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#11

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04-14-2017, 11:16 AM

abdou2014

abdou2014 is offline

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Join Date: Mar 2014

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About 3 meters from test field , About my friend R3, R4 and C1 as the schematic, Two battery 9V that is to say 18v Connect with LM7812, he told the gain decreases alone and slowly, exp : If it sets the gain potentiometer to a point where the led flashes, after a few seconds the led turns off , and the sensitivity decrease ???

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