Apart from the Arduino UNO, the circuit consists of two more ... sensor drives an infrared emitter to illuminate an object, then looks for the reflectance from the object to detect its close proximity ...

If you have an Arduino that can act ... With those two libraries, it is very simple to write the code. You simply read a register from the sensor and determine which key to send using the Nicohood ...

He used a stepper motor to rotate the object being scanned, and an Arduino for ... has released the code, and it should be easy enough to repurpose it with a more accurate sensor.