This sequential circuit of LEDs was found in a Popular Electronics from the 90s. The circuit can be programmed and an adaptation consists of using optical couplers to drive power loads.
Mouser Electronics is now offering a reference design board from ST Microelectronics STEVAL-WESU1...
Found in Popular Elecronics, this configuration also appears in this section, but obtained from other...
The circuit shown in the figure can be used on a data transfer bus using an appropriate family...