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.
Nice simple circuit. I will replace my Harbor Freight trickle charger, which actually drained my battery twice, with this circuit. Will only keep the wall-wart, which supplies the correct voltage, about 20V DC.
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