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.
Talking about Arduino UNO, some UNO has built-in LED (L LED permanently connected to 13th pin) in the board and dafault 'blink' program use it to blink the LED. But during other projects, many programs uses same 13th pin for other type of signal out. In this time, the signal has a 1k and a LED...
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