345 bytes added,
20:01, 13 February 2023
<code>
#include <FastLED.h>
#define NUM_LEDS 25
#define DATA_PIN 6
CRGB leds[NUM_LEDS];
void setup() {
FastLED.addLeds<NEOPIXEL, DATA_PIN>(leds, NUM_LEDS);
}
void loop() {
leds[0] = CRGB::Red;
FastLED.show();
delay(500);
// Now turn the LED off, then pause
leds[0] = CRGB::Black;
FastLED.show();
delay(500);
}
</code>