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bveina
modified 4 years ago

Ece 263 4x4 keyboard matrix scanner

1
0
302
03:36:11
A kludge 2 to 4 decoder drives a 4x4 matrix to show how a microcontroller could read 16 buttons from 8 io pins. Or gate act as high impedance buffers and the 10 ohm resistors help show what happens with key ghosting.
published 4 years ago

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