The Arduino UNO is the most common Atmega328P Breakout Board. This board uses the same chip as the Pro Mini, but in a more beginner-friendly large size like you'll find on many online tutorials and project outlines. Great for total beginners looking to get started with Arduino.
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The Arduino UNO is the most commonly referenced Arduino board. Great for complete beginners looking to follow online tutorials and build beginner projects to get familiar with the Arduino framework.
Looking for a smaller size and more cost effective UNO solution? The Pro Mini Atmega328P Breakout Board uses the same exact chip in just 1/3 the size!
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