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Want a quick and easy EMF reader? All you need is an amplifier and a microphone. The mic will pick up the electromagnetic noise from around you and ...
I used a suction cup telephone mic [generally used to record telephone calls] and a battery powered mini amp I picked up from Radio Shack. Plug the mic ...
Turn the volume of the amp to about halfway. If you're not in a Faraday cage, you'll hear a low level buzz. This is the 60 hz background ...
Position the mic over the EMF source you'd like to listen to [a PC is pretty interesting] and you'll hear the feedback change. Check out the video for ...
How to get HDMI & Optical audio on Sony STR-DG720by circuitmage
Basic recording and editing with Audacityby woodworker123
Arduino EL wire controller (sound activated)by megazoic
Take audio from YouTubeby clement52
USB foot controller/looperby Matlek
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