An Arduino Mega ... a smooth glide. The IR sensor array, which on the palm-sized vehicle consisted of just a handful of components, evolved into a PCB-backed bar nearly 0.5 meters wide.

Then, chances are you already know what an Arduino ... for a wide array of applications. They feature analog pins for reading analog components (e.g., potentiometer, flex sensor, pH sensor ...

The nano sensor interface presented below is a microcontroller-based universal sensor interface with a power-saver mechanism. The idea, centered around an Arduino Nano (v3 ... can run at anywhere from ...