Found in American documentation from 1968, this circuit uses both diodes and a neon lamp to generate a 4-step ladder. Observe the signal voltage.
This circuit activates a garage door by the car headlights car or a lantern. The circuit is from a...
We found this circuit in the March 1992 issue of Radio Electronics magazine. The circuit has a...
This circuit was found in a 1965 Electronics Design. The configuration can be applied to current...