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Double-key touching lamp switch circuit (2)

2016-08-07 23:38  
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Double-key touching lamp switch circuit (2)
As shown in the figure, it is a double-key touching lamp switch circuit compoased of homemade optocoupler and thyristor rectifier circuit. V1 ~ V3can useNH-416, NHO-4L and other small neon bubbles; RL1 , RL2can selectMG45 photosensitive resistor. VTH1, VTH2 can use small plastic MAC94A4 or MAC97A6 bidirectional thyristor, and the power of controlled lamp E should be limited to be lower than 100W.