This circuit of a Popular Electronics is intended to control a wiper. The circuit consists of a relaxation oscillator with unusual component. The relay must be sensitive.
Found in the July 1968 Supertena Bulletin of a Popular Electronics, this receiver makes use of the...
This switching source was obtained in a 1976 National Semiconductor manual. For the indicated...
This configuration appears several times on this site. The circuit can generate a 100 kHz or other...