#include <VL53L0X.h>

int x = 0;
VL53L0X sensor;

void setup() {
  Serial.begin(9600);
  Wire.begin();
  pinMode(A3, OUTPUT);
  digitalWrite(A3, 1);
  sensor.setTimeout(500);
  if (!sensor.init()) { while (1) {}}
  #if defined LONG_RANGE
  sensor.setSignalRateLimit(0.1);
  sensor.setVcselPulsePeriod(VL53L0X::VcselPeriodPreRange, 18);
  sensor.setVcselPulsePeriod(VL53L0X::VcselPeriodFinalRange, 14);
  #endif
  #if defined HIGH_SPEED
  sensor.setMeasurementTimingBudget(20000);
  #elif defined HIGH_ACCURACY
  sensor.setMeasurementTimingBudget(200000);
  #endif
}

void loop() {
    x = sensor.readRangeSingleMillimeters();
    Serial.println(x);
    if (x < 50) {
      pinMode(13, OUTPUT);
       digitalWrite(13, 1);
    } else {
      pinMode(13, OUTPUT);
       digitalWrite(13, 0);
    }
} 

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