0000 L BNN
F 1 "ATtiny404-SS" H 10050 2850 50  0000 L TNN
F 2 "Package_SO:SOIC-14_3.9x8.7mm_P1.27mm" H 9950 3500 50  0001 C CIN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/50002687A.pdf" H 9950 3500 50  0001 C CNN
F 4 "ATTINY404-SSN-ND" H 9950 3500 50  0001 C CNN "Digikey"
	1    9950 3500
	1    0    0    -1  
$EndComp
Wire Wire Line
	9950 4300 9950 4200
$Comp
L power:GND1 #PWR0116
U 1 1 6018CDA1
P 9950 4300
F 0 "#PWR0116" H 9950 4050 50  0001 C CNN
F 1 "GND1" H 9950 4150 50  0000 C CNN
F 2 "" H 9950 4300 50  0001 C CNN
F 3 "" H 9950 4300 50  0001 C CNN
	1    9950 4300
	1    0    0    -1  
$EndComp
Text Label 3300 4900 0    50   ~ 0
ATMEGA_STEP_nEN
Text Notes 11450 5100 0    50   ~ 0
Maybe use to trigger initializing MCU
Wire Wire Line
	10700 5100 10600 5100
$Comp
L power:GND1 #PWR0114
U 1 1 60134655
P 9250 6050
F 0 "#PWR0114" H 9250 5800 50  0001 C CNN
F 1 "GND1" H 9250 5900 50  0000 C CNN
F 2 "" H 9250 6050 50  0001 C CNN
F 3 "" H 9250 6050 50  0001 C CNN
	1    9250 6050
	0    1    1    0   
$EndComp
$Comp
L Device:C_Small C108
U 1 1 6013464F
P 9450 6050
F 0 "C108" H 9460 6120 50  0000 L CNN
F 1 "0.1 uF" H 9460 5970 50  0000 L CNN
F 2 "" H 9450 6050 50  0001 C CNN
F 3 "~" H 9450 6050 50  0001 C CNN
	1    9450 6050
	0    1    -1   0   
$EndComp
Text Label 9600 6050 0    50   ~ 0
VUSB
Wire Wire Line
	9300 4800 9400 4800
$Comp
L power:GND1 #PWR0115
U 1 1 60125D99
P 9300 4800
F 0 "#PWR0115" H 9300 4550 50  0001 C CNN
F 1 "GND1" H 9300 4650 50  0000 C CNN
F 2 "" H 9300 4800 50  0001 C CNN
F 3 "" H 9300 4800 50  0001 C CNN
	1    9300 4800
	0    1    1    0   
$EndComp
$Comp
L Device:C_Small C109
U 1 1 60125D93
P 9500 4800
F 0 "C109" H 9510 4870 50  0000 L CNN
F 1 "0.1 uF" H 9510 4720 50  0000 L CNN
F 2 "" H 9500 4800 50  0001 C CNN
F 3 "~" H 9500 4800 50  0001 C CNN
	1    9500 4800
	0    1    1    0   
$EndComp
Text Label 9600 4800 0    50   ~ 0
VUSB
Wire Wire Line
	10700 4800 11000 4800
Connection ~ 10700 4800
Wire Wire Line
	10700 4900 10700 4800
Wire Wire Line
	10600 4900 10700 4900
Wire Wire Line
	9700 5600 9800 5600
Wire Wire Line
	9700 5700 9700 5600
$Comp
L power:GND #PWR0117
U 1 1 600FED99
P 9700 5700
F 0 "#PWR0117" H 9700 5450 50  0001 C CNN
F 1 "GND" H 9700 5550 50  0000 C CNN
F 2 "" H 9700 5700 50  0001 C CNN
F 3 "" H 9700 5700 50  0001 C CNN
	1    9700 5700
	1    0    0    -1  
$EndComp
$Comp
L power:GND1 #PWR0127
U 1 1 600F333A
P 11300 6050
F 0 "#PWR0127" H 11300 5800 50  0001 C CNN
F 1 "GND1" H 11300 5900 50  0000 C CNN
F 2 "" H 11300 6050 50  0001 C CNN
F 3 "" H 11300 6050 50  0001 C CNN
	1    11300 6050
	0    -1   -1   0   
$EndComp
Wire Wire Line
	11300 4800 11200 4800
$Comp
L power:GND1 #PWR0126
U 1 1 600EDA2F
P 11300 4800
F 0 "#PWR0126" H 11300 4550 50  0001 C CNN
F 1 "GND1" H 11300 4650 50  0000 C CNN
F 2 "" H 11300 4800 50  0001 C CNN
F 3 "" H 11300 4800 50  0001 C CNN
	1    11300 4800
	0    -1   -1   0   
$EndComp
Wire Wire Line
	10600 4800 10700 4800
$Comp
L Device:C_Small C114
U 1 1 600E27FA
P 11100 6050
F 0 "C114" H 11110 6120 50  0000 L CNN
F 1 "0.1 uF" H 11110 5970 50  0000 L CNN
F 2 "" H 11100 6050 50  0001 C CNN
F 3 "~" H 11100 6050 50  0001 C CNN
	1    11100 6050
	0    -1   -1   0   
$EndComp
$Comp
L Device:C_Small C113
U 1 1 600E2408
P 11100 4800
F 0 "C113" H 11110 4870 50  0000 L CNN
F 1 "0.1 uF" H 11110 4720 50  0000 L CNN
F 2 "" H 11100 4800 50  0001 C CNN
F 3 "~" H 11100 4800 50  0001 C CNN
	1    11100 4800
	0    -1   -1   0   
$EndComp
Text Label 10700 6050 0    50   ~ 0
VCCIO
Text Label 10700 4800 0    50   ~ 0
VCCIO
Wire Wire Line
	9700 5400 9800 5400
Wire Wire Line
	9800 5300 9700 5300
Wire Wire Line
	9700 5200 9800 5200
Text Label 9700 5400 2    50   ~ 0
ATMEGA_XDIR
Text Label 9700 5300 2    50   ~ 0
ATMEGA_XSTEP
Text Label 9700 5200 2    50   ~ 0
ATMEGA_STEP_nEN
$Comp
L Isolator:Si8640BA-B-IU U107
U 1 1 6007AAAB
P 10200 6450
F 0 "U107" H 10200 7075 50  0000 C CNN
F 1 "Si8640BA-B-IU" H 10200 7000 50  0000 C CNN
F 2 "Package_SO:QSOP-16_3.9x4.9mm_P0.635mm" H 10200 5900 50  0001 C CIN
F 3 "https://www.silabs.com/documents/public/data-sheets/si864x-datasheet.pdf" H 10200 6850 50  0001 C CNN
	1    10200 6450
	1    0    0    -1  
$EndComp
Wire Wire Line
	10600 5200 10700 5200
Wire Wire Line
	10700 5300 10600 5300
Wire Wire Line
	10600 5400 10700 5400
Wire Wire Line
	10700 5600 10600 5600
Wire Wire Line
	10700 5700 10700 5600
$Comp
L power:GND1 #PWR0122
U 1 1 6008DE52
P 10700 5700
F 0 "#PWR0122" H 10700 5450 50  0001 C CNN
F 1 "GND1" H 10700 5550 50  0000 C CNN
F 2 "" H 10700 5700 50  0001 C CNN
F 3 "" H 10700 5700 50  0001 C CNN
	1    10700 5700
	1    0    0    -1  
$EndComp
$Comp
L Isolator:Si8640BA-B-IU U106
U 1 1 6007CBA4
P 10200 5200
F 0 "U106" H 10200 5825 50  0000 C CNN
F 1 "Si8640BA-B-IU" H 10200 5750 50  0000 C CNN
F 2 "Package_SO:QSOP-16_3.9x4.9mm_P0.635mm" H 10200 4650 50  0001 C CIN
F 3 "https://www.silabs.com/documents/public/data-sheets/si864x-datasheet.pdf" H 10200 5600 50  0001 C CNN
F 4 "336-4377-ND" H 10200 5200 50  0001 C CNN "Digikey"
	1    10200 5200
	1    0    0    -1  
$EndComp
Connection ~ 14450 5800
Wire Wire Line
	14450 5800 14450 6400
Connection ~ 14350 5600
Wire Wire Line
	14350 5600 14350 6300
Wire Wire Line
	14550 5500 14650 5500
Wire Wire Line
	14550 6000 14550 5500
Wire Wire Line
	14450 5400 14650 5400
Wire Wire Line
	14450 5800 14450 5400
Wire Wire Line
	14150 5800 14450 5800
Wire Wire Line
	14350 5300 14650 5300
Wire Wire Line
	14350 5600 14350 5300
Wire Wire Line
