Hoverboard ESC manager,
control and telemetry via mavlink for multiple hoverboard controllers
working:
map left and right hoverboard channels to servo outputs 1 and 2.
send telemetry from up to 3 hoverboards to ardupilot as named floats.
still to do:
power management, switch boards off and on to save power.
tilt detection, read imu data and stop motors if tilt or roll exceeds a set limit.
configure with parameters via mission planner.
