There’s hardly any piece of test equipment more fundamental than a volt ohm meter. Today you’re likely to have a digital one, but for most of history, these devices had real needle meters. The ...

Demands for greater functionality, higher reliability, and lower cost have driven the development of the latest electronic energy-metering ICs. These devices, which include both system-on-a-chip (SoC) ...

This is a disc water meter with frost proof bottom and serial number 1,805,509 that fit a ⅝” pipe, and that was made by the Gamon Meter Company in Newark, New Jersey, around 1930. The firm announced ...

While we often get a detailed backstory of the projects we cover here at Hackaday, sometimes the genesis of a build is a bit of a mystery. Take [maurycyz]’s radiation survey meter modifications, for ...