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.
Using a 4046 PLL this circuit generates rectangular signals in three wavebands that depend on the...
The circuit shown is from the 1994 Linear Applications Handbook by National Semiconductor. The...
With this circuit it is possible to control two LEDs of different colors, making their color...