Touch-type FET stepless dimmer

Posted on Mar 28, 2007

Capacitors C2, C3, diode VD2, VD3 and other components simple capacitive half-wave rectifier buck power supply, the entire supply control circuit of electricity, the power supp

Touch-type FET stepless dimmer
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ly by the switch S off control It can be an ordinary small toggle switch, can also be hidden in a lamp on the touch panel key switch, usually switch S open, lamp is not lit, turn on the lights when needed, as long as it is placed on a small doll above, the pressure switch contact is closed, the circuit that is energized work. SI, S2 are respectively used to brighten and dim the touch of a button switch, LED indicator for the circuit.

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