	14150 5600 14350 5600
Connection ~ 14250 5400
Wire Wire Line
	14250 5400 14250 6200
Wire Wire Line
	14250 5200 14650 5200
Wire Wire Line
	14250 5400 14250 5200
Wire Wire Line
	14150 5400 14250 5400
$Comp
L Connector_Generic:Conn_01x04 J108
U 1 1 6000FCD4
P 14850 5300
F 0 "J108" H 14850 5500 50  0000 C CNN
F 1 "JST SH" H 14850 5000 50  0000 C CNN
F 2 "" H 14850 5300 50  0001 C CNN
F 3 "~" H 14850 5300 50  0001 C CNN
	1    14850 5300
	1    0    0    -1  
$EndComp
Connection ~ 14550 4200
Wire Wire Line
	14550 4700 14650 4700
Wire Wire Line
	14550 4200 14550 4700
Connection ~ 14450 4000
Wire Wire Line
	14450 4600 14650 4600
Wire Wire Line
	14450 4000 14450 4600
Connection ~ 14350 3800
Wire Wire Line
	14350 4500 14650 4500
Wire Wire Line
	14350 3800 14350 4500
Wire Wire Line
	14550 3700 14650 3700
Wire Wire Line
	14550 4200 14550 3700
Wire Wire Line
	14150 4200 14550 4200
Wire Wire Line
	14450 3600 14650 3600
Wire Wire Line
	14450 4000 14450 3600
Wire Wire Line
	14150 4000 14450 4000
Wire Wire Line
	14350 3500 14650 3500
Wire Wire Line
	14350 3800 14350 3500
Wire Wire Line
	14150 3800 14350 3800
Connection ~ 14250 3600
Wire Wire Line
	14250 4400 14650 4400
Wire Wire Line
	14250 3600 14250 4400
Wire Wire Line
	14250 3600 14250 3400
Wire Wire Line
	14150 3600 14250 3600
$Comp
L Connector_Generic:Conn_01x04 J107
U 1 1 6000E02E
P 14850 4500
F 0 "J107" H 14850 4700 50  0000 C CNN
F 1 "Screw Terminals" H 14850 4200 50  0000 C CNN
F 2 "" H 14850 4500 50  0001 C CNN
F 3 "~" H 14850 4500 50  0001 C CNN
	1    14850 4500
	1    0    0    -1  
$EndComp
$Comp
L Connector_Generic:Conn_01x04 J106
U 1 1 6000E028
P 14850 3500
F 0 "J106" H 14850 3700 50  0000 C CNN
F 1 "JST SH" H 14850 3200 50  0000 C CNN
F 2 "" H 14850 3500 50  0001 C CNN
F 3 "~" H 14850 3500 50  0001 C CNN
	1    14850 3500
	1    0    0    -1  
$EndComp
Wire Wire Line
	12700 5300 13250 5300
Wire Wire Line
	12700 5500 13250 5500
Text Label 12700 5500 2    50   ~ 0
VCCIO
Text Label 12700 5300 2    50   ~ 0
VM
Wire Wire Line
	12700 3500 13250 3500
Wire Wire Line
	12700 3700 13250 3700
Text Label 12700 3700 2    50   ~ 0
VCCIO
Text Label 12700 3500 2    50   ~ 0
VM
Text Label 10700 5400 0    50   ~ 0
X_DIR
Text Label 10700 5300 0    50   ~ 0
X_STEP
Text Label 10700 5200 0    50   ~ 0
STEPPERS_nEN
Wire Wire Line
	12650 3950 13250 3950
Wire Wire Line
	12650 4050 13250 4050
Wire Wire Line
	13250 5750 12700 5750
Wire Wire Line
	12700 5850 13250 5850
Text Label 12700 5850 2    50   ~ 0
Z_DIR
Text Label 12700 5750 2    50   ~ 0
Z_STEP
Text Label 12650 3950 2    50   ~ 0
Y_STEP
Text Label 12650 4050 2    50   ~ 0
Y_DIR
Text Label 12650 4350 2    50   ~ 0
Y_CSN
Wire Wire Line
	12650 4350 13250 4350
Connection ~ 12800 4150
Wire Wire Line
	12800 4150 12800 2400
Wire Wire Line
	12800 4150 13250 4150
Wire Wire Line
	12800 5950 12800 4150
Wire Wire Line
	13250 5950 12800 5950
Connection ~ 12950 4450
Wire Wire Line
	12950 4450 12950 2700
Wire Wire Line
	12950 4450 13250 4450
Wire Wire Line
	12950 6250 12950 4450
Wire Wire Line
	13000 4650 13000 6350
Wire Wire Line
	13250 4650 13000 4650
Wire Wire Line
	13000 4550 13250 4550
Wire Wire Line
	13000 2900 13000 4550
$Sheet
S 13250 5100 900  1500
U 5FFE8631
F0 "Z" 50
F1 "stepper-driver.sch" 50
F2 "VM" I L 13250 5300 50 
F3 "STEP" I L 13250 5750 50 
F4 "DIR" I L 13250 5850 50 
F5 "VCC_IO" I L 13250 5500 50 
F6 "A+" I R 14150 5400 50 
F7 "A-" I R 14150 5600 50 
F8 "B+" I R 14150 5800 50 
F9 "B-" I R 14150 6000 50 
F10 "nEN" I L 13250 5950 50 
F11 "CSN" I L 13250 6150 50 
F12 "SCK" I L 13250 6250 50 
F13 "SDI" I L 13250 6350 50 
F14 "SDO" I L 13250 6450 50 
$EndSheet
$Sheet
S 13250 3300 900  1500
U 5FFE73A4
F0 "Y" 50
F1 "stepper-driver.sch" 50
F2 "VM" I L 13250 3500 50 
F3 "STEP" I L 13250 3950 50 
F4 "DIR" I L 13250 4050 50 
F5 "VCC_IO" I L 13250 3700 50 
F6 "A+" I R 14150 3600 50 
F7 "A-" I R 14150 3800 50 
F8 "B+" I R 14150 4000 50 
F9 "B-" I R 14150 4200 50 
F10 "nEN" I L 13250 4150 50 
F11 "CSN" I L 13250 4350 50 
F12 "SCK" I L 13250 4450 50 
F13 "SDI" I L 13250 4550 50 
F14 "SDO" I L 13250 4650 50 
$EndSheet
Text Label 7500 5900 0    50   ~ 0
ATMEGA_PROBE
Text Label 5750 5900 0    50   ~ 0
ATMEGA_CYCLE_START
Text Label 7500 5050 0    50   ~ 0
ATMEGA_FEED_HOLD
Text Label 5750 5050 0    50   ~ 0
ATMEGA_GRBL_RST
$Comp
L Device:C_Small C105
U 1 1 60A68320
P 1350 4100
F 0 "C105" H 1360 4170 50  0000 L CNN
F 1 "0.1 uF" H 1360 4020 50  0000 L CNN
F 2 "" H 1350 4100 50  0001 C CNN
F 3 "~" H 1350 4100 50  0001 C CNN
	1    1350 4100
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C106
U 1 1 60A68A98
P 1650 4100
F 0 "C106" H 1660 4170 50  0000 L CNN
F 1 "0.1 uF" H 1660 4020 50  0000 L CNN
F 2 "" H 1650 4100 50  0001 C CNN
F 3 "~" H 1650 4100 50  0001 C CNN
	1    1650 4100
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C104
U 1 1 60A68F3D
P 1050 4100
F 0 "C104" H 1060 4170 50  0000 L CNN
F 1 "4.7 uF" H 1060 4020 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 1050 4100 50  0001 C CNN
F 3 "~" H 1050 4100 50  0001 C CNN
F 4 "1276-1044-1-ND" H 1050 4100 50  0001 C CNN "Digikey"
	1    1050 4100
	1    0    0    -1  
$EndComp
Wire Wire Line
	1050 3950 1050 4000
Wire Wire Line
	1350 3950 1350 4000
Wire Wire Line
	1650 3950 1650 4000
$Comp
L power:GND #PWR0109
U 1 1 60AA9735
P 1050 4250
F 0 "#PWR0109" H 1050 4000 50  0001 C CNN
F 1 "GND" H 1050 4100 50  0000 C CNN
F 2 "" H 1050 4250 50  0001 C CNN
F 3 "" H 1050 4250 50  0001 C CNN
	1    1050 4250
	1    0    0    -1  
$EndComp
