This alarm circuit has a trigger delay system. The circuit was found in a Popular Electronics of the 90s. The components are common.
This voltage inverter uses a small transformer. The circuit was found in the April 1995 issue of...
This circuit was found in an Electronic Design from the 80's. It shows how to use a MOSFET driver with...
This circuit is suggested by General Electric in 1966 documentation. The Triac must match the...