The seven segment display has two type, one is common anode and second is common cathode. In this project video we used seven segment as a common anode. Whenever we press button the count value incremented by one (1). We used two seven segment displays so, microcontroller can count value up to 99. Counter start from 00 and ended with 99 value that is two digit up-down counter.
Project Code :Two seven segment displays up-down counter using Microcontroller 89c51 (Keil and Proteus)
EMBEDDED SYSTEM 