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    2n2222 npn transistor voltage question

    So im working on a project and Im using a diagram I found on this forum but I want to alter it a little. The transistor on the right is a 2n2222 npn transistor. I want to change the 9v to 24v. Ive been looking up datasheets on it and I think it will do what I want but I wanted to get a second...
  2. L

    Problem Using Bipolar Transistor as a Switch

    Im new here and Im currently working on a small IR encoder project. I have the encoder working great but now I need to use the 5vdc signal that comes from the encoder and make it 24vdc. I am currently trying to use a bipolar transistor but its not working. The basic diagram that Im going off of...