Digital Clock | Circuit Diagram Using 7490

: Common anode (for 7447) or common cathode (for 7448).

The clock is divided into three primary modules: seconds, minutes, and hours. Creating the Second Hand - How Digital Clocks Work Digital Clock Circuit Diagram Using 7490

To build a functional six-digit (HH:MM:SS) clock, you will typically need: : Decade counters to track each digit. 6x 7447 or 7448 ICs : BCD to 7-segment decoders. : Common anode (for 7447) or common cathode (for 7448)