This simple 4093-based audio peak detector from December 2004 monitors music and turns on a small light when the sound gets ...

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 ...

Available as PCB-only or with matching enclosure and components, the new kits include designs inspired by vintage Tone Bender and Dallas-Arbiter Fuzz Face circuits and more When you purchase through ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. If you´ve ever wanted to learn about building your own effects pedals but don´t have a clue where ...

Here’s something for the inner romantics and DIY circuit board assemblers in all of us. Yes, I’m talking to you, my friend; soldering iron in one hand, PCB board in the other, pining to tell your ...

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 ...

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 ...

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 ...

Whether you’re new to electronics and programming, or you were bit-banging bare metal long before hair metal, CircuitPython is a great tool for getting a project up and working without all the fuss.