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Recommend a microcontroller for keypad that interfaces with LCD/serial port

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gg

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My keypad is microcontroller based. It has to interface with LCD display and serial port. Any recomendation on what type of microcontroller to use?
 


Re: Keypad

Can anyone provide information on which specified microchip to use to programme my keypad??
 

Re: Keypad

Can anyone tell the details on how a keypad work?
 

Re: Keypad

Can anyone tell me is it possible using pic16f84 for serial port transmission, LCD display and keypad? I scare that pic16f84 dont have enough port.
 

Re: Keypad

you can use pic16f876

see this pic

S 8O krat
 

Re: Keypad

I don't see any voltage supplied to the keypad. How can the PIC detect that the button is pressed??
 

Re: Keypad

HI gg

why you need power supply for keypad?

ommm

ok read this




and this





SOKRAT
 

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