An AC Hum Touch Button

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Uploaded by on Jan 25, 2011

Link to page: http://pcbheaven.com/circuitpages/AC_Hum_Touch_Button

The AC Hum touch sensor is a special touch sensing technique, rarely used for switching applications. Because it has only one electrode, it is often confused with the capacitance touch sensor, but that is not true. In this page i make a simple pushbutton and an ON-OFF switch to demonstrate this method.

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  • So the last circuit build acts like the house hold touch on and off lamps. Very nice build.

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