View Full Version : bs2 keypad interface help

02-03-2010, 09:58 AM
I have a grayhill g-97-125-j-9817 keypad and i want to be able to type in a code and if its right, activate 1 relar, and if its wrong, activate another relay. i need code and schematics. i dont have a clue how to wire this or code it. please help me out, i'd really appreciate it! thnkx!

Oper8r Al
02-03-2010, 11:16 AM
Check this nuts and volts column it should help you with writing your own code.

www.parallax.com/Portals/0/Downloads/docs/cols/nv/vol1/col/nv22.pdf (http://www.parallax.com/Portals/0/Downloads/docs/cols/nv/vol1/col/nv22.pdf)

and one more that should help

www.parallax.com/Portals/0/Downloads/docs/cols/nv/vol4/col/nv97.pdf (http://www.parallax.com/Portals/0/Downloads/docs/cols/nv/vol4/col/nv97.pdf)

hope this helps.


02-03-2010, 02:03 PM
If it's a matrix keypad, you can take a look at this website: (last project) http://www.qsl.net/wd4bis/bstamp.htm

02-04-2010, 05:35 AM