TV control automatic light circuit

Published:2011/6/27 4:34:00 Author:Ecco | Keyword: TV , control , automatic light | From:SeekIC

Watching TV requires certain brightness around, or a long time watching TV is not conducive to protect eyes. The circuit shown as the chart is the background small lamps lighting circuit controlled by TV. When the TV is turned on, the small lamps will be automatically lit, When the TV is turned off, the lights can automatically turned off, while watching TV during the day, the lights will be blocked and not be lit up automatically. The electromagnetic coil L need to be self-made, you should find the input or output transformer core in an old radio, and cut one side of the coil, the core will change into a U shape.



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