A single analog stick. Arduino reads its raw values, filters them using radial scaling and prints to serial port when there is a change.
Arduino Pro Mini ATmega328 (3.3V, 8MHz)
| Type | Pro Mini | Analog Stick |
|---|---|---|
| Output | A2 | VRx |
| Output | A3 | VRy |
| Output | VCC | +5V |
| Output | GND | GND |