Wire Wire Line
	1050 4250 1050 4200
$Comp
L power:GND #PWR0110
U 1 1 60AD4D27
P 1350 4250
F 0 "#PWR0110" H 1350 4000 50  0001 C CNN
F 1 "GND" H 1350 4100 50  0000 C CNN
F 2 "" H 1350 4250 50  0001 C CNN
F 3 "" H 1350 4250 50  0001 C CNN
	1    1350 4250
	1    0    0    -1  
$EndComp
Wire Wire Line
	1350 4200 1350 4250
$Comp
L power:GND #PWR0112
U 1 1 60B054CC
P 1650 4250
F 0 "#PWR0112" H 1650 4000 50  0001 C CNN
F 1 "GND" H 1650 4100 50  0000 C CNN
F 2 "" H 1650 4250 50  0001 C CNN
F 3 "" H 1650 4250 50  0001 C CNN
	1    1650 4250
	1    0    0    -1  
$EndComp
Wire Wire Line
	1650 4250 1650 4200
Wire Wire Line
	1650 3950 1350 3950
Connection ~ 1350 3950
Wire Wire Line
	1350 3950 1050 3950
Text Label 1050 3950 0    50   ~ 0
VUSB
$Comp
L Power_Protection:USBLC6-2SC6 U102
U 1 1 60B628E2
P 2750 1300
F 0 "U102" H 2850 1650 50  0000 L CNN
F 1 "USBLC6-2SC6" H 2850 950 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23-6" H 2750 800 50  0001 C CNN
F 3 "https://www.st.com/resource/en/datasheet/usblc6-2.pdf" H 2950 1650 50  0001 C CNN
F 4 "497-5235-1-ND" H 2750 1300 50  0001 C CNN "Digikey"
	1    2750 1300
	1    0    0    -1  
$EndComp
Text Label 4800 1650 2    50   ~ 0
USBD_P_F
Wire Wire Line
	4800 1650 4850 1650
Text Label 4800 1750 2    50   ~ 0
USBD_M_F
Wire Wire Line
	4800 1750 4850 1750
Text Label 1350 1150 0    50   ~ 0
USBD_P
Text Label 1350 1250 0    50   ~ 0
USBD_M
Text Label 2300 1400 2    50   ~ 0
USBD_P_F
Text Label 3200 1400 0    50   ~ 0
USBD_M_F
Text Label 2300 1200 2    50   ~ 0
USBD_P
Text Label 3200 1200 0    50   ~ 0
USBD_M
Wire Wire Line
	2300 1400 2350 1400
Wire Wire Line
	2350 1200 2300 1200
Wire Wire Line
	3200 1400 3150 1400
Wire Wire Line
	3150 1200 3200 1200
$Comp
L power:GND #PWR0107
U 1 1 60CA48CC
P 2750 1750
F 0 "#PWR0107" H 2750 1500 50  0001 C CNN
F 1 "GND" H 2750 1600 50  0000 C CNN
F 2 "" H 2750 1750 50  0001 C CNN
F 3 "" H 2750 1750 50  0001 C CNN
	1    2750 1750
	1    0    0    -1  
$EndComp
Wire Wire Line
	2750 1750 2750 1700
Wire Wire Line
	2750 850  2750 900 
Text Label 2750 850  2    50   ~ 0
VUSB
$Comp
L Device:LED_Small D104
U 1 1 60D209AE
P 14300 1100
F 0 "D104" H 14250 1225 50  0000 L CNN
F 1 "LED_Small" H 14125 1000 50  0000 L CNN
F 2 "" V 14300 1100 50  0001 C CNN
F 3 "~" V 14300 1100 50  0001 C CNN
	1    14300 1100
	-1   0    0    1   
$EndComp
$Comp
L Device:R_Small R106
U 1 1 60D2322B
P 13950 1100
F 0 "R106" H 13980 1120 50  0000 L CNN
F 1 "10kR 0.5W" H 13980 1060 50  0000 L CNN
F 2 "" H 13950 1100 50  0001 C CNN
F 3 "~" H 13950 1100 50  0001 C CNN
	1    13950 1100
	0    1    1    0   
$EndComp
$Comp
L power:GND #PWR0129
U 1 1 60D23D12
P 14500 1100
F 0 "#PWR0129" H 14500 850 50  0001 C CNN
F 1 "GND" H 14500 950 50  0000 C CNN
F 2 "" H 14500 1100 50  0001 C CNN
F 3 "" H 14500 1100 50  0001 C CNN
	1    14500 1100
	0    -1   -1   0   
$EndComp
Wire Wire Line
	14500 1100 14400 1100
Wire Wire Line
	14200 1100 14050 1100
Wire Wire Line
	12050 1250 12100 1250
NoConn ~ 1400 4900
$Comp
L Device:C_Small C118
U 1 1 60D9DDCC
P 5350 5250
F 0 "C118" H 5360 5320 50  0000 L CNN
F 1 "0.1 uF" H 5360 5170 50  0000 L CNN
F 2 "" H 5350 5250 50  0001 C CNN
F 3 "~" H 5350 5250 50  0001 C CNN
	1    5350 5250
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C119
U 1 1 60DB6900
P 7100 5250
F 0 "C119" H 7110 5320 50  0000 L CNN
F 1 "0.1 uF" H 7110 5170 50  0000 L CNN
F 2 "" H 7100 5250 50  0001 C CNN
F 3 "~" H 7100 5250 50  0001 C CNN
	1    7100 5250
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C120
U 1 1 60DCDD35
P 5350 6100
F 0 "C120" H 5360 6170 50  0000 L CNN
F 1 "0.1 uF" H 5360 6020 50  0000 L CNN
F 2 "" H 5350 6100 50  0001 C CNN
F 3 "~" H 5350 6100 50  0001 C CNN
	1    5350 6100
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0134
U 1 1 60DE4F38
P 5350 5400
F 0 "#PWR0134" H 5350 5150 50  0001 C CNN
F 1 "GND" H 5350 5250 50  0000 C CNN
F 2 "" H 5350 5400 50  0001 C CNN
F 3 "" H 5350 5400 50  0001 C CNN
	1    5350 5400
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0135
U 1 1 60DFE6BD
P 7100 5400
F 0 "#PWR0135" H 7100 5150 50  0001 C CNN
F 1 "GND" H 7100 5250 50  0000 C CNN
F 2 "" H 7100 5400 50  0001 C CNN
F 3 "" H 7100 5400 50  0001 C CNN
	1    7100 5400
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0136
U 1 1 60DFEAF9
P 5350 6250
F 0 "#PWR0136" H 5350 6000 50  0001 C CNN
F 1 "GND" H 5350 6100 50  0000 C CNN
F 2 "" H 5350 6250 50  0001 C CNN
F 3 "" H 5350 6250 50  0001 C CNN
	1    5350 6250
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C121
U 1 1 60DFFA41
P 7100 6100
F 0 "C121" H 7110 6170 50  0000 L CNN
F 1 "0.1 uF" H 7110 6020 50  0000 L CNN
F 2 "" H 7100 6100 50  0001 C CNN
F 3 "~" H 7100 6100 50  0001 C CNN
	1    7100 6100
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0137
U 1 1 60E161F4
P 7100 6250
F 0 "#PWR0137" H 7100 6000 50  0001 C CNN
F 1 "GND" H 7100 6100 50  0000 C CNN
F 2 "" H 7100 6250 50  0001 C CNN
F 3 "" H 7100 6250 50  0001 C CNN
	1    7100 6250
	1    0    0    -1  
$EndComp
Text Label 5350 5050 2    50   ~ 0
GRST
Wire Wire Line
	5450 5050 5350 5050
Wire Wire Line
	5350 5050 5350 5150
Wire Wire Line
	7200 5050 7100 5050
Wire Wire Line
	7100 5050 7100 5150
Wire Wire Line
	5350 6000 5350 5900
Wire Wire Line
	5350 5900 5450 5900
Wire Wire Line
	7200 5900 7100 5900
Wire Wire Line
	7100 5900 7100 6000
Text Label 7100 5900 2    50   ~ 0
PROBE
Text Label 5350 5900 2    50   ~ 0
CYCLE_START
Text Label 7100 5050 2    50   ~ 0
FEED_HOLD
Wire Wire Line
	7100 6200 7100 6250
