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How to build a Stereo Hydrophone (not finished)
Underwater Microphone (Hydrophone)
Balanced piezo contact microphones
Create the Arduino driven LED growbox
Hear Fish talk & Whales sing How to make low cost Hydrophone-Also Find your pool leak
Sugru sealed contact mic. Mic de contacto sellado con sugru.
Saving Wilted Greens
Make a pull down green screen wall
Posted:Mar 29, 2009
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