Found in a 1967 publication by General Electric, this control is intended for motors up to 2 A according to the SCR used. Higher current equivalent SCRs can be used.
This circuit was obtained in the publication 101 Electronics Projects of 1979. The circuit can...
Currents up to 1.5 A can be regulated with this circuit. The resistor R that determines the...
An interesting possibility of use for the 555 CMOS is as a low consumption LED flasher, as shown. In...