In fact, we wondered if you couldn’t just grab a 3D printer board and modify it for this service without spinning a custom PCB. Fittingly, the example subject is another Arduino Nano.

Read more: Major PC Monitor Brands Ranked Worst To Best The board that started Arduino's Nano family, the Nano is a classic platform ideal for basic circuit building and breadboard prototyping.

The circuit is extremely simple, comprising the sensor, an Arduino Nano, and an OLED display ... that looks as though it has been made from PCB material, with the sensor protruding on what ...