AC/DC darkroom safelight circuit

Published:2011/5/26 21:13:00 Author:Christina | Keyword: AC, DC, darkroom, safelight | From:SeekIC

This circuit has the function of non-contactor auto-convert switch, and it uses the orange color LED. When the power supply is normal, the rectifying power supply supplies power to the LED; when the power is failure, the battery E supplies power to LED through BG. Once the city electricity recovers, BG automaticly cuts off.



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