Wire Wire Line
	5350 6200 5350 6250
Wire Wire Line
	7100 5400 7100 5350
Wire Wire Line
	5350 5350 5350 5400
Wire Wire Line
	5750 5050 5650 5050
Wire Wire Line
	7400 5050 7500 5050
Wire Wire Line
	5750 5900 5650 5900
Wire Wire Line
	7400 5900 7500 5900
Text Label 6500 9650 0    50   ~ 0
GRST
Text Label 6500 9950 0    50   ~ 0
PROBE
Text Label 6500 9850 0    50   ~ 0
CYCLE_START
Text Label 6500 9750 0    50   ~ 0
FEED_HOLD
Text Label 6500 10050 0    50   ~ 0
COOLANT_EN
$Comp
L power:GND #PWR0138
U 1 1 610F3B2B
P 5700 9650
F 0 "#PWR0138" H 5700 9400 50  0001 C CNN
F 1 "GND" H 5700 9500 50  0000 C CNN
F 2 "" H 5700 9650 50  0001 C CNN
F 3 "" H 5700 9650 50  0001 C CNN
	1    5700 9650
	0    1    1    0   
$EndComp
Wire Wire Line
	5700 9650 5800 9650
Wire Wire Line
	5800 9650 5800 9750
Wire Wire Line
	5800 9750 5900 9750
Connection ~ 5800 9650
Wire Wire Line
	5800 9650 5900 9650
Wire Wire Line
	5800 9750 5800 9850
Wire Wire Line
	5800 9850 5900 9850
Connection ~ 5800 9750
Wire Wire Line
	5800 9850 5800 9950
Wire Wire Line
	5800 9950 5900 9950
Connection ~ 5800 9850
Wire Wire Line
	5800 9950 5800 10050
Wire Wire Line
	5800 10050 5900 10050
Connection ~ 5800 9950
Wire Wire Line
	6400 10050 6500 10050
Wire Wire Line
	6500 9950 6400 9950
Wire Wire Line
	6400 9850 6500 9850
Wire Wire Line
	6500 9750 6400 9750
Wire Wire Line
	6400 9650 6500 9650
$Comp
L Device:Crystal_GND24_Small Y101
U 1 1 612B6BCB
P 3400 8600
F 0 "Y101" H 3450 8775 50  0000 L CNN
F 1 "TSX-3225 16.0000MF18X-AC6" H 3450 8700 50  0000 L CNN
F 2 "Crystal:Crystal_SMD_SeikoEpson_TSX3225-4Pin_3.2x2.5mm_HandSoldering" H 3400 8600 50  0001 C CNN
F 3 "~" H 3400 8600 50  0001 C CNN
F 4 "SER4372CT-ND" H 3400 8600 50  0001 C CNN "Digikey"
	1    3400 8600
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0131
U 1 1 612B7C30
P 3400 8450
F 0 "#PWR0131" H 3400 8200 50  0001 C CNN
F 1 "GND" H 3400 8300 50  0000 C CNN
F 2 "" H 3400 8450 50  0001 C CNN
F 3 "" H 3400 8450 50  0001 C CNN
	1    3400 8450
	1    0    0    1   
$EndComp
Wire Wire Line
	3400 8450 3400 8500
Wire Wire Line
	3400 8750 3400 8700
$Comp
L power:GND #PWR0132
U 1 1 612F385B
P 3400 8750
F 0 "#PWR0132" H 3400 8500 50  0001 C CNN
F 1 "GND" H 3400 8600 50  0000 C CNN
F 2 "" H 3400 8750 50  0001 C CNN
F 3 "" H 3400 8750 50  0001 C CNN
	1    3400 8750
	-1   0    0    -1  
$EndComp
$Comp
L Device:C_Small C117
U 1 1 6132FA74
P 3600 8750
F 0 "C117" H 3610 8820 50  0000 L CNN
F 1 "15 pF" H 3610 8670 50  0000 L CNN
F 2 "" H 3600 8750 50  0001 C CNN
F 3 "~" H 3600 8750 50  0001 C CNN
	1    3600 8750
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C116
U 1 1 6132FE97
P 3200 8750
F 0 "C116" H 3210 8820 50  0000 L CNN
F 1 "15 pF" H 3210 8670 50  0000 L CNN
F 2 "" H 3200 8750 50  0001 C CNN
F 3 "~" H 3200 8750 50  0001 C CNN
	1    3200 8750
	-1   0    0    -1  
$EndComp
Wire Wire Line
	3200 8650 3200 8600
Wire Wire Line
	3300 8600 3200 8600
Wire Wire Line
	3600 8650 3600 8600
Wire Wire Line
	3600 8600 3500 8600
$Comp
L power:GND #PWR0133
U 1 1 6136DBF9
P 3600 8900
F 0 "#PWR0133" H 3600 8650 50  0001 C CNN
F 1 "GND" H 3600 8750 50  0000 C CNN
F 2 "" H 3600 8900 50  0001 C CNN
F 3 "" H 3600 8900 50  0001 C CNN
	1    3600 8900
	-1   0    0    -1  
$EndComp
Wire Wire Line
	3600 8900 3600 8850
$Comp
L power:GND #PWR0130
U 1 1 6138C35D
P 3200 8900
F 0 "#PWR0130" H 3200 8650 50  0001 C CNN
F 1 "GND" H 3200 8750 50  0000 C CNN
F 2 "" H 3200 8900 50  0001 C CNN
F 3 "" H 3200 8900 50  0001 C CNN
	1    3200 8900
	-1   0    0    -1  
$EndComp
Wire Wire Line
	3200 8900 3200 8850
Text Label 5750 6750 0    50   ~ 0
ATMEGA_XLIMIT
Text Label 7500 6750 0    50   ~ 0
ATMEGA_YLIMIT
$Comp
L Device:C_Small C122
U 1 1 6177FD85
P 5350 6950
F 0 "C122" H 5360 7020 50  0000 L CNN
F 1 "0.1 uF" H 5360 6870 50  0000 L CNN
F 2 "" H 5350 6950 50  0001 C CNN
F 3 "~" H 5350 6950 50  0001 C CNN
	1    5350 6950
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0139
U 1 1 6177FD8B
P 5350 7100
F 0 "#PWR0139" H 5350 6850 50  0001 C CNN
F 1 "GND" H 5350 6950 50  0000 C CNN
F 2 "" H 5350 7100 50  0001 C CNN
F 3 "" H 5350 7100 50  0001 C CNN
	1    5350 7100
	1    0    0    -1  
$EndComp
Wire Wire Line
	5350 6850 5350 6750
Wire Wire Line
	5350 6750 5450 6750
Wire Wire Line
	5350 7050 5350 7100
Wire Wire Line
	5750 6750 5650 6750
$Comp
L Device:C_Small C124
U 1 1 617A0119
P 7100 6950
F 0 "C124" H 7110 7020 50  0000 L CNN
F 1 "0.1 uF" H 7110 6870 50  0000 L CNN
F 2 "" H 7100 6950 50  0001 C CNN
F 3 "~" H 7100 6950 50  0001 C CNN
	1    7100 6950
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0141
U 1 1 617A011F
P 7100 7100
F 0 "#PWR0141" H 7100 6850 50  0001 C CNN
F 1 "GND" H 7100 6950 50  0000 C CNN
F 2 "" H 7100 7100 50  0001 C CNN
F 3 "" H 7100 7100 50  0001 C CNN
	1    7100 7100
	1    0    0    -1  
$EndComp
Wire Wire Line
	7100 6850 7100 6750
Wire Wire Line
	7100 6750 7200 6750
Wire Wire Line
	7100 7050 7100 7100
Wire Wire Line
	7500 6750 7400 6750
$Comp
L Device:C_Small C123
U 1 1 617E1223
P 5350 7750
F 0 "C123" H 5360 7820 50  0000 L CNN
F 1 "0.1 uF" H 5360 7670 50  0000 L CNN
F 2 "" H 5350 7750 50  0001 C CNN
F 3 "~" H 5350 7750 50  0001 C CNN
	1    5350 7750
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0140
U 1 1 617E1229
P 5350 7900
F 0 "#PWR0140" H 5350 7650 50  0001 C CNN
F 1 "GND" H 5350 7750 50  0000 C CNN
F 2 "" H 5350 7900 50  0001 C CNN
F 3 "" H 5350 7900 50  0001 C CNN
	1    5350 7900
	1    0    0    -1  
$EndComp
Wire Wire Line
	5350 7650 5350 7550
