Robot Controller

This app controls Arduino robots via Bluetooth Low Energy. It features 3 joysticks and 13 buttons. Each message consists of one ASCII character and has the following definition:
Joystick 1: Forward: A, Backward: B, Left: C, Right: D, Stop: E
Joystick 2: Forward: F, Backward: G, Left: H, Right: I, Stop: J
Joystick 3: Forward: K, Backward: L, Left: M, Right: N, Stop: O
Action buttons:
Lights on: a, Lights off: b, Buzzer: c,
Sensor left: d, Sensor center: e, Sensor right: e
Speed up: f, Speed default: g, Speed down: h
Start position: l, Park position: m, Gripper open: P, Gripper close: Q