Code in the Arduino sketch is then used to compute the actual voltage being measured. The analog sensor on the Arduino board senses the voltage on the analog pin and converts it into a digital format ...

It’s basically an Arduino Nano with a lot of onboard peripherals, including a large graphic LCD, some buttons, a speaker, plenty of H-bridges, and a few more. After bodge-wiring the dust sensor ...

This tutorial will guide you through the process of building a tachometer around an Arduino ... [Chris] is using a character LCD to output the reading. Wiring and driving the LCD ends up being ...