Wire Wire Line
	5350 7550 5450 7550
Wire Wire Line
	5350 7850 5350 7900
Wire Wire Line
	5750 7550 5650 7550
Text Label 5750 7550 0    50   ~ 0
ATMEGA_ZLIMIT
Text Label 5350 6750 2    50   ~ 0
XLIMIT
Text Label 6500 10150 0    50   ~ 0
XLIMIT
Text Label 7100 6750 2    50   ~ 0
YLIMIT
Text Label 6500 10250 0    50   ~ 0
YLIMIT
Text Label 5350 7550 2    50   ~ 0
ZLIMIT
Text Label 6500 10350 0    50   ~ 0
ZLIMIT
$Comp
L Connector_Generic:Conn_01x02 J111
U 1 1 619127E9
P 10050 7950
F 0 "J111" H 10050 8050 50  0000 C CNN
F 1 "Conn_01x02" H 10050 7750 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" H 10050 7950 50  0001 C CNN
F 3 "~" H 10050 7950 50  0001 C CNN
	1    10050 7950
	-1   0    0    -1  
$EndComp
Wire Wire Line
	10400 7950 10250 7950
Wire Wire Line
	10350 8150 10350 8050
Wire Wire Line
	10350 8050 10250 8050
Wire Wire Line
	9600 4800 9800 4800
Text Label 9700 5100 2    50   ~ 0
SPINDLE_PWM
Wire Wire Line
	9700 5100 9800 5100
Text Label 10700 5100 0    50   ~ 0
SPINDLE_PWM_ISO
Text Label 10400 7950 0    50   ~ 0
SPINDLE_PWM_ISO
$Comp
L Connector_Generic:Conn_02x08_Odd_Even J110
U 1 1 619A11F1
P 6100 9950
F 0 "J110" H 6150 10350 50  0000 C CNN
F 1 "Conn_02x08_Odd_Even" H 6150 9450 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_2x08_P2.54mm_Vertical" H 6100 9950 50  0001 C CNN
F 3 "~" H 6100 9950 50  0001 C CNN
F 4 "NoPart" H 6100 9950 50  0001 C CNN "Digikey"
	1    6100 9950
	1    0    0    -1  
$EndComp
Wire Wire Line
	5800 10050 5800 10150
Wire Wire Line
	5800 10150 5900 10150
Connection ~ 5800 10050
Wire Wire Line
	5800 10150 5800 10250
Wire Wire Line
	5800 10250 5900 10250
Connection ~ 5800 10150
Wire Wire Line
	5800 10250 5800 10350
Wire Wire Line
	5800 10350 5900 10350
Connection ~ 5800 10250
Wire Wire Line
	6400 10350 6500 10350
Wire Wire Line
	6500 10250 6400 10250
Wire Wire Line
	6400 10150 6500 10150
$Comp
L Device:R_Small R108
U 1 1 60D9CF34
P 5550 5050
F 0 "R108" H 5580 5070 50  0000 L CNN
F 1 "1kR" H 5580 5010 50  0000 L CNN
F 2 "" H 5550 5050 50  0001 C CNN
F 3 "~" H 5550 5050 50  0001 C CNN
	1    5550 5050
	0    -1   -1   0   
$EndComp
$Comp
L Device:R_Small R109
U 1 1 60DB68FA
P 7300 5050
F 0 "R109" H 7330 5070 50  0000 L CNN
F 1 "1kR" H 7330 5010 50  0000 L CNN
F 2 "" H 7300 5050 50  0001 C CNN
F 3 "~" H 7300 5050 50  0001 C CNN
	1    7300 5050
	0    -1   -1   0   
$EndComp
$Comp
L Device:R_Small R111
U 1 1 60DFFA3B
P 7300 5900
F 0 "R111" H 7330 5920 50  0000 L CNN
F 1 "1kR" H 7330 5860 50  0000 L CNN
F 2 "" H 7300 5900 50  0001 C CNN
F 3 "~" H 7300 5900 50  0001 C CNN
	1    7300 5900
	0    -1   -1   0   
$EndComp
$Comp
L Device:R_Small R110
U 1 1 60DCDD2F
P 5550 5900
F 0 "R110" H 5580 5920 50  0000 L CNN
F 1 "1kR" H 5580 5860 50  0000 L CNN
F 2 "" H 5550 5900 50  0001 C CNN
F 3 "~" H 5550 5900 50  0001 C CNN
	1    5550 5900
	0    -1   -1   0   
$EndComp
$Comp
L Device:R_Small R115
U 1 1 617A0113
P 7300 6750
F 0 "R115" H 7330 6770 50  0000 L CNN
F 1 "1kR" H 7330 6710 50  0000 L CNN
F 2 "" H 7300 6750 50  0001 C CNN
F 3 "~" H 7300 6750 50  0001 C CNN
	1    7300 6750
	0    -1   -1   0   
$EndComp
$Comp
L Device:R_Small R112
U 1 1 6177FD7F
P 5550 6750
F 0 "R112" H 5580 6770 50  0000 L CNN
F 1 "1kR" H 5580 6710 50  0000 L CNN
F 2 "" H 5550 6750 50  0001 C CNN
F 3 "~" H 5550 6750 50  0001 C CNN
	1    5550 6750
	0    -1   -1   0   
$EndComp
$Comp
L Device:R_Small R113
U 1 1 617E121D
P 5550 7550
F 0 "R113" H 5580 7570 50  0000 L CNN
F 1 "1kR" H 5580 7510 50  0000 L CNN
F 2 "" H 5550 7550 50  0001 C CNN
F 3 "~" H 5550 7550 50  0001 C CNN
	1    5550 7550
	0    -1   -1   0   
$EndComp
Text Label 6150 8800 2    50   ~ 0
ATMEGA_COOLANT_EN
$Comp
L Device:R_Small R107
U 1 1 60FF0B0A
P 6400 8800
F 0 "R107" H 6430 8820 50  0000 L CNN
F 1 "1kR" H 6430 8760 50  0000 L CNN
F 2 "" H 6400 8800 50  0001 C CNN
F 3 "~" H 6400 8800 50  0001 C CNN
	1    6400 8800
	0    1    -1   0   
$EndComp
Wire Wire Line
	6300 8800 6150 8800
Text Label 6650 8800 0    50   ~ 0
COOLANT_EN
Wire Wire Line
	6650 8800 6500 8800
Text Label 6150 8500 2    50   ~ 0
ATMEGA_SPINDLE_PWM
Text Label 6650 8500 0    50   ~ 0
SPINDLE_PWM
$Comp
L Device:R_Small R114
U 1 1 618AEC97
P 6400 8500
F 0 "R114" H 6430 8520 50  0000 L CNN
F 1 "1kR" H 6430 8460 50  0000 L CNN
F 2 "" H 6400 8500 50  0001 C CNN
F 3 "~" H 6400 8500 50  0001 C CNN
	1    6400 8500
	0    1    -1   0   
$EndComp
Wire Wire Line
	6300 8500 6150 8500
Wire Wire Line
	6650 8500 6500 8500
Text Label 11550 8150 2    50   ~ 0
SPINDLE_PWM_ISO
Wire Wire Line
	11550 8150 11750 8150
$Comp
L power:GND1 #PWR0142
U 1 1 61C36A5D
P 10350 8150
F 0 "#PWR0142" H 10350 7900 50  0001 C CNN
F 1 "GND1" H 10350 8000 50  0000 C CNN
F 2 "" H 10350 8150 50  0001 C CNN
F 3 "" H 10350 8150 50  0001 C CNN
	1    10350 8150
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R118
U 1 1 61E73CB9
P 12350 8150
F 0 "R118" H 12380 8170 50  0000 L CNN
F 1 "10kR" H 12380 8110 50  0000 L CNN
F 2 "" H 12350 8150 50  0001 C CNN
F 3 "~" H 12350 8150 50  0001 C CNN
	1    12350 8150
	0    -1   1    0   
$EndComp
$Comp
L Device:C_Small C126
U 1 1 61E75F7C
P 12550 8350
F 0 "C126" H 12560 8420 50  0000 L CNN
F 1 "0.15 uF" H 12560 8270 50  0000 L CNN
F 2 "" H 12550 8350 50  0001 C CNN
F 3 "~" H 12550 8350 50  0001 C CNN
	1    12550 8350
	1    0    0    -1  
$EndComp
Wire Wire Line
	12450 8150 12550 8150
Wire Wire Line
	12550 8250 12550 8150
Connection ~ 12550 8150
Wire Wire Line
	12550 8150 12750 8150
$Comp
L Device:R_Small R117
U 1 1 61EBEAE8
P 12350 7950
