void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);

}

void loop() {
  // put your main code here, to run repeatedly:
  uint32_t w = 0xCAFE0000;

  w |= random(100);

  Serial.write( (char*) &w, 4);
  
  delay(1000);

}