Arduino IDE Coding

Arduino IDE Coding

#include 
#include 
#include 

#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 64

#define OLED_RESET -1
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);

#define TRIG_PIN 9
#define ECHO_PIN 10

long duration;
float distance;

void setup() {
  pinMode(TRIG_PIN, OUTPUT);
  pinMode(ECHO_PIN, INPUT);

  Serial.begin(9600);

  // Initialize OLED
  if (!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
    Serial.println("OLED not found");
    while (true);
  }

  display.clearDisplay();
  display.setTextSize(2);
  display.setTextColor(SSD1306_WHITE);

  display.setCursor(10, 20);
  display.println("Ready");
  display.display();

  delay(2000);
}

void loop() {

  // Trigger ultrasonic pulse
  digitalWrite(TRIG_PIN, LOW);
  delayMicroseconds(2);

  digitalWrite(TRIG_PIN, HIGH);
  delayMicroseconds(10);

  digitalWrite(TRIG_PIN, LOW);

  // Read echo
  duration = pulseIn(ECHO_PIN, HIGH);

  // Calculate distance
  distance = duration * 0.034 / 2;

  // Print to Serial Monitor
  Serial.print("Distance: ");
  Serial.print(distance);
  Serial.println(" cm");

  // Display on OLED
  display.clearDisplay();

  display.setTextSize(1);
  display.setCursor(0, 0);
  display.println("Ultrasonic Sensor");

  display.setTextSize(2);
  display.setCursor(0, 25);
  display.print(distance, 1);
  display.println(" cm");

  display.display();

  delay(200);
}