#TODO
0 - Response to %left & %right motor percent
1 - sonar web display
1bis - OLED display
2 - battery level sensor
3 - neurojs or metacar(tj.js) js interface, learning and command
https://github.com/janhuenermann/neurojs
https://github.com/OlegEfimov/neurojs/tree/test_delay with ESP8266 websockets!
4 - embedded tf.js model?