Our hacker [John Duffy] wrote in to let us know about a video he put together to explain the design of his open-source multimeter, the HydraMeter. If you’re interested in how the circuitry for a ...

In a world of digital monotony, the Avo DA14 digital multimeter, with its vintage nixie tube charm, is a refreshing gem. Recently refurbished by [Thomas Scherrer], this multimeter video review is a ...

Having a solid multimeter is imperative for various types of work but it's not always necessary to have a massively expensive one if your readings are not a life-or-death situation, be it figuratively ...