Play A Game Of Multimeter

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There are many different single board computers that are general purpose, but there’s another breed targeted at specific applications. One such is the Clockworkpi, a handheld Game Boy-style games console, which may be aimed at gamers but has just as much ability to do all the usual SBC stuff. It’s something [UncannyFlanigan] has demonstrated, by turning the Clockworkpi into a multimeter. And it’s not just a simple digital multimeter either, it’s one that sports graphing as well as instantaneous readings.

At its heart is an Arduino board that supplies the analogue to digital conversion, with opto-couplers for isolation between the two boards. A simple three-way switch selects voltage, current, and resistance ranges, and the ClockworkPi interface is written in Python. We can see that this could easily be extended using the power of the Arduino to deliver more functionality, for which all the code is handily available in a GitHub repository. It’s not a perfect multimeter yet because it lacks adequate input protection, but it shows a lot of promise.

If you’re intrigued by this project then maybe you’ll be pleased to know that it’s not the first home made multimeter we’ve featured.

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