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.
This simple circuit indicates when the two channels of stereo equipment are balanced. The diodes can...
The circuit shown in the figure is suggested by Micrel, based on the MIC2570 boost voltage...
May 2017 - ROHM is announcing the availability through Mouser Electronics of a broad line of fast...