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keypad and lcd on the same port

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babatundeawe

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can anyone help with implementing keypad and lcd on the same port and also using a keypad on just four pins of pic micro. proton basic most preffered. but if not. lease give good explanation
 

chanchal.chauhan

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Please give some more details explanation about your project.
We cant use same port for LCD and Keypad.

Regards
Chanchal
 

bobcat1

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Hi

You can maximum connect 4 Key (4 lines) 2x2 matrix

If you are a newbee the software will be a bit complicated task but it can be done

For schematic search EDN design idea section for keypad

All the best

Bobi

The microcontroller specialist
 

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