SunFounder ESP32 Starter Kit
The RGB LED comprises 4 pins: the elongated pin is the common cathode pin, typically connected to GND; the
pin to the left of the longest pin represents Red; and the two pins on the right symbolize Green and Blue.
2. Subsequently, connect the ESP32-WROOM-32E to your computer using a USB cable.
1.53. 8.10 Android Application - RGB LED Operation via Arduino and Bluetooth 243
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