/*
 VCC-3.3v
 GND-GND
 SCL-SCL (GPIO 4)
 SDA-SDA (GPIO 5)
 ADD-NC or GND
*/
#define CAYENNE_PRINT Serial  // Comment this out to disable prints and save space
#include "CayenneDefines.h"
#include "BlynkSimpleEsp8266.h"
#include "CayenneWiFiClient.h"
#include <Wire.h>
#include <BH1750.h>
 
BH1750 lightMeter;
uint16_t lux;

char token[] = "token"; 
char ssid[] = "ssid";
char password[] = "password";
 
void setup(){
  Serial.begin(9600);
  Cayenne.begin(token, ssid, password);
  Wire.begin(5, 4); // SDA, SDL
  lightMeter.begin();
}
 
 
void loop() {
  Cayenne.run();
  lux = lightMeter.readLightLevel();
}

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