This crowbar circuit for alternating current causes a quick fuse to blow when the load current exceeds a certain value. The circuit is from an American 80's documentation.
This circuit consists of a switched mixer with digital touch control. The circuit was found in old...
This simple alarm with integrated CMOS sounds a piezoelectric transducer when the sensor circuit...
This circuit can also be used as a simple thermoscope (temperature changes indicator) in the...