This shield with full-wave triggering was found in the Radio Electronics Experimenter magazine of 1989. The Triac must be according to the load that must be controlled.
The purpose of this circuit found in a 1967 GE SCR manual is to control a heating element. The SCR...
This circuit was published in a 1981 magazine, but it can be easily assembled using a BC548 paraQ1...
This benchtop power supply with various output voltages from 1.5 to 12 V was found in Radio...