2 identical modules are their. Each module having 8051,keypad and LCD. what i have done in any of the keypad the same operation also should effect in the another module. For EX: TWO modules ,one module having the key pad KP1 and the other module having the keypad KP2. if i pressing the KP1 of Up button the same operation should perform in KP2.
could you inform how can i handle this operation?
Regards , siva