#include <BH1750.h>
#include <Wire.h>

#define SDA 21
#define SCL 22

BH1750 lightMeter;

void setup() {
  Serial.begin(9600);

  Wire.begin(SDA, SCL);
  lightMeter.begin();
  Serial.println(F("Test sensores"));
 }

void loop() {
  delay(1000);
  float lux = lightMeter.readLightLevel();
  Serial.println("Light: " + String(lux) + " lux");
}