Fritzing

Semáforo com 3 leds de simples montagem, ideal para iniciantes em arduino.

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/* Projeto Semáforo simples

Material: Qtd Descrição 01 Arduino 04 Resistores 1k ohms (marron); 01 Led verde 01 Led amarelo 02 Leds vermelho 01 Protoboard 09 Jumpers

*/

void setup (){ pinMode (2, OUTPUT); pinMode (4, OUTPUT); pinMode (6, OUTPUT); }

void loop(){

digitalWrite(2, 1); delay(10000); digitalWrite(2, 0); delay(300); digitalWrite(2, 1); delay(250); digitalWrite(2, 0); delay(230); digitalWrite(2, 1); delay(220); digitalWrite(2, 0); delay(200); digitalWrite(2, 1); delay(190); digitalWrite(2, 0); delay(180); digitalWrite(2, 1); delay(170); digitalWrite(2, 0); delay(160); digitalWrite(2, 1); delay(150); digitalWrite(2, 0); delay(140); digitalWrite(2, 1); delay(130); digitalWrite(2, 0); delay(120); digitalWrite(2, 1); delay(110); digitalWrite(2, 0); digitalWrite(4, 1); delay(3000); digitalWrite(4, 0); digitalWrite(6, 1); delay(10000); digitalWrite(6, 0); }