Here are some DIY LDR switch circuits available on our website and the web. LDR switches are used to switch a relay or other device when light are present or absent. LDRs or Light Dependent Resistors ...

It’s easy to skip out on the gym when you’d only have 15 minutes to sweat before running out the door. But that’s the beauty of circuit training: You can get through a total-body, calorie-burning ...

Circuit Scribe: DIY Circuit Kits You'll never believe what you can do with a plain piece of paper paired with the magic of the Circuit Scribe: DIY Circuit Kits. Use the conductive ink pen, sweet ...

Circuit Scribe announced the release of their revolutionary DIY electronic kits, made with just printer paper, a Circuit Scribe pen, and a circuit. A progression from education use to application, the ...

Ever wanted to move Pac-Man using pencil drawings, make music with bananas or type an email with alphabet soup? Now you can thanks to Makey Makey, a simple circuit board that turns almost any object ...

Making PCBs at home is a great means to get your prototype up and running without having to wait weeks for a professionally made board. Regardless if these prototype boards are milled or etched, they ...

The heart of this diy metal detector circuit is the CS209A IC. The metal detector is built with one 100µH coil that has 40 mm in diameter and is made of 50 turns/0.4 mm wire. CS209A has one oscillator ...

If you've built your fair share of custom PCs over the years, you've probably got more than a few circuit boards stashed away. Here's how to turn them into a cool coffee table. It's certainly not ...