How to Make Your Own Emission Control Leak Detector
Make a cheap smoke machine for detecting leaks in your emission control system.
Continue ReadingMake a cheap smoke machine for detecting leaks in your emission control system.
Continue Reading3D print a PantoProbe, a simple device for amplifying your probe precision in electronics testing.
Continue ReadingA quick and easy way of tracing connections on a printed circuit board.
Continue ReadingThis troubleshooting guide is a must-have resource for any 3D printer.
Continue ReadingBuilding upon my last video, I’ve decided to make a simple circuit using some op-amps. One is the general op-amp LM741. The other is a specific op-amp, LM386, that is designed for audio amplification. This circuit can be used to amplify microphones or be used as a circuit sniffer depending on what you connect to […]
Continue ReadingJohn Graham-Cumming asks this holiday lights question and provides a nerd-friendly troubleshooting solution.
Continue ReadingThe low-down on Christmas tree lights and how to fix them.
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