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diff --git a/libraries/Esplora/Beginners/EsploraLightCalibrator/EsploraLightCalibrator.ino b/libraries/Esplora/Beginners/EsploraLightCalibrator/EsploraLightCalibrator.ino
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--- a/libraries/Esplora/Beginners/EsploraLightCalibrator/EsploraLightCalibrator.ino
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-/*
-  Esplora Led calibration
- 
- This  sketch shows you how to read and calibrate the light sensor.
- Because light levels vary from one location to another, you need to calibrate the 
- sensor for each location. To do this, you read the sensor for a few seconds,
- and save the highest and lowest readings as maximum and minimum.  
- Then, when you're using the sensor's reading (for example, to set the brightness
- of the LED), you map the sensor's reading to a range between the minimum
- and the maximum.
- 
- Created on 22 Dec 2012
- by Tom Igoe
- 
- This example is in the public domain.
- */
-
-#include <Esplora.h>
-
-// variables:
-int lightMin = 1023;        // minimum sensor value
-int lightMax = 0;           // maximum sensor value
-boolean calibrated = false;  // whether the sensor's been calibrated yet
-
-void setup() {
-  // initialize the serial communication:
-  Serial.begin(9600);
-
-  // print an intial message
-  Serial.println("To calibrate the light sensor, press and hold Switch 1");
-}
-
-void loop() {
-  // if switch 1 is pressed, go to the calibration function again:
-  if (Esplora.readButton(1) == LOW) {
-    calibrate();
-  }
-  // read the sensor into a variable:
-  int light = Esplora.readLightSensor();
-
-  // map the light level to a brightness level for the LED
-  // using the calibration min and max:
-  int brightness = map(light, lightMin, lightMax, 0, 255);
-  // limit the brightness to a range from 0 to 255:
-  brightness = constrain(brightness, 0, 255);
-  // write the brightness to the blue LED. 
-  Esplora.writeBlue(brightness);
-  
-  // if the calibration's been done, show the sensor and brightness
-  // levels in the serial monitor:
-  if (calibrated == true) {
-    // print the light sensor levels and the LED levels (to see what's going on):
-    Serial.print("light sensor level: ");
-    Serial.print(light);
-    Serial.print(" blue brightness: ");
-    Serial.println(brightness);
-  }
-  // add a delay to keep the LED from flickering:
-  delay(10); 
-}
-
-void calibrate() {
-  // tell the user what do to using the serial monitor:
-  Serial.println("While holding switch 1, shine a light on the light sensor, then cover it.");
-
-  // calibrate while switch 1 is pressed:
-  while(Esplora.readButton(1) == LOW) {
-    // read the sensor value: 
-    int light  = Esplora.readLightSensor();
-
-    // record the maximum sensor value:
-    if (light > lightMax) {
-      lightMax = light;
-    }
-
-    // record the minimum sensor value:
-    if (light < lightMin) {
-      lightMin = light;
-    }
-    // note that you're calibrated, for future reference:
-    calibrated = true;
-  }
-}
-
-
-
-
-
-
-
-