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Arduino Uno R4 WiFi WiFiSSLClient does not work
I run the example of Arduino IDE → WiFiS3 → WiFiWebClientSSL that uses WiFiSSLClient class to makes an HTTPS request using Arduino Uno R4 WiFi. You can do it by follow the below . However, it does not work. How to solve it?
Answer
TL;DR:
Firstly, make sure that you update the correct WiFi information (SSID and PASS) of your home WiFi network.
Secondly, You need to update the latest firmware version of WiFi module on Arduino Uno R4 WiFi. You can do it by following the below steps:
- Connect your Arduino Uno R4 WiFi to your PC
- Open Arduino IDE 2
- Go to Tools Firmware Updater
- Select the Arduino Uno R4 WiFi board and port
- Click CHECK UPDATES button
- A list of available firmware versions will appear
- Select the latest version of firmware
- Click INSTALL button
- Wait until it done
- Reboot your Arduino Uno R4 WiFi
- Re-compile and upload your code to Arduino Uno R4 WiFi
- Check the result
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