110 lines
2.0 KiB
C++
110 lines
2.0 KiB
C++
/*
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modified on Apr 10, 2021
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Modified by MehranMaleki from Arduino Examples
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Home
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*/
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// this is using the HiLetgo 5V 4 Channel Relay Shield
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// pinout is apparently 7,6,5,4
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#define USE_SHT30
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#ifdef USE_SHT30
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#include "SHT85.h"
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#define SHT85_ADDRESS 0x44
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SHT85 sht30;
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#else
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#include <Wire.h>
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#include "DFRobot_SHT20.h"
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TwoWire twowire;
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DFRobot_SHT20 sht20(&twowire);
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#endif
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void fanOn() {
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digitalWrite(7, HIGH);
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}
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void fanOff() {
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digitalWrite(7, LOW);
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}
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void setup()
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{
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pinMode(4, OUTPUT);
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pinMode(5, OUTPUT);
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pinMode(7, OUTPUT);
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digitalWrite(7, LOW);
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Serial.begin(115200);
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#ifdef USE_SHT30
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Wire.begin();
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sht30.begin(SHT85_ADDRESS);
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Wire.setClock(10000);
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#else
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twowire.setClock(10000);
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sht20.initSHT20(); // Init SHT20 Sensor
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#endif
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delay(100);
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//sht20.checkSHT20(); // Check SHT20 Sensor
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}
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// relay 4
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void toggle() {
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digitalWrite(4, HIGH);
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delay(100);
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digitalWrite(4, LOW);
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}
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// relay 3
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void toggle2() {
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digitalWrite(5, HIGH);
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delay(100);
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digitalWrite(5, LOW);
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}
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void toggle_test(int p) {
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digitalWrite(p, HIGH);
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delay(100);
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digitalWrite(p, LOW);
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}
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void loop()
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{
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while (Serial.available()) {
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const int c = Serial.read();
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if (c == 's') {
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// TODO dump the current status
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#ifdef USE_SHT30
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sht30.read();
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float humd = sht30.getHumidity();
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float temp = sht30.getTemperature();
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#else
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float humd = sht20.readHumidity(); // Read Humidity
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float temp = sht20.readTemperature(); // Read Temperature
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#endif
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float volts = (5.0f/1024.0f)*analogRead(A2);
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float volts2 = (5.0f/1024.0f)*analogRead(A0);
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Serial.print(humd);
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Serial.print(",");
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Serial.print(temp);
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Serial.print(",");
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Serial.print(volts);
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Serial.print(",");
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Serial.println(volts2);
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} else if (c == 'h') {
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toggle();
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} else if (c == 'i') {
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toggle2();
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} else if (c >= 'A' && c <= 'Z') {
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toggle_test(c - 'A');
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}
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}
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delay(1);
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}
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