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Blog / Project Guides

Arduino projects, tutorials and guides you can build with parts from Arduino Corner.

How to Choose the Right Resistor for an LED

How to Choose the Right Resistor for an LED

Every LED needs a resistor in series with it — leave it out and you’ll burn out the LED, and possibly stress your Arduino pin. But which value? Here’s the simple answer and the reasoning behind it. In short: For…

Digital vs Analog Pins on Arduino Explained

Digital vs Analog Pins on Arduino Explained

Every Arduino has two kinds of pins — digital and analog — and using the wrong kind is a classic beginner trip-up. Here’s the difference in plain terms, and how to know which to use. In short: Digital pins understand…

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