Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
If you leave out the LM317, then if the solar panel can deliver more than 0.5A, you will still need a current limiter to protect the battery. As a minimum, you will need a power FET to disconnect the panel from the battery when the correct voltage is reached.
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