Updated sound sensor sketches.

Author: futureshocked

_0510_-_Ultrasonic_Distance_Sensor/_0510_-_Ultrasonic_Distance_Sensor.ino

@@ -29,7 +29,7 @@
  * -----------------
  *  For information on the ultrasonic transducer: https://en.wikipedia.org/wiki/Ultrasonic_transducer
  *  For information on ultrasounds: https://en.wikipedia.org/wiki/Ultrasound
- *  HC-SR04 datasheet: https://docs.google.com/document/d/1Y-yZnNhMYy7rwhAgyL_pfa39RsB-x2qR4vP8saG73rE/edit
+ *  HC-SR04 datasheet: https://docs.google.com/document/d/1Y-yZnNhMYy7rwhAgyL_pfa39RsB-x2qR4vP8saG73rE
  *  Information about the pulseIn function: https://www.arduino.cc/en/Reference/PulseIn
  *  
  *  Created on October 21 2016 by Peter Dalmaris

_0560_-_Analog_microphone/_0560_-_Analog_microphone.ino

@@ -59,13 +59,13 @@ void loop()
 
     if (millis() - timer >= sampleSpan) {
         volume = maxValue - minValue;
-//        Serial.println(volume);
+        //Serial.println(volume);
         resetValues();
     }
 
     // I arbitrarily select 100 as the value above which the
     //microphone is picking a loud noise.
-    if (volume > 100)
+    if (volume > 400)
     {
       Serial.println("Loud");
       digitalWrite(ledpin,HIGH);

_0560_-_Digital_sound_sensor/_0560_-_Digital_sound_sensor.ino

@@ -55,9 +55,10 @@ void loop ()
   {
     digitalWrite(ledpin,HIGH); // Turn the LED on to show there was a loud noise
     lastSoundDetectTime = millis(); // record the time of the sound alarm
-    // The following is so you don't scroll on the output screen
+    // This will output the LOUD message only once even if the signal remains
+    // at HIGH. This way it will not scroll out of the window with the same message.
     if (!bAlarm){
-      Serial.println("LOUD, LOUD");
+      Serial.println("LOUD!");
       bAlarm = true;
     }
   }