RTL8722DM to retrieve HTTP websites from internet

Using HttpClient library to retrieve a webpage using the HTTP protocol

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HttpClient is a client that is able to send a request to and get a response from the server in HTTP format.

Ameba RTL8722DM is a low-power dual-band WLAN and Bluetooth Low Energy SoC by Realtek. The RTL8722DM also include memory for Wi-Fi protocol functions and application making it simple for anyone to develop various kind of IoT applications. At the same time it has a wide range of peripheral interfaces. With all these interfaces, it can connect to most of the electronics components like LEDs, temperature and humidity sensors, and so on.

In this project, the HttpClient library is used to retrieve a webpage using the HTTP protocol.

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  • 1 × Ameba RTL8722DM microcontroller

  • 1

    First, make sure that the correct Ameba development boar is selected in "Tools" -> "Board"

  • 2

    The programming of the Ameba RTL8722DM can be done using Arduino IDE which makes it very easy to write code and upload to the Ameba board.

    First, to open the source code in Arduino IDE, Open "File" -> "Examples" -> "AmebaHttp" -> "SimpleHttpExample".

    Next, in the sample code, modify the highlighted section to enter the information required (SSID, PASSWORD, KEY INDEX ) to connect to your Wi-Fi network.

    Lastly, verify and upload the code on the Arduino IDE and press the reset button on Ameba.

  • 3
    Final Results!

    Once the upload is complete, Open the serial monitor in the Arduino IDE and you can see the information retrieved from the website.

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