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  1. jeff1

    LM317 Variable power supply

    Thanks for the help. The package for the lm317 is not clear as to which side is down. I got it working and am using it for a 4-H Fair as a demonstrations. Thanks for all the help.
  2. jeff1

    LM317 Variable power supply

    I bought the lm317t from radio shack. It shows on the package that 2 is the out or the middle pin. As the picture goes I think with the pins pointing down looking at the thing with the heat sink part laying on the table pin 3 is on the left and then pin 2 is center and pin one is right. Here is...
  3. jeff1

    LM317 Variable power supply

    I tried it with this and i have a two amp fuse on one side of the input and it is blowing???
  4. jeff1

    LM317 Variable power supply

    Hello, i was wondering if it was possible to use a 450 ma 25 volt transformer on this lm317 power supply
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