F 0 "R117" H 12380 7970 50  0000 L CNN
F 1 "100kR" H 12380 7910 50  0000 L CNN
F 2 "" H 12350 7950 50  0001 C CNN
F 3 "~" H 12350 7950 50  0001 C CNN
	1    12350 7950
	0    -1   -1   0   
$EndComp
Wire Wire Line
	12450 7950 12550 7950
Wire Wire Line
	12550 7950 12550 7500
Wire Wire Line
	12550 7500 12950 7500
Connection ~ 12550 7950
Wire Wire Line
	12550 7950 12750 7950
$Comp
L power:GND1 #PWR0146
U 1 1 61F788C2
P 12550 8550
F 0 "#PWR0146" H 12550 8300 50  0001 C CNN
F 1 "GND1" H 12550 8400 50  0000 C CNN
F 2 "" H 12550 8550 50  0001 C CNN
F 3 "" H 12550 8550 50  0001 C CNN
	1    12550 8550
	1    0    0    -1  
$EndComp
Wire Wire Line
	12550 8550 12550 8450
$Comp
L power:GND1 #PWR0145
U 1 1 61F9EB4C
P 12150 7950
F 0 "#PWR0145" H 12150 7700 50  0001 C CNN
F 1 "GND1" H 12150 7800 50  0000 C CNN
F 2 "" H 12150 7950 50  0001 C CNN
F 3 "" H 12150 7950 50  0001 C CNN
	1    12150 7950
	0    1    1    0   
$EndComp
Wire Wire Line
	12150 7950 12250 7950
Wire Wire Line
	13350 8050 13600 8050
Wire Wire Line
	13900 8400 13900 8250
$Comp
L Device:R_Small R121
U 1 1 6205EFD9
P 13900 7550
F 0 "R121" H 13930 7570 50  0000 L CNN
F 1 "10kR" H 13930 7510 50  0000 L CNN
F 2 "" H 13900 7550 50  0001 C CNN
F 3 "~" H 13900 7550 50  0001 C CNN
	1    13900 7550
	1    0    0    -1  
$EndComp
Wire Wire Line
	13900 7650 13900 7750
Wire Wire Line
	13150 7500 13500 7500
Wire Wire Line
	13500 7500 13500 7750
Wire Wire Line
	13500 7750 13900 7750
Connection ~ 13900 7750
Wire Wire Line
	13900 7750 13900 7850
Wire Wire Line
	13900 7200 13900 7250
Text Label 13750 1100 2    50   ~ 0
VM
Wire Wire Line
	13750 1100 13850 1100
Text Label 13900 6900 2    50   ~ 0
VM
$Comp
L Device:D_Zener D105
U 1 1 62148069
P 14450 8250
F 0 "D105" H 14450 8350 50  0000 C CNN
F 1 "D_Zener" H 14450 8150 50  0000 C CNN
F 2 "" H 14450 8250 50  0001 C CNN
F 3 "~" H 14450 8250 50  0001 C CNN
	1    14450 8250
	0    1    1    0   
$EndComp
Wire Wire Line
	14450 8100 14450 7750
$Comp
L power:GND1 #PWR0150
U 1 1 6219B26A
P 14450 8500
F 0 "#PWR0150" H 14450 8250 50  0001 C CNN
F 1 "GND1" H 14450 8350 50  0000 C CNN
F 2 "" H 14450 8500 50  0001 C CNN
F 3 "" H 14450 8500 50  0001 C CNN
	1    14450 8500
	1    0    0    -1  
$EndComp
Wire Wire Line
	14450 8500 14450 8400
$Comp
L Device:C_Small C127
U 1 1 621C3C3F
P 13050 7050
F 0 "C127" H 13060 7120 50  0000 L CNN
F 1 "15 pF" H 13060 6970 50  0000 L CNN
F 2 "" H 13050 7050 50  0001 C CNN
F 3 "~" H 13050 7050 50  0001 C CNN
	1    13050 7050
	0    -1   -1   0   
$EndComp
Wire Wire Line
	13150 7050 13500 7050
Wire Wire Line
	13500 7050 13500 7500
Connection ~ 13500 7500
Wire Wire Line
	12950 7050 12550 7050
Wire Wire Line
	12550 7050 12550 7500
Connection ~ 12550 7500
$Comp
L Transistor_FET:2N7002 Q101
U 1 1 6221B5EB
P 13800 8050
F 0 "Q101" H 14000 8125 50  0000 L CNN
F 1 "2N7002NXAKR" H 14000 8050 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 14000 7975 50  0001 L CIN
F 3 "https://www.onsemi.com/pub/Collateral/NDS7002A-D.PDF" H 13800 8050 50  0001 L CNN
F 4 "1727-8643-1-ND" H 13800 8050 50  0001 C CNN "Digikey"
	1    13800 8050
	1    0    0    -1  
$EndComp
Wire Wire Line
	13900 6900 13900 7000
$Comp
L Device:C_Small C128
U 1 1 62247C37
P 14200 7350
F 0 "C128" H 14210 7420 50  0000 L CNN
F 1 "47 uF 60V" H 14210 7270 50  0000 L CNN
F 2 "" H 14200 7350 50  0001 C CNN
F 3 "~" H 14200 7350 50  0001 C CNN
	1    14200 7350
	0    -1   1    0   
$EndComp
Wire Wire Line
	14100 7350 13900 7350
Connection ~ 13900 7350
Wire Wire Line
	13900 7350 13900 7450
$Comp
L power:GND #PWR0149
U 1 1 62299505
P 14400 7350
F 0 "#PWR0149" H 14400 7100 50  0001 C CNN
F 1 "GND" H 14400 7200 50  0000 C CNN
F 2 "" H 14400 7350 50  0001 C CNN
F 3 "" H 14400 7350 50  0001 C CNN
	1    14400 7350
	0    -1   -1   0   
$EndComp
Wire Wire Line
	14400 7350 14300 7350
Wire Wire Line
	14450 7750 13900 7750
Connection ~ 14450 7750
Text Label 10000 1100 1    50   ~ 0
5V_ISO
Text Label 14800 9200 0    50   ~ 0
5V_ISO
$Comp
L Device:C_Small C129
U 1 1 624F18CC
P 14800 9400
F 0 "C129" H 14810 9470 50  0000 L CNN
F 1 "0.1 uF" H 14810 9320 50  0000 L CNN
F 2 "" H 14800 9400 50  0001 C CNN
F 3 "~" H 14800 9400 50  0001 C CNN
	1    14800 9400
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C130
U 1 1 624F296A
P 15100 9400
F 0 "C130" H 15110 9470 50  0000 L CNN
F 1 "10 uF" H 15110 9320 50  0000 L CNN
F 2 "" H 15100 9400 50  0001 C CNN
F 3 "~" H 15100 9400 50  0001 C CNN
	1    15100 9400
	1    0    0    -1  
$EndComp
Wire Wire Line
	15100 9300 15100 9200
Wire Wire Line
	15100 9200 14800 9200
Wire Wire Line
	14800 9200 14800 9300
$Comp
L power:GND1 #PWR0151
U 1 1 625C987F
P 14800 9600
F 0 "#PWR0151" H 14800 9350 50  0001 C CNN
F 1 "GND1" H 14800 9450 50  0000 C CNN
F 2 "" H 14800 9600 50  0001 C CNN
F 3 "" H 14800 9600 50  0001 C CNN
	1    14800 9600
	1    0    0    -1  
$EndComp
Wire Wire Line
	14800 9600 14800 9500
$Comp
L power:GND1 #PWR0153
U 1 1 625F4E82
P 15100 9600
F 0 "#PWR0153" H 15100 9350 50  0001 C CNN
F 1 "GND1" H 15100 9450 50  0000 C CNN
F 2 "" H 15100 9600 50  0001 C CNN
F 3 "" H 15100 9600 50  0001 C CNN
	1    15100 9600
	1    0    0    -1  
$EndComp
Wire Wire Line
	15100 9600 15100 9500
Text Notes 11450 7700 0    50   ~ 0
8 kHz PWM input\n100 Hz LPF target
Text Label 11350 2250 2    50   ~ 0
ATTINY_UPDI
Text Label 11350 2150 2    50   ~ 0
VCCIO
$Comp
L power:GND1 #PWR0143
U 1 1 62688002
P 11350 2550
F 0 "#PWR0143" H 11350 2300 50  0001 C CNN
F 1 "GND1" H 11350 2400 50  0000 C CNN
