Found in a 1964 Electronic Design, this circuit for 300 mA loads uses components from that period. It produces a rapid load control trigger.
This conventional window detector circuit was found in a 1995 documentation. The trigger points, that...
Found in a Radio Electronics store from the 90s, this circuit is for cars of that era. The circuit...
This old circuit excites lamps but can be modified to excite high-power LEDs or other loads...