EMF(Electromagnetic Field) Detector

This is a quick and easy instructable on how to make your own EMF Detector. You can use it to detect electromagnetic fields produced by your electronics. I like how the addition of the piezo buzzer makes it sound like a geiger counter for detecting radiation. Things You Will Need 1. Arduino or ...
By: Proto G

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[original story: Instructables]

Instructables 26 Apr 06:33