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.
The transistors of this circuit may be general purpose and the power supply comes from the TTL...
We found this circuit with the CMOS4046 in the August 1994 Electronics Now magazine. The circuit is...
This setting appears with variations at various points on this site. This is from a Motorola...