Found in a 90s Electronic Design, this circuit can be used as a shield in current projects. The circuit provides three levels of signals for triggering loads.
In the figure we have the simple way to use a low current switch or sensor to drive a high power...
This circuit is from a 1992 PE Hobbyst Handbook. The circuit fires an old electronic flash using an...
This new Texas Instruments component consists of an inductive proximity detector that can be used...