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I/OGPIOCommunicationControlAnalogNo ConnectOutputPowerA0 (Bi-Directional)A1 (Bi-Directional)A2 (Bi-Directional)A3 (Bi-Directional)D2 (Bi-Directional)D3 (Bi-Directional)D4 (Bi-Directional)D5 (Bi-Directional)D6 (Bi-Directional)D7 (Bi-Directional)D8 (Bi-Directional)D9 (Bi-Directional)D10 (Bi-Directional)D11 (Bi-Directional)D12 (Bi-Directional)D13 (Bi-Directional)D0/RX (Bi-Directional)D1/TX (Bi-Directional)SCL/A5 (Bi-Directional)SCL/A5 (Bi-Directional)SDA/A4 (Bi-Directional)SDA/A4 (Bi-Directional)~{RESET} (Input)AREF (Input)NC (Not Connected)IOREF (Output)VIN (Power In)+5V (Power Out)3V3 (Power Out)GND (Power In)GND (Power In)GND (Power In)

Arduino_UNO_R3

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