[mircemk] built a slick-looking LED tester with a couple handy functions built in. Not only can one select a target current to put through an LED, but by providing a target voltage, the system will ...

The simple Diode and LED Tester presented here costs under £5 to build (including all components, the battery and a cheap case) and will indicate the polarity of almost all types of LED and other ...

Add accent lighting, TV backlighting, or custom room lighting by learning how to install LED light strips in your home.

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Megan Wollerton Following a new round of testing, we’ve added the GE Cync Full ...