Arduino Based Smart Distance Meter

 Arduino Based Smart Distance Meter

COMPONENT'S FOR THIS PROJECT'S

· ARDUINO NANO

· ARDUINO NANO SERIAL USB CABEL

· ULTRASONIC SENSOR (HC-SR04) 

· OLED DISPLAY

· BREAD-BOARD

· JUMPER WIRES

· BATTERY (optional) you can also use by usb cabel power supply

SOFTWARE & APPLICATION

· ARDUINO IDE

https://www.arduino.cc/en/software

CIRCUIT DIAGRAM

ARDUINO CODE'S

#include <SPI.h>

#include <Wire.h>

#include <Adafruit_GFX.h>

#include <Adafruit_SSD1306.h>

 

#define trigPin 9

#define echoPin 8

 

#define OLED_RESET 4

Adafruit_SSD1306 display(OLED_RESET);

 

void setup() {

Serial.begin (9600);

pinMode(trigPin, OUTPUT);

pinMode(echoPin, INPUT);

display.begin(SSD1306_SWITCHCAPVCC, 0x3C); //initialize with the I2C addr 0x3C (128x64)

display.clearDisplay();

 

}

 

void loop() {

float duration;

float distance_cm;

float distance_in;

 

digitalWrite(trigPin, LOW); //PULSE ___|---|___

delayMicroseconds(2);

digitalWrite(trigPin, HIGH);

delayMicroseconds(10);

digitalWrite(trigPin, LOW);

 

duration = pulseIn(echoPin, HIGH);

 

distance_cm = (duration/2) / 29.1;

distance_in = (duration/2) / 73.914;

 

display.setCursor(30,0); //oled display

display.setTextSize(1);

display.setTextColor(WHITE);

display.println("Distance Meter");

 

display.setCursor(10,18); //oled display

display.setTextSize(2);

display.setTextColor(WHITE);

display.println(distance_cm);

display.setCursor(90,18);

display.setTextSize(2);

display.println("cm");

 

display.setCursor(10,45); //oled display

display.setTextSize(2);

display.setTextColor(WHITE);

display.println(distance_in);

display.setCursor(90,45);

display.setTextSize(2);

display.println("in");

display.display();

 

delay(1000);

display.clearDisplay();

 

Serial.println(distance_cm);

Serial.println(distance_in);

}

YOUTUBE VIDEO LINK

https://youtube.com/shorts/bYwQIT8mi_Q?feature=share