This circuit was found in an article in Radio Electronics magazine. The issue is from July 1992 and the circuit uses components that are common today.
August 2017 - The PIC32MM microcontrollers of the Microchip 32-Bit Family can be obtained from...
This conventional slow-moving circuit uses incandescent light bulbs, but can be changed to use...
Suggested by a 1968 Philips documentation this Eccles Jordan rocker as it was called can operate...