This sewing machine motor control was found in the December 1997 Electronics Now magazine. The half-wave circuit uses a 106-type SCR.
In the figure we have the simplest configuration with a voltage regulator transistor. The voltage...
This circuit originally came out in a Budget Electronics from 1981. The American magazine no...
This circuit was found in an Electronic Design from the 80's. It shows how to use a MOSFET driver with...