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'd be using Blue LED's. One for each rocker switch as a status LED. I think they might be 3.2v. The bigger the voltage of the LED the more it takes away from the actual item hooked up to the switch, is that how it works ? Or since the items I am using are either 12v or 5 and they are coming...
Hey All,
I am making a simple switch board. All of the items I am wiring to it are around 12v or 5v. I have 4 rocker switches, but what I would like to know if I need a resistor to make it when I select the ON position, the LED will turn on. So the LED acts as a status LED practically...
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