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.
With this circuit you can control up to 3 A of LEDs in different sequences, using a PWM...
This is the typical circuit of a 60's tape recorder. The circuit uses only two transistors and has a...
This application is from a circuit manual from the 90s and only works with incandescent lamps. The triac...