diff --git a/fw/nrf52/Makefile b/fw/nrf52/Makefile
new file mode 100644
index 0000000..7492ca1
--- /dev/null
+++ b/fw/nrf52/Makefile
@@ -0,0 +1,74 @@
+# Build Nordic NRF52832 example
+
+TARGET           := nrf52-fw.elf
+HEXFILE          := $(TARGET:.elf=.hex)
+BUILD_DIR        := build
+SDK              := ./nrf5_sdk
+PROJ             := $(CURDIR)
+LINKER_SCRIPT    := nrf52_test.ld
+OPTIMISE         := -O3
+
+GCC              := arm-none-eabi-gcc
+OBJCOPY          := arm-none-eabi-objcopy
+OBJSIZE          := arm-none-eabi-size
+
+HEAP_SIZE        := 8192
+STACK_SIZE       := 8192
+
+SRC_FILES        += $(SDK)/modules/nrfx/mdk/gcc_startup_nrf52.S
+SRC_FILES        += $(SDK)/modules/nrfx/mdk/system_nrf52.c
+SRC_FILES        += $(PROJ)/main.c
+
+SRC_DIRS         := $(dir $(SRC_FILES))
+SRCES            := $(notdir $(SRC_FILES))
+OBJECTS          := $(SRCES:=.o)
+OBJ_FILES        := $(addprefix $(BUILD_DIR)/,$(OBJECTS))
+
+INC_FOLDERS      += $(PROJ) 
+INC_FOLDERS      += $(SDK)/modules/nrfx                  $(SDK)/modules/nrfx/mdk
+INC_FOLDERS      += $(SDK)/modules/nrfx/hal 
+INC_FOLDERS      += $(SDK)/components/libraries/strerror $(SDK)/components/toolchain/cmsis/include
+INC_FOLDERS      += $(SDK)/components/libraries/util     $(SDK)/components/libraries/balloc
+INC_FOLDERS      += $(SDK)/components/libraries/ringbuf  $(SDK)/components/libraries/bsp 
+INC_FOLDERS      += $(SDK)/components/libraries/log      $(SDK)/components/libraries/experimental_section_vars
+INC_FOLDERS      += $(SDK)/components/libraries/delay    $(SDK)/components/drivers_nrf/nrf_soc_nosd 
+INC_FOLDERS      += $(SDK)/components/libraries/atomic   $(SDK)/components/boards
+INC_FOLDERS      += $(SDK)/components/libraries/memobj   $(SDK)/components/libraries/log/src
+INC_FOLDERS      += $(SDK)/external/fprintf              $(SDK)/integration/nrfx
+
+CFLAGS           += -std=c99 -MP -MD -c -g3 $(OPTIMISE)
+CFLAGS           += -DBOARD_CUSTOM -DBSP_DEFINES_ONLY -DCONFIG_GPIO_AS_PINRESET -DFLOAT_ABI_HARD -DNRF52 -DNRF52832_XXAA -DNRF52_PAN_74
+CFLAGS           += -mcpu=cortex-m4 -mthumb -mabi=aapcs -Wall -Werror -mfloat-abi=hard -mfpu=fpv4-sp-d16 -ffunction-sections -fdata-sections
+CFLAGS           += -fno-strict-aliasing -fno-builtin -fshort-enums -D__HEAP_SIZE=$(HEAP_SIZE) -D__STACK_SIZE=$(STACK_SIZE)
+
+LNFLAGS          += -O3 -g3 -mthumb -mabi=aapcs -L$(SDK)/modules/nrfx/mdk -T$(LINKER_SCRIPT) -mcpu=cortex-m4 -mfloat-abi=hard -mfpu=fpv4-sp-d16
+LNFLAGS          += -Wl,--gc-sections --specs=nano.specs
+LNFLAGS2         += -Wl,-Map=build/blinky.map -lc -lnosys -lm
+
+VPATH            := $(SRC_DIRS)
+
+$(BUILD_DIR)/$(TARGET): $(OBJ_FILES)
+	@echo Linking $@
+	@$(GCC) $(LNFLAGS) -o $@ $^ $(LNFLAGS2)
+	@$(OBJCOPY) -O ihex $(BUILD_DIR)/$(TARGET) $(BUILD_DIR)/$(HEXFILE)
+	@$(OBJCOPY) -O binary $(BUILD_DIR)/$(TARGET) $(BUILD_DIR)/$(TARGET:.elf=.bin)
+	@$(OBJSIZE) $(BUILD_DIR)/$(TARGET)
+
+$(BUILD_DIR)/%.c.o: %.c
+	@echo Compiling $<
+	@$(GCC) $(CFLAGS) -o $@ $< $(addprefix -I,$(INC_FOLDERS)) 
+
+$(BUILD_DIR)/%.S.o: %.S
+	@echo Assembling $<
+	@$(GCC) $(CFLAGS) -o $@ $<
+
+jflash:	$(BUILD_DIR)/$(TARGET)
+	@echo Flashing $(HEXFILE)
+	nrfjprog --program $(BUILD_DIR)/$(HEXFILE) --sectorerase
+	nrfjprog --reset
+
+ocdflash: $(BUILD_DIR)/$(TARGET)
+	sudo openocd -f ../openocd/rpi2.cfg -f ../openocd/nrf52_swd.cfg -c "program $(BUILD_DIR)/$(TARGET) verify reset exit"
+
+# EOF
+
diff --git a/fw/nrf52/main.c b/fw/nrf52/main.c
new file mode 100644
index 0000000..411ef76
--- /dev/null
+++ b/fw/nrf52/main.c
@@ -0,0 +1,14 @@
+#include "nrf_gpio.h"
+#include "nrf_delay.h"
+
+// LED definitions
+#define LED_PIN      7
+#define LED_BIT      (1 << LED_PIN)
+
+int main(void) {
+  nrf_gpio_cfg_output(LED_PIN);
+  while (1) {
+    nrf_delay_ms(500);
+    NRF_GPIO->OUT ^= LED_BIT;
+  }
+}