Building the minutes and seconds for my clock: Breadboard clock part 4
Ben Eater · 27:36
The video builds the seconds and minutes sections of a digital clock from 74LS90 decade counters, 74LS92 divide-by-12 counters (wired as divide-by-6) and CD4511 BCD-to-seven-segment decoders. It also adds a heatsink o...