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Arduino Forum I know there is a problem is my circuit but I cant find it (Learning the basics)

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I know there is a problem is my circuit but I cant find it (Learning the basics)

the_future over 9 years ago

Cant seem to find a problem here or improvements but i know there should be one! could you please help me

point out away to improve my diagram thanks everyone

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0 gihu over 9 years ago

Maybe only inverting each diode of the bridge (D1, D2, D3 and D4)? Remain PNP transistors. Then you get regulated negative voltage? But we still have the problem with the model of the transistors...
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0 gihu over 9 years ago

Maybe only inverting each diode of the bridge (D1, D2, D3 and D4)? Remain PNP transistors. Then you get regulated negative voltage? But we still have the problem with the model of the transistors...
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