Signal Detecting Auto Power-On Unit

Posted on Dec 31, 2012

How many times have you wished that there was a simple way to turn on that sub-woofer or some other piece of audio equipment, simply by sending it a signal? This ability is fairly common in commercial subs and some other gear, but there seems to be a complete absence of circuits on the net, and they seem completely unavailable as an add-on device.

Signal Detecting Auto Power-On Unit
Click here to download the full size of the above Circuit.

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