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.
This circuit is from 1994 documentation, serving the transmission of analog TV signals that will...
We find this circuit in a Popular Electronics of the 90s. The circuit is passive and the coils...
We found this circuit in the August 1994 Electronics Now magazine. The circuit is based on the...