Greetings all!
I picked up this nifty keypad/lcd combo device from a surplus electronics store recently for a couple of bucks.
After spending some time researching it online, I can't find a single page with references to any of the "part numbers" on the device... and it doesn't have any particular "model" associated with it. Somewhat of a bastardized device, really.
So the question is this... does anyone know of a good way to identify it's connectivity? It's got a 26 pin ribbon cable coming out the back of it, but I don't even know where to begin... which pin gets power and how much? Which pins can I experiment reading from using my Arduino... the list goes on.
I'm very new to electronics, so I picked this thing up thinking it might be fun to tinker with but sadly no information can be found online. The surplus store I found it at couldn't tell me anything about it and didn't have a data sheet for it.
The only thing I can tell from looking it over carefully is which pins go to which part of the device... (certain pins on the cable go to LCD, keypad, and backlight for LCD)
LCD uses 14 pins...
LCD backlight uses 3 pins...
Keypad uses 9 pins...
Any help/advice/insight you can offer would be much appreciated!
Picture can be found here: http://www.kasiemoon.com/arduino/keypad_and_lcd.jpg
Thank you!