This interesting application of a stepper motor as an encoder serves to test its application possibilities. We found it in the February 1994 issue of Electronics Now magazine.
This circuit activates a machine to dry hands (fan and heater) when the sensor detects the...
The operational used is like the 741. The circuit is from the datasheet and the formula that...
The second order filter shown in the figure is suggested by Texas Instruments, based on the TL081...