#include <Adafruit_NeoPixel.h>
Adafruit_NeoPixel tira = Adafruit_NeoPixel (8,2,NEO_GRB + NEO_KHZ800);

void setup() {
tira.begin();
tira.show();
}

void loop() {
tira.setBrightness(500);
//for (int i = 0; i < 8; i++){
tira.setPixelColor(1,0,255,0);// posicion+RGB
tira.setPixelColor(2,0,255,0);
tira.setPixelColor(5,0,255,0);
tira.setPixelColor(6,0,255,0);
tira.show();
delay(500);
//tira.setPixelColor(i,0,0,0);
//tira.show();
//}

//for (int i = 7; i >= 0 ; i--){
tira.setPixelColor(1,255,0,0);// posicion+RGB
tira.setPixelColor(2,255,0,0);
tira.setPixelColor(5,255,0,0);
tira.setPixelColor(6,255,0,0);
tira.show();
delay(500);
//tira.setPixelColor(i,0,0,0);
//tira.show();
//}

}