It counts from 0 to 99 using a 555 timer, 4520 IC and two 4511 ICs. Each 4511 connects to a 7-segment display, one for units and one for tens. It counts about 1/3 faster than normal time. When the push button is pressed it resets the displays back to 0.
Fancy Camera :P
TCCflow 1 week ago
This is pretty sweet. Can you share what book your using? I want to get into this also!!
AndrewLitton 1 month ago