Tutorial 6 - Help with interfacing a keypad

[Fluroblue]

im using my keypad now and ive finished it. a problem ive come across is that when i press the buttons its not matching, i wasnt sure how the connections from the keypad to the board went so i just put lined them up like in the schematic, so i think thats the problem. so if you guys know plz tell







(Edited - I have moved this post here to give it it's own topic. bitfogav)

[bitfogav]

Hi Fluroblue,

Sounds to me that you connected your keypad incorrectly, heres some diagrams which might help you connect up the keypad correctly

Hope this Helps.

3x4keypad.jpg (36.29 KiB) Viewed 21845 times

[Fluroblue]

Brilliant! it works thanks for that!

[brad]

Nice work bitfogav!

[nodoubtman]

Hi! I have bought this keypad : http://www.abra-electronics.com/product ... rrencyId=2

it got 8 pins, i cannot find the datasheet, someone can help me with these pins according to brad tutorial?

thanks a bunch!
marC:)

[brad]

I just did a google search for keypad pinout and it had this image. It could be what you need.



(Image from http://talkingelectronics.com/pay/PIC/PIC-Page21.html)

[nodoubtman]

I just did a google search for keypad pinout and it had this image. It could be what you need.



(Image from http://talkingelectronics.com/pay/PIC/PIC-Page21.html)

thank you so much brad! i will let you know how it goes

thanks!
marC:)