#include <FastLED.h>

#define N_LEDS 5
#define in_pin 19
#define out_pin 18
#define DATA_PIN 5

volatile int in_pulse = 0;
volatile int out_pulse = 0;

CRGB leds[N_LEDS];


void IRAM_ATTR inPulses()
{
  in_pulse++;
}

void IRAM_ATTR outPulses()
{
  out_pulse++;
}
void setup(){

  Serial.begin(115200);

  
  FastLED.addLeds<NEOPIXEL, DATA_PIN>(leds, N_LEDS);  // GRB ordering is assumed

  // attachInterrupt(out_pin, outPulses, RISING);

      int i = 0;
      while (digitalRead(19)== LOW ){
        leds[i] = CRGB(0, 255, 0);
        FastLED.show();
        i++;
    }
    Serial.println("value");
    Serial.println(i);

}
void loop()
{
}