Do a keypad works exactly like a membrane?

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2

davila17:
for my project I have a keypad but it is so big and awfull i want to kno if i could use a membrane

Thanks

Most keypads are membranes. Those are the cheapest. Here are some alternatives:

Membrane keypad for reference:

Don't forget you can wire it yourself, a keypad is just a matrix of switches. 12 switches at 4 cents each is 48 cents plus whatever the wire costs you.