We found this circuit in the November 1992 Radio Electronics magazine. The circuit uses an LDR as a sensor and the transistor can be any general-purpose transistor.
This circuit was obtained in the SGS manual of linear integrated circuits of 1982. The maximum...
Found in a Hands-On Electornics, this touch biestable can control loads that depend on the SCR....
The purpose of this circuit is to keep the speed of a small 100 mA direct current motor constant. The...