Gordon has posted new info and pics on justDIY for his capacitive touch pad project. Happy with the results of the prototype, he sent off the PCB design for fabbing. He added a 2×8 header to the board, for use with a ribbon cable. He also increased the values on the caps, settling on polyester film 220 nF (double what he used on the prototype).
Capacitive Sensing Continued – Link
Related:
- Six-button capacitive touch pad – Link
2 thoughts on “Capacitive touch pad update”
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arduino has all features for capacitive touch sensing built in:
http://www.arduino.cc/playground/Code/CapacitiveSensor