microphone
by Diana Fernandez

Reads values from a microphone connected to the analog input pin 0. The value read from the microphone is proportional to the level of sound in the near environment. The value read is printed through the serial to be monitored in the console.

Created 1 May 2007
 

    
// microphone 
// by Diana Fernandez 

int val; 
 
void setup() 
{ 
  Serial.begin(9600);           // sets the serial port to 9600 
} 
 
void loop() 
{ 
  val = analogRead(0);          // read analog input pin 0 
  Serial.print(val, DEC);       // prints the value read 
  Serial.print(" ");		// prints a space between the numbers 
  delay(100);                   // wait 100ms for next reading 
}