Username reillyp
Member Since May 16, 2012

reillyp's Public Circuits:

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USB Powered Audio Trigger

USB Powered Audio Trigger PUBLIC

Purpose: Using the power from a USB port and an audio signal from the headphone jack this circuit produces a signal which may be used to trigger other devices such as relays etc.

by reillyp | updated August 08, 2012

audio   trigger   usb