This code is for the schematic.
#include <FastLED.h>
#define LED_PIN 7
#define NUM_LEDS 60
CRGB leds[NUM_LEDS];
void setup() {
FastLED.addLeds<WS2812, LED_PIN, GRB>(leds, NUM_LEDS);
}
void loop() {
leds[0] = CRGB(255, 0, 0); //Red, green, blue
FastLED.show();
delay(1000);
leds[2] = CRGB(0, 255, 0);
FastLED.show();
delay(1000);
leds[4] = CRGB(0, 0, 255);
delay(1000);
}