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.
We found this circuit in a Poptronics from 1998. The circuit can be extended to more competitors...
May 2017 - Mouser Electronics already has Microchip's new MCP14A0451 and MCP14A0452 integrated...
This step of good gain was obtained in an American publication of the 1980s. The circuit can be...