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For Arduino UNO Wifi, you have to use library "UnoWiFi-Developer-Edition-Lib". You can directly download and install it through library manager or can get it offline through the following link "https://github.com/arduino-libraries/UnoWiFi-Developer-Edition-Lib". Hope this can help you.


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Arduino Uno WiFi Dev Ed has the on-board esp8266 wired to additional Serial interface (I2C to Serial adapter). With UnoWiFiDevEdSerial1 library you can use the on-board esp8266 and have Serial free for Serial Monitor and sketch upload. The EspProxy tool enables upload to the on-board esp8266 over the ATmega (passing bytes between Serial and Serial1). I am ...


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Do you have access to the Webgui? with the Webgui you can configure the wifi settings. you do not need to upload sketches for this. It is a good test if there is no defect. Connect your PC Wi-Fi or with your smartphone directly to the Aduino uno wifi. Start your browser and type in the following IP: 192.168.240.1 and now you should see the WebGUI.


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The reason why "Arduino WiFi Dev Ed" USB upload sometimes doesn't work, is the esp8266 connected to UART of Atmega for the OTA upload. If esp8266 doesn't boot, it doesn't set pin 4 to disconnect from Atmega UART and the connection to UART stays and disturbs the upload from IDE. The esp8266 hangs sometimes, because it has pin 2 floating on this board, but ...


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