//Dois semaforos
int tempo;
void setup() {
// put your setup code here, to run once:
pinMode(13, OUTPUT);
pinMode(12, OUTPUT);
pinMode(11, OUTPUT);
pinMode(10, OUTPUT);
pinMode(9, OUTPUT);
pinMode(8, OUTPUT);
tempo=5000;
}
void loop() {
// put your main code here, to run repeatedly:
digitalWrite(10,HIGH);
digitalWrite(9,LOW);
digitalWrite(8,LOW);
digitalWrite(13,LOW);
digitalWrite(12,LOW);
digitalWrite(11,HIGH);
delay(tempo);
digitalWrite(10,LOW);
digitalWrite(9,HIGH);
digitalWrite(8,LOW);
digitalWrite(13,LOW);
digitalWrite(12,LOW);
digitalWrite(11,HIGH);
delay(tempo-3000);
digitalWrite(10,LOW);
digitalWrite(9,LOW);
digitalWrite(8,HIGH);
digitalWrite(13,HIGH);
digitalWrite(12,LOW);
digitalWrite(11,LOW);
delay(tempo);
digitalWrite(10,LOW);
digitalWrite(9,LOW);
digitalWrite(8,HIGH);
digitalWrite(13,LOW);
digitalWrite(12,HIGH);
digitalWrite(11,LOW);
delay(tempo-3000);
}
Este é o projeto simulado em Tinkercad:
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjU5rePktL1bdJQdPqVaFFAP9ncxi_AWccKGVJW7EXXV5AaRyQGg2qfPvB_ejEgbqIYr4IpbaFmDST4I4g84paP6nugJ-lfo2ijmfRaT0TDULkHPpeBuWY9pGlwKRuNbquvp4Dc-wjFPaEs/s640/Screenshot+2017-08-03+07.42.43.png)
Esta é a implementação do projeto:
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjf_8oXmrY9AYM-3wuwTe3CyAu0L4wTMrgQ6sETDczHeRWps7lrbbPbike_F_2ckNifhyMAg4vDV6bZfsgsStn14XgZGQnycSMcOB0QUApWcY8yS_6lMKxyRvtMN-brshZKrOYHEZhe4daG/s320/dois_semaforos.jpg)
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