add MONITOR_BAUDRATE

Signed-off-by: tinyladi <ladislas@weareleka.com>
changed Serial.print with F() to free some ram

Signed-off-by: tinyladi <ladislas@weareleka.com>
delete old tests

Signed-off-by: tinyladi <ladislas@weareleka.com>
create learning data sender test and motor unit test

Signed-off-by: tinyladi <ladislas@weareleka.com>