Found in an old English publication, this circuit applies to the 240 V network, but can be changed to lower voltages. Transistors are mostly general-purpose, admitting modern equivalents.
If the reader has an old MSX still working, it can be used as a microcontroller for your robotics...
This circuit was found in a 1993 Electronics Hobbyst Handbook. The circuit operates in the FM...
In the figure we have the way to simulate an SCR using two complementary general-purpose...