XIAO-RA4M1

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XIAO-RA4M1

Renesas RA4M1
build-in RGB LED

Navigate to File > Preferences, and fill "Additional Boards Manager URLs" with the url below: https://files.seeedstudio.com/arduino/package_renesas_1.2.0_index.json

type the keyword RA4M1

Navigate to File > Examples > 01.Basics > Blink, open the program.

https://github.com/adafruit/Adafruit_NeoPixel.git

Liens externes

https://www.seeedstudio.com/Seeed-XIAO-RA4M1-p-5943.html
https://wiki.seeedstudio.com/getting_started_xiao_ra4m1/

code

Blink
https://wiki.myows.top/index.php?title=Blink_Examples_01-Basics

changer la couleur de la LED entre le rouge, le vert et le bleu

Play with RGB LEDs

LED user allumé
LED RGB change de couleur, mais lumiere très forte

Bibliothèque : https://github.com/adafruit/Adafruit_NeoPixel

#include <Adafruit_NeoPixel.h>

#define LED_PIN RGB_BUILTIN  // Define the pin for the built-in RGB LED
#define NUM_PIXELS 1         // Number of WS2812 LEDs

Adafruit_NeoPixel pixels(NUM_PIXELS, LED_PIN, NEO_GRB + NEO_KHZ800);

void setup() {
  pinMode(PIN_RGB_EN, OUTPUT); // Set up the power pin
  digitalWrite(PIN_RGB_EN, HIGH); //Turn on power to the LED
  pixels.begin();  // Initialize the NeoPixel library
}

void loop() {
    // Transition from Red to Green
  for (int i = 0; i <= 255; i++) {
    pixels.setPixelColor(0, pixels.Color(255 - i, i, 0));  // Red decreases, Green increases
    pixels.show();
    delay(10);  // Adjust delay for smoothness
  }

  // Transition from Green to Blue
  for (int i = 0; i <= 255; i++) {
    pixels.setPixelColor(0, pixels.Color(0, 255 - i, i));  // Green decreases, Blue increases
    pixels.show();
    delay(10);  // Adjust delay for smoothness
  }

  // Transition from Blue to Red
  for (int i = 0; i <= 255; i++) {
    pixels.setPixelColor(0, pixels.Color(i, 0, 255 - i));  // Blue decreases, Red increases
    pixels.show();
    delay(10);  // Adjust delay for smoothness
  }
}

Adjust delay for smoothness : Ajustez le délai pour plus de fluidité