#include <Adafruit_Neopixel.h>
intledpin=5;
int numleds=16;
Adafruit_NeoPixel strip(numLeds,ledPin,NEO_GRB+NEO_KHZ800);
void setup(){
  strip.begin();
  strip.show();
}
void loop(){
  colorWipe(strip.color(0,255,0),1000);
}
void colorWipe(unit32_t color,int wait){
  for(int i=0;i<srip.numPixel();i++){
    strip.setPixelColor(i,color);
    strip.show();
    delay(wait);
  }
}