This circuit, found in a 1958 magazine, is for reference only, since the components are not easy to find today. The transistors are germanium types and power supply is made by common cells.
This 4-digit digital clock is ideal for anyone looking for a TTL project for school. The circuit uses...
The circuit given below was found in the National Semiconductor Linear Applications Handbook. The...
Found in the August 1982 issue of Radio Electronics magazine, this circuit lights LEDs in sequence...