diff --git a/firmware/.getMCU.swp b/firmware/.getMCU.swp
new file mode 100644
index 0000000..4a59443
Binary files /dev/null and b/firmware/.getMCU.swp differ
diff --git a/firmware/Makefile b/firmware/Makefile
index b4a8479..689212e 100644
--- a/firmware/Makefile
+++ b/firmware/Makefile
@@ -18,11 +18,12 @@ OBJCOPY_PATH = avr-objcopy
 PROGRAMMER = avrispmkII
 OUTPUT     = b15f.elf
 HEX	   = b15f.hex
-MCU	   = atmega1284p
+MCU        = m1284p
 CFLAGS     = -Wall -Wextra -std=c++14 -O3 -mmcu=$(MCU) -DF_CPU=$(F_CPU) $(DEBUG)
 LDFLAGS    = 
 OBJECTS    = main.o spi.o mcp23s17.o tlc5615.o adu.o selftest.o global_vars.o usart.o requests.o interrupts.o pwm.o
 
+ 
 
 COMPILE = $(COMPILER_PATH) $(CFLAGS)
 FUSES = (E:$(EFUSE), H:$(HFUSE), L:$(LFUSE))
@@ -34,6 +35,8 @@ b15f: $(OBJECTS)
 	$(OBJCOPY_PATH) -O ihex -R .eeprom -R .fuse -R .lock -R .signature $(OUTPUT) $(HEX)
 
 help:
+	$(eval MCU = $(shell bash -c "avrdude -c $(PROGRAMMER) -Pusb -p m16 2>&1 | grep 'Device signature =' | awk -F 'probably ' '{print $2}' | head -c-2"))
+	@echo $(MCU)
 	@echo "This Makefile has the following rules:"
 	@echo "make b15f .... to compile (default)"
 	@echo "make clean ... to delete objects, elf and hex file"
diff --git a/firmware/getMCU b/firmware/getMCU
new file mode 100755
index 0000000..a89b1b2
--- /dev/null
+++ b/firmware/getMCU
@@ -0,0 +1 @@
+avrdude -c $(PROGRAMMER) -Pusb -p m16 2>&1 | grep 'Device signature =' | awk -F 'probably ' '{print $2}' | head -c-2