Crowbar circuits have long been the go-to safeguard against overvoltage conditions, prized for their simplicity and ...

A continuity tester that indicates the resistance of, say, PCB traces with musically-related tones, whose pitch changes with ...

Here’s a fun build from [RootSaid] that is suitable for people just getting started with microcontrollers and robotics — an Arduino-controlled two-wheeled robot. The video assumes you ...

If you read about Hall effect sensors — the usual way to detect and measure magnetic fields these days — it sounds ...