🚀 Object Detection using STM32 and Ultrasonic Sensor (Displayed on LCD)

This project implements a basic object detection system using an ultrasonic sensor (like HC-SR04) with an STM32 microcontroller. The detected distance is displayed in real-time on a 16x2 I2C LCD. It’s useful for proximity alerts, obstacle detection, or DIY automation systems.

---

📦 Features

• Real-time object distance measurement
• Visual output on 16x2 I2C LCD
• Threshold-based object detection alert
• Easy to extend for buzzer/LED alerts or WiFi transmission

---

🔧 Hardware Used

Component	Description
STM32 MCU	STM32L4BL475EIOT1A
Ultrasonic Sensor	HC-SR04
LCD Display	16x2 I2C LCD
Jumper Wires	For connections
Breadboard	For prototyping

---

🔌 Wiring Diagram

Ultrasonic Sensor	STM32 Pin
VCC	5V / 3.3V
GND	GND
Trig	PD6
Echo	PD7

I2C LCD	STM32 Pin
SDA	PD13
SCL	PD14
https://github.com/arjun123445678/Object-Distance-detection-using-STM32/blob/main/WhatsApp%20Image%202025-04-23%20at%2008.41.18_1f68e507.jpg