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Reply to "Narrow Version of DIY 317 Voltage Regulator Board, with Build Files"

John. This way if I don't get a . Fixed voltage I can swap out 317. To see if it is a 317. The 3 boards that don't have a fixed voltage .solder joints look ok. But that's the only other thing that could be causing it. I can't see any solder that may have touched where it shouldn't be.

I use a magnified headset 

I did find a diagram a guy did to test the 317.

Need like 5 different resistors and switches.  Not sure why he didn't use a trim pot.

 

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