Default port: 8266
https://github.com/micropython/micropython/wiki/Getting-Started
Connect to serial port. Exit with Control+a+x
picocom /dev/ttyUSB0 -b115200
File manipulation
ampy -p /dev/ttyUSB0 put main.py
`
mosquitto_pub -h 192.168.0.2 -u username -P secret -m "{'r': 0, 'g': 50, 'b': 20 }" -t "kesmarki/led"