help :Keypad 4*3 + 18f452

nc56 · Post by **nc56** » Fri Dec 07, 2012 8:42 pm

Hi
Does someone try to use the keypad 4*3 with PortB using 18F452
It's working in porteus , I connected the pull down resistor in my card but it doesn't work
Thanks

Enamul · Post by **Enamul** » Fri Dec 07, 2012 10:23 pm

Here is an example code using Fcv4 for 4*3 keypad. If you can post the keypad schematic you are using; We can help you more.

nc56 · Post by **nc56** » Sat Dec 08, 2012 9:10 am

I solved the half of the problem , it was problem of pull down
all the key work only colomn 2

nc56 · Post by **nc56** » Sun Dec 09, 2012 10:09 am

the key of my keypad are not like normal keypad
that's why I had the problem
Thanks

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help :Keypad 4*3 + 18f452

help :Keypad 4*3 + 18f452

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