Clap

1
2// checks to see if there is sound and if there is turns on red light
3//REM   make sure you check the level on the potentiometer if it doesn't work!!
4
5int   micPin = 6;   // Mic connected to pin 6
6int micVal = HIGH; //HIGH is no sound,   LOW is sound
7
8
9
10void setup ()
11{
12  Serial.begin(9600);  
13  pinMode(12,   OUTPUT); //red led for sound 
14  pinMode (11, OUTPUT); // green led for silence
15   pinMode (micPin, INPUT) ;   //Set pin for input
16}
17void loop ()
18{
19   micVal = digitalRead (micPin) ; // senses sound
20  
21  if (micVal == HIGH   ) // There is sound!!!
22  {
23    
24            Serial.println ("silence");//   sends 'silence' to printer
25            digitalWrite(11, HIGH);//turns on green   LED
26            delay (5);
27            digitalWrite (11, LOW);// turns off   green LED
28            
29      } else { Serial.println ("sound");//   sends   'sound' to prinetr
30            digitalWrite(12, HIGH);//turns on red LED     
31             delay (5000);
32            digitalWrite (12, LOW);// turns off red   LED
33      }
34  }
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36 
37