Traffic light full size for cars

Complete design of a traffic light using 250 high brightness LED, learn the electronic circuit and have fun controlling it with your Arduino

Mar 17, 2020

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7 respects

Components and supplies

5 mm LED: Red

5 mm LED: Green

DC Power Connector, Jack

Resistor 220 ohm

Arduino UNO

Resistor 3900 Ohm

General Purpose Transistor NPN

5 mm LED: Yellow

Project description

Code

Code Traffic Light

arduino

1//SEMFORO REAL
2int vermelho = 4;
3int amarelo =  3;
4int verde  =    2;
5
6void setup() {
7  pinMode(vermelho, OUTPUT);
8  pinMode(amarelo,  OUTPUT);
9  pinMode(verde, OUTPUT);
10
11}
12
13void loop() {
14  digitalWrite(vermelho,  HIGH);
15  digitalWrite(amarelo,  LOW);
16  digitalWrite(verde,    LOW);
17  delay(7000);
18  digitalWrite(vermelho, LOW);
19  digitalWrite(amarelo,  LOW);
20  digitalWrite(verde,    HIGH);
21  delay(5000);
22  digitalWrite(vermelho, LOW);
23  digitalWrite(amarelo,  HIGH);
24  digitalWrite(verde,    LOW);
25  delay(2000);
26
27}
28

//SEMFORO REAL
int vermelho = 4;
int amarelo =  3;
int verde  =    2;

void setup() {
  pinMode(vermelho, OUTPUT);
  pinMode(amarelo,  OUTPUT);
  pinMode(verde, OUTPUT);

}

void loop() {
  digitalWrite(vermelho,  HIGH);
  digitalWrite(amarelo,  LOW);
  digitalWrite(verde,    LOW);
  delay(7000);
  digitalWrite(vermelho, LOW);
  digitalWrite(amarelo,  LOW);
  digitalWrite(verde,    HIGH);
  delay(5000);
  digitalWrite(vermelho, LOW);
  digitalWrite(amarelo,  HIGH);
  digitalWrite(verde,    LOW);
  delay(2000);

}

Downloadable files

Full Circuit of Traffic Light

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