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Find many of the parts used on this site at our favorite online electronics shop
A Quick Journey Into DIY Capacitive Touch
Posted November 16, 2013 by Chris
"Presenting ‘6buttons’; a simple six button keypad based on the QProx QT160 charge transfer proximity sensor chip (the brains of the operation). Special mylar capacitors are required for it to work properly. I tried cheap-o ceramics with terrible results."
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