/*
 VCC-5v
 GND-GND
 SCL-SCL(analog pin 5)
 SDA-SDA(analog pin 4)
 ADD-NC or GND
*/
#define CAYENNE_PRINT Serial 
#include <CayenneEthernet.h> 
#include <Wire.h>
#include <BH1750.h>
  
BH1750 lightMeter;
uint16_t lux;

char token[] = "token"; 
 
void setup(){
  Serial.begin(9600);
  Cayenne.begin(token);
  lightMeter.begin();
}
 
 
void loop() {
  Cayenne.run();
  lux = lightMeter.readLightLevel();
}

CAYENNE_OUT(V0)
{
  Cayenne.virtualWrite(V0, lux);
}