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.
The TLC555 is the CMOS equivalent of the well-known 555 bipolar transistor. It can be used in the...
This circuit, which was common at the time, was found in the February 1973 issue of Radio...
This circuit was found in the used integrated circuit manufacturer's manual. The table beside the...