The movement of the LEDs in this circuit mimics the back-and-forth movement of a pendulum, making it suitable for clock projects. The circuit is from a Radio Electronics magazine from May 1978.
This 1968 documentation circuit uses a relay to control loads up to 1 kW (depends on relay...
We found this conventional receiver circuit in a 1990 documentation. The circuit includes an audio...
This circuit for the positive front of a rectangular signal was found in an old documentation, but applies...