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 used regular RED (labeled "ultrabright") 20mA LEDs operated at only 1mA for a power-on indicator in battery powered equipment, and they are still bright enough to see in sunlight...
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