This circuit is from a Radio Electronics from August 1992. The transistor used allows the control of motors up to about 5 A. It must be equipped with a heat sink.
A way to avoid the influence of ambient light, or even the action of external light sources on the...
We found this simple oscillator in a publication for radio amateurs in 1974. The transistor can be...
This circuit was found in the Radio Electronics magazine in an article about emitter-coupled...