DIY Electronics Guides

This short video shows how to troubleshoot an Audio Mixer using both a multimeter and an audio probe. While focused on the AI002 DIY Mixer Kit, the ideas are applicable to any audio circuit.

Eurorack Power Guide Power can be tricky. Most of us come to modular having never used a bi-polar power supply, and now we have to measure and understand the dark art of power. To try to clear up this confusion, I've written this Eurorack power guide. That...

Build a Modular Synth on a Budget I am not a rich person, but if you saw my modular system, you might think I was. When I decided to pursue modular, I knew I would have to do so on a budget, so I developed a system to build a modular synth on a budget. Build Three,...

I had been hearing a bit of buzz about the DSO138 Digital Oscilloscope, and I wanted to make a demo video for the AI003 Looping ADSR Envelope Generator DIY Kit, so I figured I would give it a shot. I already have an older Tektronix scope that I love on the bench, but...

  Resistors are one of the most common electronic parts that you’ll use, and their primary purpose is to add resistance to a circuit. The higher the resistance, the lower the current will be in the circuit. Typically a resistor is used to either limit current or...