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--- amc2021:groupl:code:sound_detection [2021/09/05 03:17] – kabir001
+++ amc2021:groupl:code:sound_detection [2023/01/05 14:38] (current) – external edit 127.0.0.1
@@ Line 11: / Line 11: @@
 <file c++ Sound_Detection.ino>
- const int OUT_PIN = 12;          // The OUTPUT of the sound sensor is connected to the digital pin D12 of the Arduino
+ const int OUT_PIN = 12;    // The OUTPUT of the sound sensor is connected to the digital pin D12 of the Arduino
- const int SAMPLE_TIME = 10;      // The sampling time in milliseconds,  can be set differently if required
+ const int SAMPLE_TIME = 10;// The sampling time in milliseconds,  can be set differently if required
- const int Threshold = 90;       // Threshold on decibel value for LED switching ON, the value has been optimized with respect to the used sampling time (900 cumulative digital counts ≈ 90 dB from "Schall")
+ const int Threshold = 90;  // Threshold on decibel value for LED switching ON, the value has been optimized with respect to
+//the used sampling time (900 cumulative digital counts ≈ 90 dB from "Schall")
  unsigned long millisCurrent;     // current time
@@ Line 39: / Line 40: @@
   sampleBufferValue++;                       //increments the sum variable by 1
   }
-   if (millisElapsed > SAMPLE_TIME) {       //if the elapsed time surpasses the sampling time, print the sampleBufferValue and test threshold for alarm
+   if (millisElapsed > SAMPLE_TIME) {       //if the elapsed time surpasses the sampling time,
+   //print the sampleBufferValue and test threshold for alarm
-   dB = 0.0666 *(sampleBufferValue) + 30.223; //linear regression to calculate the decibel value based of the rough calibration of the sensor response
+   dB = 0.0666 *(sampleBufferValue) + 30.223; //linear regression to calculate the decibel value based of
+   //the rough calibration of the sensor response
   Serial.println(dB);                        // print decibel values on the Serial Monitor
   Serial.print("dB");                        // print sound unit decibel