F 2 "" H 11350 2550 50  0001 C CNN
F 3 "" H 11350 2550 50  0001 C CNN
	1    11350 2550
	0    1    1    0   
$EndComp
Wire Wire Line
	11350 2150 11500 2150
Wire Wire Line
	11500 2250 11350 2250
Wire Wire Line
	11350 2350 11500 2350
$Comp
L Device:R_Small R119
U 1 1 61EE303B
P 13050 7500
F 0 "R119" H 13080 7520 50  0000 L CNN
F 1 "100kR" H 13080 7460 50  0000 L CNN
F 2 "" H 13050 7500 50  0001 C CNN
F 3 "~" H 13050 7500 50  0001 C CNN
	1    13050 7500
	0    -1   -1   0   
$EndComp
Wire Wire Line
	14950 7850 14950 8150
$Comp
L power:GND1 #PWR0152
U 1 1 62414546
P 14950 8150
F 0 "#PWR0152" H 14950 7900 50  0001 C CNN
F 1 "GND1" H 14950 8000 50  0000 C CNN
F 2 "" H 14950 8150 50  0001 C CNN
F 3 "" H 14950 8150 50  0001 C CNN
	1    14950 8150
	1    0    0    -1  
$EndComp
Wire Wire Line
	14950 7850 15050 7850
$Comp
L Connector_Generic:Conn_01x02 J113
U 1 1 622C470F
P 15250 7750
F 0 "J113" H 15250 7850 50  0000 C CNN
F 1 "Conn_01x02" H 15250 7550 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" H 15250 7750 50  0001 C CNN
F 3 "~" H 15250 7750 50  0001 C CNN
F 4 "NoPart" H 15250 7750 50  0001 C CNN "Digikey"
	1    15250 7750
	1    0    0    -1  
$EndComp
Text Label 14850 7600 0    50   ~ 0
SPINDLE_OUT_10V
$Comp
L power:GND1 #PWR0148
U 1 1 621C2D01
P 13900 8400
F 0 "#PWR0148" H 13900 8150 50  0001 C CNN
F 1 "GND1" H 13900 8250 50  0000 C CNN
F 2 "" H 13900 8400 50  0001 C CNN
F 3 "" H 13900 8400 50  0001 C CNN
	1    13900 8400
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R116
U 1 1 628541EE
P 11850 8150
F 0 "R116" H 11880 8170 50  0000 L CNN
F 1 "10kR" H 11880 8110 50  0000 L CNN
F 2 "" H 11850 8150 50  0001 C CNN
F 3 "~" H 11850 8150 50  0001 C CNN
	1    11850 8150
	0    -1   1    0   
$EndComp
$Comp
L Device:C_Small C125
U 1 1 628541F4
P 12050 8350
F 0 "C125" H 12060 8420 50  0000 L CNN
F 1 "0.15 uF" H 12060 8270 50  0000 L CNN
F 2 "" H 12050 8350 50  0001 C CNN
F 3 "~" H 12050 8350 50  0001 C CNN
	1    12050 8350
	1    0    0    -1  
$EndComp
Wire Wire Line
	11950 8150 12050 8150
Wire Wire Line
	12050 8250 12050 8150
Connection ~ 12050 8150
Wire Wire Line
	12050 8150 12250 8150
$Comp
L power:GND1 #PWR0144
U 1 1 628541FE
P 12050 8550
F 0 "#PWR0144" H 12050 8300 50  0001 C CNN
F 1 "GND1" H 12050 8400 50  0000 C CNN
F 2 "" H 12050 8550 50  0001 C CNN
F 3 "" H 12050 8550 50  0001 C CNN
	1    12050 8550
	1    0    0    -1  
$EndComp
Wire Wire Line
	12050 8550 12050 8450
Wire Wire Line
	14450 7750 14850 7750
$Comp
L Connector_Generic:Conn_01x03 J114
U 1 1 62934CDD
P 15850 7750
F 0 "J114" H 15850 7950 50  0000 C CNN
F 1 "Conn_01x03" H 15850 7550 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical" H 15850 7750 50  0001 C CNN
F 3 "~" H 15850 7750 50  0001 C CNN
F 4 "NoPart" H 15850 7750 50  0001 C CNN "Digikey"
	1    15850 7750
	1    0    0    -1  
$EndComp
$Comp
L power:GND1 #PWR0154
U 1 1 62935194
P 15550 8150
F 0 "#PWR0154" H 15550 7900 50  0001 C CNN
F 1 "GND1" H 15550 8000 50  0000 C CNN
F 2 "" H 15550 8150 50  0001 C CNN
F 3 "" H 15550 8150 50  0001 C CNN
	1    15550 8150
	1    0    0    -1  
$EndComp
Wire Wire Line
	15550 8150 15550 7850
Wire Wire Line
	15550 7850 15650 7850
Wire Wire Line
	15650 7750 15400 7750
Wire Wire Line
	15400 7750 15400 7600
Wire Wire Line
	15400 7600 14850 7600
Wire Wire Line
	14850 7600 14850 7750
Connection ~ 14850 7750
Wire Wire Line
	14850 7750 15050 7750
Wire Wire Line
	15650 7650 15500 7650
Wire Wire Line
	15500 7650 15500 7250
Wire Wire Line
	15500 7250 13900 7250
Connection ~ 13900 7250
Wire Wire Line
	13900 7250 13900 7350
$Comp
L Device:R_Small R120
U 1 1 6221E9A2
P 13900 7100
F 0 "R120" H 13930 7120 50  0000 L CNN
F 1 "220R" H 13930 7060 50  0000 L CNN
F 2 "" H 13900 7100 50  0001 C CNN
F 3 "~" H 13900 7100 50  0001 C CNN
	1    13900 7100
	1    0    0    -1  
$EndComp
Text Notes 14150 7200 0    50   ~ 0
DNI
Text Notes 14300 7600 1    50   ~ 0
DNI
$Comp
L Amplifier_Operational:TLV9001IDCK U109
U 1 1 629EE2A3
P 12950 8050
F 0 "U109" H 13250 8150 50  0000 C CNN
F 1 "TLV9001IDCK" H 13400 7950 50  0000 C CNN
F 2 "Package_TO_SOT_SMD:SOT-353_SC-70-5" H 13150 8050 50  0001 C CNN
F 3 "https://www.ti.com/lit/ds/symlink/tlv9001.pdf" H 12950 8050 50  0001 C CNN
F 4 "296-TLV9001IDCKRCT-ND" H 12950 8050 50  0001 C CNN "Digikey"
	1    12950 8050
	1    0    0    -1  
$EndComp
Text Label 12950 7650 2    50   ~ 0
5V_ISO
Wire Wire Line
	12950 7650 12950 7750
$Comp
L power:GND1 #PWR0147
U 1 1 62AA6C05
P 12950 8550
F 0 "#PWR0147" H 12950 8300 50  0001 C CNN
F 1 "GND1" H 12950 8400 50  0000 C CNN
F 2 "" H 12950 8550 50  0001 C CNN
F 3 "" H 12950 8550 50  0001 C CNN
	1    12950 8550
	1    0    0    -1  
$EndComp
Wire Wire Line
	12950 8550 12950 8350
Text Label 7750 8100 1    50   ~ 0
ATMEGA_XSTEP
Text Label 8650 8100 1    50   ~ 0
ATMEGA_XDIR
Text Label 8050 8100 1    50   ~ 0
ATMEGA_YSTEP
Text Label 8950 8100 1    50   ~ 0
ATMEGA_YDIR
Text Label 9250 8100 1    50   ~ 0
ATMEGA_ZDIR
Text Label 8350 8100 1    50   ~ 0
ATMEGA_ZSTEP
$Comp
L Device:LED_Small D108
U 1 1 62B34755
P 8350 8300
F 0 "D108" H 8300 8425 50  0000 L CNN
F 1 "LED_Small" H 8175 8200 50  0000 L CNN
F 2 "" V 8350 8300 50  0001 C CNN
F 3 "~" V 8350 8300 50  0001 C CNN
	1    8350 8300
	0    -1   -1   0   
$EndComp
$Comp
L Device:R_Small R124
U 1 1 62B3475B
P 8350 8550
F 0 "R124" H 8380 8570 50  0000 L CNN
F 1 "1kR" H 8380 8510 50  0000 L CNN
F 2 "" H 8350 8550 50  0001 C CNN
F 3 "~" H 8350 8550 50  0001 C CNN
	1    8350 8550
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0157
