On a microcontroller, though, you’ll have to roll your own CPU load meter with a few parts, some code, and a voltmeter. We like [Dave Marples]’s simple approach to quantifying something as ...

Looking for more analog meter goodness? We saw a similar CPU load meter a few months back, and there was this mash-up of Nixies and old meters for a solar energy CEO’s desk.

The Model 7905 digital static meter is designed to measure static electricity and improve safety and efficiency in ...