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Sound Operated Switch
Posted on Tuesday, October 19, 2010   •   Category: Miscellaneous

Sound Operated Switch

This sensitive sound operated switch can be used with a dynamic microphone insert as above, or be used with an electric (ECM) microphone.

     Sound Operated Switch
     Switching 110VAC - Relays vs. Solid State
     Off Line-UPS Offers (100 -5000 Watts)
     12V Fluorescent Light Inverter
     Lightning Detector
     AC Power Meter
     Plane Motor Controller with High-Rate ESC, BEC and Brake
     Horsepower Monitor
     Arduino DCC Decoder
     Electronic Mosquito Repeller
Sound Operated Switch

 

Build Accurate LC Meter and start making your own coils and inductors. This LC Meter allows to measure incredibly small inductances making it perfect tool for making all types of RF coils. LC Meter can measure inductances starting from 10nH - 1000nH, 1uH - 1000uH, 1mH - 100mH and capacitances from 0.1pF up to 900nF. The circuit includes an auto ranging and reset function to make sure the readings are as accurate as possible ... [more]



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