Connect the RGB LED with AmebaD [RTL8722DM_MINI]. The common LED pin may need to connect to 3.3V or GND depending on the type of LED (common anode / common cathode).

Ensure that the required app is installed on your smartphone, it is available at:
– Google Play Store:
https://play.google.com/store/apps/details?id=com.adafruit.bluefruit.le.connect

– Apple App Store:
https://apps.apple.com/us/app/bluefruit-connect/id830125974

Open the example, “Files” -> “Examples” -> “AmebaBLE” -> “PWM_over_BLEUart”.

Upload the code and press the reset button on Ameba once the upload is finished.
Open the app on your smartphone, scan and connect to the board shown as “AMEBA_BLE_DEV” and choose the controller -> color picker function in the app.

Using the color selection wheel, saturation, and brightness sliders, choose a desired color and click select to send the RGB values to the board. You should see the RGB LED change to the matching color.