arduino ide download
sample code
#include <FastLED.h>
#define NUM_LEDS 9
#define COLOR_ORDER RGB
#define DATA_PIN 6
CRGB leds[NUM_LEDS];
void setup() {
FastLED.addLeds<WS2811, DATA_PIN,COLOR_ORDER>(leds, NUM_LEDS);
}
void loop() {
for (int i = 0; i<=4;i++){
leds[i] = CRGB::Green;
FastLED.show();}
delay(1000);
leds[3] = CRGB(0,0,0);
FastLED.show();
delay(500);
}