circuit lesson

  1. Peter Evans

    Building Energy Stick for my science class

    I am on my second and more advanced version of an energy stick for my elementary level science electronics class. The first version is working well. I have provided a schematic. I want to use this circuit with two 2N2222s to switch an IRLZ44 that will turn on a 9-12V LED powered by a Lipo 3.7V...
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