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arduino projects for car safe distance with code and optional LCD display and buzzer alarm

Fierce Flatworm answered on July 2, 2023 Popularity 1/10 Helpfulness 1/10

answer arduino projects for car safe distance with code and optional LCD display and buzzer alarm

arduino projects for car safe distance with code and optional LCD display and buzzer alarm

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#include <LiquidCrystal.h>

const int trigPin = 2;
const int echoPin = 3;
const int safeDistance = 30; // Safe distance in centimeters
const int buzzerPin = 9;

LiquidCrystal lcd(7, 6, 5, 4, 3, 2);

void setup() {
  lcd.begin(16, 2); // Set the LCD dimensions (change accordingly)
  lcd.setCursor(0, 0);
  lcd.print("Safe Distance");
  lcd.setCursor(0, 1);
  lcd.print("Monitoring");
  delay(2000); // Display the startup message for 2 seconds
  lcd.clear();
  
  Serial.begin(9600);
  pinMode(trigPin, OUTPUT);
  pinMode(echoPin, INPUT);
  pinMode(buzzerPin, OUTPUT);
}

void loop() {
  // Trigger the ultrasonic sensor
  digitalWrite(trigPin, LOW);
  delayMicroseconds(2);
  digitalWrite(trigPin, HIGH);
  delayMicroseconds(10);
  digitalWrite(trigPin, LOW);

  // Measure the echo response time to calculate distance
  long duration = pulseIn(echoPin, HIGH);
  int distance = duration * 0.034 / 2; // Calculate distance in centimeters

  // Print the measured distance
  Serial.print("Distance: ");
  Serial.print(distance);
  Serial.println(" cm");

  // Display the measured distance on the LCD
  lcd.setCursor(0, 0);
  lcd.print("Distance: ");
  lcd.print(distance);
  lcd.print(" cm");

  // Check if the distance is less than the safe distance
  if (distance < safeDistance) {
    // Activate the buzzer alarm
    digitalWrite(buzzerPin, HIGH);

    // Take necessary actions here, such as activating a warning signal or applying brakes
    lcd.setCursor(0, 1);
    lcd.print("Maintain safe dist");
    Serial.println("Maintain safe distance!");
  } else {
    // Deactivate the buzzer alarm
    digitalWrite(buzzerPin, LOW);

    lcd.setCursor(0, 1);
    lcd.print("Safe distance");
  }

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Tags: alarm arduino display distance lcd projects typescript

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Contributed on Jul 02 2023

Fierce Flatworm

0 Answers Avg Quality 2/10

arduino projects for car safe distance with code and optional LCD display and buzzer alarm

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