#include <Wire.h>
int x = 0;
int REDLed = 10; //LED op mamaboard
//int Sensor = 1; //sensor 1
int Sensor = 9; //sensor 2
int sensorValue = 0;

void setup() {
  // Start the I2C Bus as Master
  Wire.begin(); 
  pinMode (REDLed, OUTPUT);
}

void loop() {
  Wire.beginTransmission(0x01); // transmit to device 0x01
  Wire.write(x);              // sends x 
  Wire.endTransmission();    // stop transmitting
  x++; // Increment x
  if (x > 4) x = 0; // `reset x once it gets 6
  delay(500);

    Wire.beginTransmission(0x02); // transmit to device 0x02
  Wire.write(x);              // sends x 
  Wire.endTransmission();    // stop transmitting
  x++; // Increment x
  if (x > 4) x = 0; // `reset x once it gets 6
  delay(500);
}