Aparna wrote: > There is a wire link to the LCD keypad. the keypad has 12 buttons on it. > namely 1,2,3,4,5,6,7,8,9,0,#,* > the wire has 7 wires one for power and apparently the rest of the 6 wires > represent the 12 keys. > > I wanted to know is there any standard combination for the keys. I cannot > apply power to check it out as I have to be careful not to blow the circuit.
The conclusion from the valued responses you allready received is that there are several possibilities. I want to add the remark that mostly it is very easy to bare the PCB traces of the keypad which will give you a lot more information for deciding which of the mentioned possibilies will be most probable. Regards, Harry -- Author: H.C. Croon INET: [EMAIL PROTECTED] Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 San Diego, California -- Public Internet access / Mailing Lists -------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB CHIPDIR-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).