U 1 1 62B34761
P 8350 8700
F 0 "#PWR0157" H 8350 8450 50  0001 C CNN
F 1 "GND" H 8350 8550 50  0000 C CNN
F 2 "" H 8350 8700 50  0001 C CNN
F 3 "" H 8350 8700 50  0001 C CNN
	1    8350 8700
	1    0    0    -1  
$EndComp
Wire Wire Line
	8350 8700 8350 8650
Wire Wire Line
	8350 8400 8350 8450
$Comp
L Device:LED_Small D109
U 1 1 62B621EA
P 8650 8300
F 0 "D109" H 8600 8425 50  0000 L CNN
F 1 "LED_Small" H 8475 8200 50  0000 L CNN
F 2 "" V 8650 8300 50  0001 C CNN
F 3 "~" V 8650 8300 50  0001 C CNN
	1    8650 8300
	0    -1   -1   0   
$EndComp
$Comp
L Device:R_Small R125
U 1 1 62B621F0
P 8650 8550
F 0 "R125" H 8680 8570 50  0000 L CNN
F 1 "1kR" H 8680 8510 50  0000 L CNN
F 2 "" H 8650 8550 50  0001 C CNN
F 3 "~" H 8650 8550 50  0001 C CNN
	1    8650 8550
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0158
U 1 1 62B621F6
P 8650 8700
F 0 "#PWR0158" H 8650 8450 50  0001 C CNN
F 1 "GND" H 8650 8550 50  0000 C CNN
F 2 "" H 8650 8700 50  0001 C CNN
F 3 "" H 8650 8700 50  0001 C CNN
	1    8650 8700
	1    0    0    -1  
$EndComp
Wire Wire Line
	8650 8700 8650 8650
Wire Wire Line
	8650 8400 8650 8450
$Comp
L Device:LED_Small D110
U 1 1 62B8F8D3
P 8950 8300
F 0 "D110" H 8900 8425 50  0000 L CNN
F 1 "LED_Small" H 8775 8200 50  0000 L CNN
F 2 "" V 8950 8300 50  0001 C CNN
F 3 "~" V 8950 8300 50  0001 C CNN
	1    8950 8300
	0    -1   -1   0   
$EndComp
$Comp
L Device:R_Small R126
U 1 1 62B8F8D9
P 8950 8550
F 0 "R126" H 8980 8570 50  0000 L CNN
F 1 "1kR" H 8980 8510 50  0000 L CNN
F 2 "" H 8950 8550 50  0001 C CNN
F 3 "~" H 8950 8550 50  0001 C CNN
	1    8950 8550
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0159
U 1 1 62B8F8DF
P 8950 8700
F 0 "#PWR0159" H 8950 8450 50  0001 C CNN
F 1 "GND" H 8950 8550 50  0000 C CNN
F 2 "" H 8950 8700 50  0001 C CNN
F 3 "" H 8950 8700 50  0001 C CNN
	1    8950 8700
	1    0    0    -1  
$EndComp
Wire Wire Line
	8950 8700 8950 8650
Wire Wire Line
	8950 8400 8950 8450
$Comp
L Device:LED_Small D111
U 1 1 62BBD7C8
P 9250 8300
F 0 "D111" H 9200 8425 50  0000 L CNN
F 1 "LED_Small" H 9075 8200 50  0000 L CNN
F 2 "" V 9250 8300 50  0001 C CNN
F 3 "~" V 9250 8300 50  0001 C CNN
	1    9250 8300
	0    -1   -1   0   
$EndComp
$Comp
L Device:R_Small R127
U 1 1 62BBD7CE
P 9250 8550
F 0 "R127" H 9280 8570 50  0000 L CNN
F 1 "1kR" H 9280 8510 50  0000 L CNN
F 2 "" H 9250 8550 50  0001 C CNN
F 3 "~" H 9250 8550 50  0001 C CNN
	1    9250 8550
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0160
U 1 1 62BBD7D4
P 9250 8700
F 0 "#PWR0160" H 9250 8450 50  0001 C CNN
F 1 "GND" H 9250 8550 50  0000 C CNN
F 2 "" H 9250 8700 50  0001 C CNN
F 3 "" H 9250 8700 50  0001 C CNN
	1    9250 8700
	1    0    0    -1  
$EndComp
Wire Wire Line
	9250 8700 9250 8650
Wire Wire Line
	9250 8400 9250 8450
$Comp
L Device:LED_Small D107
U 1 1 62BEC6A6
P 8050 8300
F 0 "D107" H 8000 8425 50  0000 L CNN
F 1 "LED_Small" H 7875 8200 50  0000 L CNN
F 2 "" V 8050 8300 50  0001 C CNN
F 3 "~" V 8050 8300 50  0001 C CNN
	1    8050 8300
	0    -1   -1   0   
$EndComp
$Comp
L Device:R_Small R123
U 1 1 62BEC6AC
P 8050 8550
F 0 "R123" H 8080 8570 50  0000 L CNN
F 1 "1kR" H 8080 8510 50  0000 L CNN
F 2 "" H 8050 8550 50  0001 C CNN
F 3 "~" H 8050 8550 50  0001 C CNN
	1    8050 8550
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0156
U 1 1 62BEC6B2
P 8050 8700
F 0 "#PWR0156" H 8050 8450 50  0001 C CNN
F 1 "GND" H 8050 8550 50  0000 C CNN
F 2 "" H 8050 8700 50  0001 C CNN
F 3 "" H 8050 8700 50  0001 C CNN
	1    8050 8700
	1    0    0    -1  
$EndComp
Wire Wire Line
	8050 8700 8050 8650
Wire Wire Line
	8050 8400 8050 8450
$Comp
L Device:LED_Small D106
U 1 1 62C1B277
P 7750 8300
F 0 "D106" H 7700 8425 50  0000 L CNN
F 1 "LED_Small" H 7575 8200 50  0000 L CNN
F 2 "" V 7750 8300 50  0001 C CNN
F 3 "~" V 7750 8300 50  0001 C CNN
	1    7750 8300
	0    -1   -1   0   
$EndComp
$Comp
L Device:R_Small R122
U 1 1 62C1B27D
P 7750 8550
F 0 "R122" H 7780 8570 50  0000 L CNN
F 1 "1kR" H 7780 8510 50  0000 L CNN
F 2 "" H 7750 8550 50  0001 C CNN
F 3 "~" H 7750 8550 50  0001 C CNN
	1    7750 8550
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0155
U 1 1 62C1B283
P 7750 8700
F 0 "#PWR0155" H 7750 8450 50  0001 C CNN
F 1 "GND" H 7750 8550 50  0000 C CNN
F 2 "" H 7750 8700 50  0001 C CNN
F 3 "" H 7750 8700 50  0001 C CNN
	1    7750 8700
	1    0    0    -1  
$EndComp
Wire Wire Line
	7750 8700 7750 8650
Wire Wire Line
	7750 8400 7750 8450
Wire Wire Line
	7750 8100 7750 8200
Wire Wire Line
	8050 8200 8050 8100
Wire Wire Line
	8350 8100 8350 8200
Wire Wire Line
	8650 8200 8650 8100
Wire Wire Line
	8950 8100 8950 8200
Wire Wire Line
	9250 8200 9250 8100
Text Label 11350 2450 2    50   ~ 0
ATTINY_RXD
Text Label 11350 2350 2    50   ~ 0
ATTINY_TXD
$Comp
L Connector_Generic:Conn_01x05 J112
U 1 1 62DCB437
P 11700 2350
F 0 "J112" H 11700 2650 50  0000 C CNN
F 1 "Conn_01x05" H 11700 2050 50  0000 C CNN
F 2 "" H 11700 2350 50  0001 C CNN
F 3 "~" H 11700 2350 50  0001 C CNN
	1    11700 2350
	1    0    0    -1  
$EndComp
Wire Wire Line
	11350 2450 11500 2450
Wire Wire Line
	11500 2550 11350 2550
$Comp
L power:PWR_FLAG #FLG0101
U 1 1 62E319F2
P 12100 1150
F 0 "#FLG0101" H 12100 1225 50  0001 C CNN
F 1 "PWR_FLAG" H 12100 1300 50  0000 C CNN
F 2 "" H 12100 1150 50  0001 C CNN
F 3 "~" H 12100 1150 50  0001 C CNN
	1    12100 1150
	1    0    0    -1  
$EndComp
Wire Wire Line
	12100 1150 12100 1250
Connection ~ 12100 1250
Wire Wire Line
	12100 1250 12150 1250
$EndSCHEMATC