Ameba Arduino: [RTL8722CSM] [RTL8722DM] [RTL8722DM MINI] Use Ameba to retrieve HTTP websites from the internet

Materials

  • AmebaD [RTL8722DM / RTL8722CSM / RTL8722DM MINI] x 1

 

Example


In this example, the HttpClient library is used to retrieve a webpage using the HTTP protocol.
First, make sure that the correct Ameba development board is selected in “Tools” -> “Board”
 

Then open “File” -> “Examples” -> “AmebaHttp” -> “SimpleHttpExample”

4-1

In the sample code, modify the highlighted section to enter the information required (ssid, password, key index) to connect to your WiFi network.

4-2
Upload the code and press the reset button on Ameba once the upload is finished. Open the serial monitor in the Arduino IDE and you can see the information retrieved from the website.

4-3
 
 

Code Reference

Use WiFi.begin() to establish WiFi connection:
https://www.arduino.cc/en/Reference/WiFiBegin

To get the information of a WiFi connection:
Use WiFi.SSID() to get SSID of the current connected network.
https://www.arduino.cc/en/Reference/WiFiSSID
Use WiFi.RSSI() to get the signal strength of the connection.
https://www.arduino.cc/en/Reference/WiFiRSSI
Use WiFi.localIP() to get the IP address of Ameba.
https://www.arduino.cc/en/Reference/WiFiLocalIP
Use WiFiClient to create a client to handle the WiFi connection.
https://www.arduino.cc/en/Reference/WiFiClient
Use HTTPClient to create a client to handle the HTTP connection.
Use http.get() to send a GET request to the website.
 
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Please confirm that QQ communication software is installed