This latching light alarm was found in the 1995 Encyclopedia of Electronic Circuits Volume 5. The circuit is powered with 12 V to provide a signal to a power stage.
This simple oscillator with just one transistor has a frequency determined by the characteristics of the...
This Zero Crossing Detector was found in a 1972 RCA manual, but it can be made using any modern...
The circuit shown was found in a Japanese publication from the 1960s. Transistors can be...