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Questions tagged [demultiplex]

Demultiplex (DEMUX) is the reverse of the multiplex (MUX) process – combining multiple unrelated analog or digital signal streams into one signal over a single shared medium.

Demultiplex (DEMUX) is the reverse of the multiplex (MUX) process – combining multiple unrelated analog or digital signal streams into one signal over a single shared medium.

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Is it possible to read multiple buttons with the CD74HC4067?

I am working on a project with a claw machine. I am working on this chip (CD4067BE which is equivalent to the CD74HC4067) and I was wondering: can I read more than one button with the CD4067? I tried the following code, and it works great, but when…
Austin
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Does this sound like a good approach to decoding a dumb keypad?

The background: I bought a "dumb" 8-pin 4x4 keypad for use in a project. (This one: https://www.sparkfun.com/products/14881 It has a wire connected to each row, and a wire connected to each column. When you press a key, it connects a row pin and a…
Duncan C
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