Hi,   I'm trying to make a simple communication betwen two MSP430G2253, but it doesn't work.   Master : #include <Wire.h> void setup() {   Wire.setModule(0);   Wire.begin();   } void loop() {   static byte u=1;     for(int i=0;i<3;i++) {        Wire.beginTransmission(8); // transmit to device #8   Wire.write(i);   Wire.write(u);              // sends one byte   Wire.endTransmission();    // stop transmitting     delay(1000);     }     u=!u;   } Slave :   #include <Wire.