Accident Alert System using GPS, GSM and ESP32 for Bike Safety

Description

#AccidentAlertSystem #BikeSafetyProject #ESP32Project 
#GPSGSM #MotorcycleSafety #CrashDetection #TwoWheelerSafety

📝 Introduction

Road accidents involving two-wheelers are a major cause of fatalities worldwide. Often, victims remain unattended for critical minutes due to delayed communication. This project aims to provide a real-time accident detection and alert system for bike riders using an ESP32 microcontroller integrated with GPS & GSM modules.

An accelerometer sensor continuously monitors the bike’s tilt and impact. When a fall or collision is detected, the system activates a buzzer for 10 seconds as a warning. If the rider presses the reset/manual button within this time, the alert is cancelled. If no response is received, the ESP32 automatically sends the live GPS location to a pre-set mobile number via GSM. The link can be opened in Google Maps to show the exact accident location.

This low-cost, scalable system ensures faster emergency response and improved rider safety.

🎯 Objectives

1. Detect accidents using an accelerometer and ESP32.
2. Trigger a buzzer alarm for 10 seconds after detection.
3. Send GPS coordinates to a mobile number via GSM if the alert isn’t cancelled.
4. Provide a manual emergency button for manual alerts.
5. Display live location link on mobile for immediate rescue.

🛠️ Components Used

1. ESP32 Microcontroller
2. Accelerometer Sensor (e.g., ADXL335 / MPU6050)
3. GPS Module (NEO-6M or similar)
4. GSM Module (SIM800L / SIM900)
5. Buzzer
6. Reset / Manual Emergency Button
7. Rechargeable Battery Pack
8. Connecting Wires, PCB / Breadboard

⚙️ Methodology

The accelerometer sensor constantly monitors the tilt and movement of the bike. When a fall or abnormal tilt beyond a set threshold is detected, the ESP32 triggers a buzzer for 10 seconds. If the reset button is pressed within this period, the system cancels the alert.

If not, the ESP32 uses the GPS module to fetch the real-time location and sends it to a pre-configured mobile number via the GSM module. The message contains a clickable Google Maps link for quick access to the location. A manual button is also provided to instantly send an emergency alert without waiting for detection.

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If you need this project using different Microcontroller Like Node MCU, Arduino, Rasbperry Pi etc. Contact us

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Contact us:
👨🏼‍🏭Dr. Vipin Kumar Sharma
Ph.D., M.Tech, B.Tech in ECE
🎓Lecturer 🚀#Researcher #Drone #Robotics

WhatsApp : https://wa.me/919810326343

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