Seeking cheap 4x4 keyapd
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I am new to interacting with hardware and am looking for a 4x4 keypad which is cheep and simple to connect & read from.
I am UK based, so a UK supplier is preferable. I probably need detailed instructions on how to connect it
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Thanks very much for your help.
The thing is, I have no idea about GPIO pins & such - do you know how I can find out how to connect it to the Omega 2?