I am having some trouble with my keypad. I build my code, then use PICUSB to write the
hex file. The busy light comes on, then when it turns off, I switch from PRG to RUN.
However, my keypad does not work at this point. At one point in my code, I am prompted
to enter how many balls I want to dispense in Can1. But when I press a key on the
keypad, it does not show up, and the program does not proceed.
However, if I switch back to PRG, turn the board OFF,…
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