[mircemk] shows how to create a simple non-contact proximity sensor using little more than an Arduino Nano board, and a convenient software library intended to measure the value of capacitors.

[mircemk] shows how to create a simple non-contact proximity sensor using little more than an Arduino Nano board, and a convenient software library intended to measure the value of capacitors.

Apart from understanding the ... the classic Nano board doesn't offer much. Its iterations, on the other hand, are packed with more modern features like integrated environment sensors, Wi-Fi ...