A flutter app to control a robot using USB and Xbee.
to build for android : flutter build apk --split-per-abi
apk already built : app-armeabi-v7a-release.apk in build>output>flutter-apk
to modify joystick speed values : lib, joystickMode : modify line 76/77 - _consSpeed = getSpeed(degrees, distance) * 2000;