Circuits for Hobbyists - a Collection of Schematics to Build

More Circuits:

Timer Project with Gong

This is a timer project I recently made. I am really into productivity techniques and I think using the Pomodoro technique is a nice way of working when you need to be productive. You work hard for 25 minutes, then take a 5 minute break. Also, I have found that the sound of a gong […]

The Simplest Amplifier Circuit Diagram

I have been looking for a good stereo amplifier circuit diagram for a long time. I am not a HiFi geek, I just wanted to build a simple stereo amplifier that could drive some speakers for my desktop computer. All the schematic diagrams that I could find seemed to involve lots of hard-to-find components or […]

Radar Circuit Examples

There are so many cool things you can make with mini radar circuits. I thought I’d share some examples from my time in the radar business. Then end with a few examples of where you can get a hold of a radar circuit. Just to be clear: A radar is a sensor that uses electromagnetic […]