   // read commands when we get a full line
   if (stringComplete) {
     read_command();
+#ifdef DEBUG
     lcd_command();
+#endif
     do_command();
   }
 

                ArcEyes USB Serial
****************************************************/

const int debug = 0;

if (debug == 1){
   #include <Wire.h>
   #include <LCD.h>
   #include <LiquidCrystal_I2C.h>

  while (Serial.available()) {
    // get the new byte:
    char inChar = (char)Serial.read();
#ifdef DEBUG
    lcd.clear();
    lcd.setCursor(0,0);
    lcd.print(inChar);
#endif

    // add it to the inputString:
    inputString += inChar;
    // if the incoming character is a newline, set a flag
