keypad interface with PIC18f452

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keypad interface with PIC18f452

Postby yasotha padmanathan » Sun Dec 18, 2011 2:18 am

hi,

i need c coding for testing my keypad interfacing with PIC18f452. the output is shown with LEDs. If i press key no.1, the led will blink. if i press 2, the led off. if i press 3, the led shows diff pattern n so on. This is for the testing the functionality of the keypad & micro-controller together. Im using MPLAb. Any1, plz help me with the keypad connection diagram with codings plz...need it urgently for my final year project. Thx in advance!
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Re: keypad interface with PIC18f452

Postby sich » Sun Dec 18, 2011 2:33 pm

May be have a look at PR9-B first?
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Re: keypad interface with PIC18f452

Postby shahrul » Sun Dec 18, 2011 10:48 pm

Example code keypad + 7 segment.
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