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.
Here is what happend the batteries that were in it leaked and you can see some white crust. I don't know how safe it would be to just put new batteries in it. It uses 9v worth of AA bateries. Is there any way to clean it and make it safe? It still works but I am worried about the new batteries...
I am having trouble finding a good circuit to control the speed of a motor that can only handle up to three volts. It does not have to be precise but I would like to have a good range of speed. (rpm) It would make it easier to have 6 volts for the input and then a range of 0/3 volts for the...
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