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Arduino UNO R4 Minima (store / docs) - base version. Arduino UNO R4 WiFi ( store / docs ) - version with a Wi-Fi/Bluetooth module (ESP32) and a 12x8 LED matrix. This major change will introduce many ...
Both the Arduino Nano and Uno can be powered via their integrated USB connectors. This automatically supplies regulated 5V power to the board, allowing you to use any USB-supported power source ...