Q: I would like to purchase a circuit tester for my tool kit, but I’m a little confused. I see three types at the hardware store — a small, cheap-looking tester; one that looks like a pen; and a ...

We may receive a commission on purchases made from links. When undertaking DIY electrical projects at home, safety should always come first. Whether you're adding a dimmer switch, installing a new ...

Developers, electronics engineers, makers and hobbyists looking for an affordable integrated circuit tester may be interested in this automated Arduino IC tester, created using an Arduino Mega ...