//Slave 1 address is 0x11  
//Slave 2 address is 0x12 
 
//for fabkit 
//editted by Miriam Choi
//June,20,2019

#include "Wire.h"  
void setup() {  
Wire.begin(); // join i2c bus (address optional for master) 
} 
void loop() { 
Wire.beginTransmission(0x11); // transmit to device #26 
Wire.write(0x00); // sends one byte 
Wire.endTransmission(); // stop transmitting  
Wire.beginTransmission(0x12); // transmit to device #27 
Wire.write(0x00); // sends one byte 
Wire.endTransmission(); // stop transmitting  
delay(2000);  
Wire.beginTransmission(0x11); // transmit to device #26 
Wire.write(0x01); // sends one byte 
Wire.endTransmission(); // stop transmitting  
Wire.beginTransmission(0x12); // transmit to device #27 
Wire.write(0x01); // sends one byte 
Wire.endTransmission(); // stop transmitting  
delay(2000);  
}