This interesting circuit, from a digital documentation two years 1978 shows how to implement a circuit that measures the position or angle of a stepper motor controlled by a microcontroller.
This circuit, which presents a certain danger and should be used with caution, was found in the...
Found in American documentation from the 1970s, this circuit is intended for amplifying analog TV...
This dimmer configuration is quite old, as it was found in a 1967 publication. The triac can be of...