This windshield wiper interval switch was found in the April 1990 issue of Radio Electronics magazine. The circuit uses integrated circuits that are still readily available.
Although indicated in the original publication of the 1980s as a capacitance switch, the circuit...
This circuit was obtained from an English magazine from 1980, but as it uses components that can...
This configuration that appears elsewhere on this site was found in a Popular Electronics of the 1980s. The...