#include <Wire.h>
#define slave1_ADDR 0x9
//#define slave2_ADDR 0x8

int LED=15;
int BUTTON=14;
int previousButtonState=0;
int ButtonState=0;

void setup (){
  Wire.begin();
  //Serial.begin(115200);
  pinMode(LED, OUTPUT);
  pinMode(BUTTON, INPUT);
  pinMode(22, OUTPUT);
  pinMode(21, OUTPUT);
  }


  void loop(){
    ButtonState = digitalRead(BUTTON);
    if (ButtonState != previousButtonState) {
      previousButtonState=ButtonState;
      if(ButtonState==0){
      digitalWrite(LED, HIGH);
      //Serial.println("encender");
      Send_Button();
      
      
      }else{
       // Serial.println("apagar");
        digitalWrite(LED, LOW);
      }
    }
  }

  void Send_Button(){
   Wire.beginTransmission(slave1_ADDR);
   Wire.write(1);
    Wire.endTransmission();
    delay(1000);
   /*Wire.beginTransmission(slave2_ADDR);
   Wire.write(1);
    Wire.endTransmission();
    delay(1000);*/
    }