Quadrature counter

@Yasunari

2 years ago

https://everycircuit.com/circuit/5110184585986048

Quadrature counter using 555s. Clock by 555, count by 555, 7-segment decode by 555...555 is a versatile IC. I used the circuit here as a reference. http://www.pmonta.com/555-contest/logic/logic.html