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Getting Started with Arduino – Beginner's Tutorial to Open-Source Hardware Prototyping with Arduino Uno - CIRCUITSTATE Electronics
UNO R3 | Arduino Documentation
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![Amazon.com: Arduino UNO REV3 [A000066] : Electronics](https://m.media-amazon.com/images/I/71z22cRPeeL._AC_UF894,1000_QL80_.jpg "Amazon.com: Arduino UNO REV3 [A000066] : Electronics")