Read PIN2DMD serial events

read.ino

void setup() {
  // put your setup code here, to run once:
  Serial1.begin(57600);
  Serial.begin(115200);
  Serial.println("Ready.");
}

void loop() {
  if (Serial1.available()) {
    Serial.println("Received:");
    byte in = Serial1.read();
    Serial.print("Hex: 0x"); Serial.println(in, HEX);  
    Serial.print("Dec: "); Serial.println(in, DEC);
    Serial.println();
  }
}