Arduino UNO interfacing with traffic lights in proteus

In this article we will learn how to interfacing Arduino UNO with traffic light in proteus.
In the last post we will learn how to interfacing arduino UNO with intensity meter in proteus. You can visit our website,
I hope you appreciate my work, let’s discuss about today’s project.

Diagram of this project  is below:

Components which we use in this project are listed below:

1. Arduino UNO
2. LCD display
3. LED’s (red,yellow,green)
4. Jumper wire’s

Construction of arduino UNO interfacing with traffic lights in proteus:

• Connect the point 0 of arduino UNO to the point of green LED
• Connect the point 1 of arduino UNO to the point of yellow LED
• Connect the point 2 of arduino UNO to the point D7 of LCD
• Connect the point 3 of arduino UNO to the point D6 of LCD
• Connect the point 4 of arduino UNO to the point D5 of LCD
• Connect the point 5 of arduino UNO to the point D4 of LCD
• Connect the point 6 of arduino UNO to the point E of LCD
• Connect the point 7 of arduino UNO to the point RS of LCD
• Connect the point 8 of arduino UNO to the point of red LED
• Connect the point VDD of LCD to +ve
• Connect VSS & RW both points of LCD to GND

Working of Arduino UNO interfacing with traffic lights in proteus

Interfacing an arduino UNO with traffic lights involves using the arduino board to control the timing and sequence of the traffic light signals

Applications of Arduino UNO interfacing with traffic lights in proteus are listed below:

1. Educational demonstrations
2. Prototyping and testing
3. Smart traffic systems
4. Pedestrian crossings
5. Low-cost solutions for small projects

Advantages of Arduino UNO interfacing with traffic lights in proteus

1. Ease of use
2. Affordability
3. Open-source platform
4. Real-world simulation
5. Learning opportunities

Program code of this project is listed below:

#include

int GREEN = 0; // Initialize Pin0 for Green Light

int YELLOW = 1;// Initialize Pin1 for Yellow Light

int RED = 8; // Initialize Pin2 for Red Light

int DELAY_GREEN = 1000; //Delay for Green Light

int DELAY_YELLOW = 1000;//Delay for Yellow Light

int DELAY_RED = 1000;//Delay for Red Light

const int rs = 7, en = 6, d4 = 5, d5 = 4, d6 = 3, d7 = 2;// Initialize pins for interfacing LCD

LiquidCrystal lcd(rs, en, d4, d5, d6, d7);

void setup()

{

// set up the LCD’s number of columns and rows:

lcd.begin(16, 2);

// Print a message to the LCD

lcd.print(“”);

pinMode(GREEN, OUTPUT);//Define Green LED in as output

pinMode(YELLOW, OUTPUT);//Define Yellow LED in as output

pinMode(RED, OUTPUT);//Define RED LED in as output

}

void loop()

{

no_light(); //Call no light function turn off lights initially

delay(1000); // 1sec delay

lcd.display(); //initialize LCD display

lcd.clear();//Clear the LCD

red_light(); // Call red light function

delay(DELAY_RED); // Delay for RED traffic light

lcd.print(“STOP”); // Print STOP for RED signal

delay(1000);// Wait for 1sec delay

lcd.clear();// Clear LCD

yellow_light();// Call Yellow light function

delay(DELAY_YELLOW);// Delay for Yellow traffic light

lcd.print(“WAIT”); // Print wait on LCD with yellow singal

delay(1000);// Wait for 1 sec

lcd.clear();// Clear LCD

green_light();//call for green traffic light

delay(DELAY_GREEN);//Delay for Green signal

lcd.clear();//clear LCD display

lcd.print(“GO”);//Print Go for Green singal

delay(1000);//1 sec delay

lcd.clear();//clear LCD

}

// Function to make all singal light low

void no_light() {

digitalWrite(GREEN, LOW);

digitalWrite(YELLOW, LOW);

digitalWrite(RED, LOW);

}

//Function to control light for RED singnal

void red_light()

{

digitalWrite(GREEN, LOW);

digitalWrite(YELLOW, LOW);

digitalWrite(RED, HIGH);

}

//Function to control light for Yellow singnal

void yellow_light()

{

digitalWrite(GREEN, LOW);

digitalWrite(YELLOW, HIGH);

digitalWrite(RED, LOW);

}

//Function to control light for Green singnal

void green_light()

{

digitalWrite(GREEN, HIGH);

digitalWrite(YELLOW, LOW);

digitalWrite(RED, LOW);

}

 

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