8051 4x4 Keypad and 7-Segment Display Source Code

[thiru1879]

Pl. any body help me to write c (or) asm code for 8051 to scan the 4x4 matrix key pad & displaed it 7seg display -i'm using 3 digit (000-999) , first digit is to be displayed start from left digit, 2nd digit in middle, last digit right .

 

[KlausST]

Hi,

did you notice the "similar threads" below?

I think there are some good infromations for you.

Klaus

 

[Venkadesh_M]

first digit is to be displayed start from left digit, 2nd digit in middle, last digit right .

what if they are in reverse :roll:

Try some already existing schematic, when you stuck up come here.