A long light power control circuit |
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At dawn, the light is irradiated onto the photosensitive resistor RL, it reduces resistance This switch ICs (2) exhibits high electrical foot. I. lC end, the relay K does not s
uck desk, lamp does not light. To r night, dark, darken, the photosensitive resistor RL was high resistance, so lC VJ (2 pin level goes low .IC conduction, the relay K assault units, which normally open contacts K-l cut Taiwan, lamps bright.
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