   // Serial.println("DMXSerialFlow DMX Example");
 
   DMXSerial.init(DMXController);
+  // DMXSerial.init(DMXController, 4);
 
   // Set the number of channels the controller will send
   // this call is not needed, because the DMXController extends the DMX packet length automatically when data is added.

  // uncomment this line to have a scenario where DMX values are changed every 5 seconds 
  // alpha &= 0xFF00;

  for (int n = 0; n < 20; n++) {
    setChannelRGB (n*3+1, alpha + n*64);
  } // for
  

const int GreenPin =  6;  // PWM output pin for Green Light.
const int BluePin =   5;  // PWM output pin for Blue Light.

// The number of RGB pixels, RGB channels are transfered
#define PIXELS 60

void setup(void)
{
