Arduino Arduino_APA102 - setBrightness()用法及代码示例

led.setBrightness(50)

#include <Arduino_APA102.h> 

Arduino_APA102 leds(5, 5, 4);

void setup() {
  leds.begin();

  leds.setPixelColor(0, 0xFFFFFF);
  leds.setPixelColor(1, 0xFFFFFF);
  leds.show();
  delay(1000);
} 

void loop() {
  leds.setBrightness(50); //Set global brightness
  leds.show();
  delay(1000);

  leds.setBrightness(0, 10);  //Change LED 0 's brightness
  leds.show();
  delay(1000);
}