howie
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Keypad Matrix
Hello to all..
Can someone give me an idea on how to construct a circuit given the attached 5x3 keypad matrix below. I need to minimize GPIOs into "4" from the given 8 GPIOs?
Regards to all.
Hello to all..
Can someone give me an idea on how to construct a circuit given the attached 5x3 keypad matrix below. I need to minimize GPIOs into "4" from the given 8 GPIOs?
Regards to all.