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Arduino UNO Rev3; 16MHz Clock Rate; 32KB Flash Memory; 1KB EEPROM; ATmega328P Microcontroller - Micro Center
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Uno R3 Official Box Atmega16u2 / Uno+wifi R3 Original Atmega328p Chip Ch340g For Arduino Uno R3 Development Board Wemos Esp8266 - Integrated Circuits - AliExpress
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