Simple dimming lights circuit diagram

The figure is a simple dimming lights line, the light is adjusted by the multi-speed control switch K. When K to position "1" lights out; when K to position "2", the light

shimmering through the capacitive connection; when K to position "3", the half-wave rectified by the diode power to the lamp power supply, lamp brightness about half the usual; when K to position "4", the lamp at rated voltage, the brightness of the brightest.

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