This windshield wiper timer was obtained in an 80's Hands On. The transistor can be the BC548 and the relay is 12 V sensitive. The time is set to R3.
We found this circuit in a 1986 documentation, but it can be easily assembled even today by the...
July 2017 - Mouser Electronics announced the availability of Littelfuse's GEN2 series Schottky...
A 25 mVpp applied to the input of this circuit produces in the output a 1 Vpp signal. The...