#include <Adafruit_NeoPixel.h>
#define PIN 15
#define NUM 6
Adafruit_NeoPixel pixels = Adafruit_NeoPixel(NUM, PIN, NEO_GRB + NEO_KHZ800);
void setup() {
Serial.begin(115200);
pixels.begin();
pixels.setBrightness(255);
pixels.fill(0xFF0000);
pixels.show();
}
void loop () {