Hi, pobably the solution is already posted in the forum but I couldn't find it. I have 10 buttons but only 7 digital Pins (no analog in or output is left). They will not be pressed at the same time. It should be possible to code these buttons onto 4 pins (16 possible combinations) or even in seri…

How to read more Buttons than pins avaliable?

system April 15, 2012, 9:13am 2

I guess using two shift register like the 74hc595 and four buttons. But I'm a pretty NooB with electronics

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