Without regulation, this basic circuit has the output current, and voltage determined by the transformer. The input can be 110 V and 220 V if the transformer used is of the indicated type.
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...