mexfi571
Newbie level 4
Now i didn't understand this matrix keyboard working. do we programme outs of PIC and it becomes ground? Anyone can help me?Thanks for helpings friends.[/b]
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asic1984 said:hi
the idea behind matrix keyboard with pic ........is scanning
for your matrix for example u have 3 columns and 3 rows
u will need 6 pins from the pic 3 inputs to read which putton is clicked
3 output to make the loop of the scanning
see :
https://www.dribin.org/dave/keyboard/one_html/
best wishes