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Two-Down-One


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This is Two-Down-One circuit. It is Alarm circuit control by SW1. display with Bell electronics.
The detail more please see in image.



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This entry was posted on Monday, May 14th, 2007 at 8:25 pm and is filed under Audio - Alarm, Power supply, basic electronics. You can follow any responses to this entry through the RSS 2.0 feed.