Fix all!

motor_controller/Makefile

@@ -7,7 +7,7 @@ PROJ := motor_controller
 
 # What board to build for and its core
 CORE     ?= arduino:avr
-FQBN     ?= arduino:avr:mega
+FQBN     ?= arduino:avr:nano
 
 # Tools, their links and versions
 ARDUINO_CLI_VERSION :=
@@ -84,11 +84,16 @@ requirements:
 	@if [ -e requirements.txt ]; \
 	then while read -r i ; do echo ; \
 		echo "---> Installing " '"'$$i'"' ; \
-		$(BINDIR)/arduino-cli lib install "$$i" ; \
+		$(BINDIR)/arduino-cli lib install $$i ; \
 	done < requirements.txt ; \
 	else echo "---> MISSING requirements.txt file"; \
 	fi
 
+# Monitor the serial (debug) output.
+# Requires minicom
+monitor: upload
+	minicom -c on -D $(SERIAL_DEV) -b 115200
+
 lint:
 	$(BINDIR)/arduino-lint --compliance strict