diff --git a/ArduinoConfig.h b/ArduinoConfig.h
index d04fb91..8b75d7c 100644
--- a/ArduinoConfig.h
+++ b/ArduinoConfig.h
@@ -3,6 +3,12 @@
 
 static const uint8_t COMMAND_TRANSFER_SPI = 1;
 
+// Can be set to one for additional programming information from the primary
+// serial port which is usually also used to flash the Arduino
+// Can be disabled if this output interferes with the usual
+// serial communication logic
+#define PROGRAMMING_OUTPUT      1
+
 #define BAUD_RATE               115200
 #define SERIAL_RX_BUFFER_SIZE   256
 #define RING_BUFFER_SIZE        100
diff --git a/main.cpp b/main.cpp
index 8a57dce..9d70481 100644
--- a/main.cpp
+++ b/main.cpp
@@ -142,7 +142,8 @@ void handleNewData() {
 	if (result == HasReturnvaluesIF::RETURN_OK) {
 		handlePacket(packet, packetLen);
 
-		//after handling the packet, we can delete it from the raw stream, it has been copied to packet
+		// after handling the packet, we can delete it from the raw stream,
+		// it has been copied to packet
 		toDelete += readSize;
 	}
 
@@ -170,16 +171,18 @@ void setup() {
 	// if no transfer is going on.
 	CS_PORT = 0xff;
 	Serial.begin(BAUD_RATE);
-	Serial.println("Setting up Arduino IO interface board.");
-	Serial.print("Configured baud rate for serial communication: ");
+#if PROGRAMMING_OUTPUT == 1
+	Serial.println("-AI- Setting up Arduino IO interface board.");
+	Serial.print("-AI- Configured baud rate for serial communication: ");
 	Serial.println(BAUD_RATE, DEC);
-	Serial.print("Size of serial receiver buffer: ");
-	Serial.print(SERIAL_RX_BUFFER_SIZE, DEC);Serial.print(" bytes");
+	Serial.print("-AI- Size of serial receiver buffer: ");
+	Serial.print(SERIAL_RX_BUFFER_SIZE, DEC);
+	Serial.println(" bytes");
+#endif
 	SPI.begin();
 }
 
 void loop() {
-;
 	handleNewData();
 	delay(1000);
 }