This circuit was found in a Radio Electronics from the 90's. It provides lower frequency signals from a 10 MHz pattern generator.
This circuit can be used to set the compass for walks or exercises, being small enough to be...
This timer triggers high-powered loads powered by the power grid. Times are given by C1 and the...
This circuit is from 1995 documentation. In the original, the source is symmetrical at 12 V, but...