Keyestudio ESP32 Manual page 60

ESP32 Starter Kit
3. Wiring Diagram
4. Test Code
Before uploading the code, please ensure the library file is loaded to arduino IDE.
/*
keyestudio ESP32 Inventor Learning Kit
Project 5.1 Rainbow Ambient Light
http://www.keyestudio.com
*/
//Add 2812RGB library file
#include <NeoPixel_ESP32.h>
#define PIN 15
Adafruit_NeoPixel strip
assigns the RGB LED number pins to the library code
void
setup() {
strip.begin();
strip.show(); // Refresh the display
}
56
= Adafruit_NeoPixel(6, PIN);
//Activate RGB LED
//Defines the instance strip
Chapter 8. Arduino Tutorial
and␣
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