This circuit has more power than the previous one, since it includes a powerful transistorized stage. The circuit is from Radio Electronics from July 1985. It includes the power supply.
Found in a 300 Circuits from the 90s, this circuit can deliver a maximum current of 50 mA. The...
In the figure we have the way to control a triac with a low current and low voltage switch,...
This circuit generates sinusoidal signals that depend on the input oscillator. The circuit is from...