This circuit has more power than the previous one, since it includes a powerful transistorized stage. The circuit is from Radio Electronics from July 1985. It includes the power supply.
This circuit is intended to trigger a TTL door or flip-flip from a signal coming from an SCR....
This circuit is from a 1979 publication. The sensor consists of plates or screens that, when...
Bipolar transistors are types of general use like BC548, while the power MOSFET can be of any type...