The purpose of this circuit is to improve a trigger circuit using a zener diode. The circuit was found in an American documentation from 1964. It can be improved using equivalent modern components.
This circuit activates a water pump when the sensors detect lack of humidity in a vessel, for...
This circuit was found in a 1981 publication and consists of an interesting handicraft game. The...
This dual-gate FET RF signal mixer circuit was found in a 1980s documentation. The circuit is...