Modern computers have components that require lots of power and given that this all costs money, here's our guide to measuring how much energy your PC uses.

If you are building your own PC, you might be interested in how much power your PC uses. Whether you're playing games, or it is sitting idle, it's a good idea to know when the PC costs the most to ...

The simplest way to measure high voltage is by spark length. If your circuit has a spark gap then when a spark occurs, that’s a short-circuit, dumping all your built up charge.

[Trent M. Wyatt]’s CPUVolt library provides a fast way to measure voltage using no external components, and no I/O pin. It only applies to certain microcontrollers, but he provides example Ar… ...