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.
Okay, so I have a really cool idea in mind, and I'm wondering if it's even feasible for a relatively cheap price.
I want to make a battery life indicator that's powered through an audio port, in say, a phone's, and connected to a green, yellow, and red LED, switching between them based on the...
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