Design and Construction of the Digital Interruption Counter

Kalayar Win, May Zaw Tun
2020 International Journal of Engineering Research and Advanced Technology  
Nowadays the electronic digital interruption counter is very popular. It counts and records automatically the number of objects passing on a conveyor belt or the people entering or leaving any place through a particular gate. The interruption of light beam in this circuit is counted in three digits up to 999. The digital interruption counter circuit is constructed by using locally available electronic components. The circuit is very simple and construct with TTL integrated circuits.
doi:10.31695/ijerat.2020.3617 fatcat:abfjyfrjgrbkjcedwkiuhl6seq