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.
I have new project - I'm building boombox with 12v battery like that:
http://www.zbattery.com/B-B-12V-20Ah-10-hr-rate-Sealed-Lead-Acid-Battery
Now, I want to build electronic circuit that when I'll push a switch, one of three LEDs will turn on:
If the battery is full charged, the green led...
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