Errata calibrazione

[sketchbook_andrea] / basic / analog_input / photo_5_calibration / photo_5_calibration.ino

diff --git a/basic/analog_input/photo_5_calibration/photo_5_calibration.ino b/basic/analog_input/photo_5_calibration/photo_5_calibration.ino
index bf43b37ae713981720ea1e6c0529b09553d13984..056d6325921811cba3ff0e172b4ff1ef6b56bc2b 100644 (file)
--- a/basic/analog_input/photo_5_calibration/photo_5_calibration.ino
+++ b/basic/analog_input/photo_5_calibration/photo_5_calibration.ino
@@ -66,12 +66,13 @@ void setup() {
 void loop() {
   // read the sensor:
   sensorValue = analogRead(sensorPin);
-
+  // in case the sensor value is outside the range seen during calibration
+  sensorValue = constrain(sensorValue, sensorMin, sensorMax);
+  
   // apply the calibration to the sensor reading
   sensorValue = map(sensorValue, sensorMin, sensorMax, 0, 255);
 
-  // in case the sensor value is outside the range seen during calibration
-  sensorValue = constrain(sensorValue, 0, 255);
+
 
   // fade the LED using the calibrated value:
   analogWrite(ledPin, sensorValue);