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Feb 23rd, 2017
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  1. //Variável global
  2. char msg[20];
  3.  
  4. void setup(){
  5.     //Configura a comunicação serial
  6.     Serial.begin(9600);
  7.     //Configura o pino 3 com pull up interno (input)
  8.     pinMode(3,2);
  9. }
  10. void loop(){
  11.     sprintf(msg, "DI3:%i;\n", digitalRead(3));
  12.     Serial.print(msg); 
  13.     delay(2000);
  14. }
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