Kit 8 - Dawn/Dusk Light Detector Alarm - Requires Assembly

$11.49 $16.42

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Kit 8  -  Circuit designed around a sensitive photo Darlington transistor and CMOS NAND gate. Circuit detects light and sounds an alarm buzzer. Useful as alarm in cash drawers, refrigerators, etc. Operates on 9VDC. This is a kit and requires full assembly. Our kits are only returnable if they are still in their original packaging.  More details on

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