/* Programa desenvolvido by Gamesh_
13/01/2011
http://brasilrobotics.blogspot.com/
*/
int piezoPin = 9, botao=7, val=0;
void setup() {
pinMode(piezoPin, OUTPUT);
pinMode(botao,INPUT);
}
void loop() {
val=digitalRead(botao);
if(val==1){
digitalWrite(piezoPin, HIGH);
delayMicroseconds(600);
digitalWrite(piezoPin, LOW);
delayMicroseconds(600);
}
}