 void printSerialData()
 {
   // printSerialData prints the
-  Serial.print(current_temp); // 
+  Serial.print(temp_deg); // 
   Serial.print(",");
-  Serial.println(current_diam);
+  Serial.println(temp_mv);
 }
 
 void readSerialData()



// Heater control globals
long over_temp_mv = 2480;
long temp_mv = 0;
int temp_deg = 87;
byte temp_hi_limit = 210;
byte temp_lo_limit = 190;
bool heater_on = false;

const byte HOT_LED = 6;


// Extruder motor globals
boolean extruder_active = 1;
byte ex_power = 70;


// Time related
