Found in an Electronic Design and 1970s, this circuit uses transistors of the time. The transistors can be replaced with equivalents and the relay is 12 V depending on the power supply.
Toshiba is selling through Mouser Electronics its high current SSM3 MOSFETs Series for mobile...
This lamp flasher configuration using an astable multivibrator is from a 1968 publication. The...
This approach alarm was found in Radio Electronics from July 1990. The circuit must be powered by a...