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 circuit was found in an ancient American documentation. The components of the time are not...
August 2017 - Mouser Electronics is already stocked with Silicon Labs' I2C Si705x A10 interface...
In the figure we have the way to use a common multimeter as a field strength meter. RF shock...