To select the best platform for this device, I build a simple Joystick controller prototype. with Arduino Micro. The 2-axis joystick controls the mouse cursor and two push buttons emulate left and right click.

1 × Arduino Micro

1 × Parallex 2-axis joystick

2 × momentory push buttons

1 × breadboard Electronic Components / Misc. Electronic Components

6 × Male cables

5 × cables