GitHub - JAndrassy/UnoWiFiDevEdSerial1: Implements Serial1 of Arduino Uno WiFi Developer Edition board to access the on-board ESP8266
Serial - Can I Use Serial Component to Read from a USB Device? - MIT App Inventor Help - MIT App Inventor Community
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Arduino Nano/Micro/ProMini - Using Serial and Serial1 - Networking, Protocols, and Devices - Arduino Forum
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serial communication - Issue regarding TX line of Arduino while communicating with Vending machine via MDB Protocol over USART - Stack Overflow
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