This TTL counter was found in the April 1979 issue of Radio Electronics magazine. The circuit is powered by 5 V and has a pulse generator for educational or experimental purposes.
This circuit can be used as a time automation for driving motors in robotics and mechatronics. What we have...
The source used in this timer is of the type without transformer and regulated by the 7 W zener. The...
This trigger-delay circuit was found in a 1960s General Electric unijunction transistor manual. The...