#include #define PIN 2 // P0_0 #define NUMPIXELS 1 NeoPixel pixels(NUMPIXELS, PIN); void setup() { // init Serial and pin for led control Serial.begin(9600); pixels.begin(); Serial.println("pixels.begin"); delay(1000); // clear pixels and show pixels.clear(); pixels.show(); Serial.println("pixels.clear"); delay(1000); } void loop() { // sequentially set a new pixel color and show it for(int i=0; i