Arduinos! They’re a great tool that make the world of microcontrollers pretty easy, and in [cptlolalot]’s case, they also give us an alternative to buying expensive, proprietary parts. [cptlolalot] ...

This article describes the simple setup and explains the code to drive analog meters using PWM outputs from an Arduino and the LCD Smartie program. They also replace the meter face to show the proper ...