Handmade membrane keypad, and the Arduino application

The author has done a beautiful job with handmade membrane is quite an original view is a little tricky, but it works in the prototype experiments, a thin copper foil pieces of the paper it’s printed … wiring diagram of the necessary connections being made that is being cut and pasted.. in addition, there is an Arduino example code to test the keypad membrane.

Arduino membrane keypad




source: paulbleisch.com/blog/2015/01/19/custom-arduino-membrane-keypad/

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