I have been playing with the debounce example found in the menubackend example. I am able to get this working with four buttons. The problem. I have a multi-directional tactile switch that outputs different resistance based on the direction you push the switch: http://www.mouser.com/ProductDetail/A…

Debounce on a switch with variable resistance

system May 27, 2012, 8:43pm 9

unsigned char button = analogRead(inputPin) >> 2;

Unsigned char? Why? Why not byte?

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