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  1.  
  2. /* Programa desenvolvido by Gamesh_
  3. 13/01/2011
  4. http://brasilrobotics.blogspot.com/
  5. */
  6. int piezoPin = 9, botao=7, val=0;
  7.  
  8. void setup() {
  9. pinMode(piezoPin, OUTPUT);
  10. pinMode(botao,INPUT);
  11. }
  12.  
  13. void loop() {
  14.  
  15. val=digitalRead(botao);
  16. if(val==1){
  17. digitalWrite(piezoPin, HIGH);
  18. delayMicroseconds(600);
  19. digitalWrite(piezoPin, LOW);
  20. delayMicroseconds(600);
  21. }
  22.  
  23. }
');