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Limitless

Innovation Fest 2025

About Limitless

Introducing the Smart Rearview Mirror Spectacular
Upgrade your driving experience with the Smart Rearview Mirror Spectacular— an innovative safety device that combines day and night vision cameras, ultrasonic sensors, and a temperature monitor into one intelligent system. Designed to enhance visibility and awareness in all conditions, this smart mirror helps prevent accidents and keeps you informed, alert, and in control. Perfect for everyday drivers, fleets, and commercial vehicles alike.

UN SUSTAINABILITY DEVELOPMENT GOALS

Empowered and Driven:
Delivering Solutions for Global Issues

UN SDG 3: Good Health and Well-Being
Target 3.6: By 2030, halve the number of global deaths and injuries from road traffic accidents.

The Smart Rearview Mirror Spectacular directly supports this goal by enhancing driver visibility and awareness through its intelligent camera and sensor system. By providing real-time feedback on obstacles, surrounding conditions, and temperature hazards, the product helps prevent accidents caused by blind spots, limited visibility, and poor weather.

This innovation contributes to safer roads, fewer collisions, and reduced injuries making everyday driving healthier and more secure for individuals, families, and communities worldwide.

THE STORY BEGAN

DESIGN STORY

Challenges

Hardware Integration: Combining multiple components (camera, sensors, display, temperature module) into a compact, durable, and vehicle-compatible unit poses significant design and engineering challenges. Power Supply & Compatibility: Ensuring the device works seamlessly with various vehicle models, especially older ones, without draining the car battery or causing electrical issues. Data Accuracy & Calibration: Achieving consistent performance from the ultrasonic sensor and temperature sensor requires precise calibration and real-world testing across different environments. Software Development: Developing a responsive and user-friendly interface that displays sensor data in real-time without lag, while also ensuring software stability and low latency. Regulatory Compliance: Meeting safety and manufacturing standards for automotive electronics in different markets requires research and proper certification.

Solution

Use modular hardware design for easier integration and upgrades. Develop universal power adapters compatible with most vehicles. Conduct extensive field testing for accurate sensor calibration. Optimize software using lightweight, real-time processing frameworks. Source high-quality yet cost-effective components through bulk partnerships. Consult with industry experts to ensure compliance with safety standards.

Use Case

A delivery driver navigates busy city streets, often reversing into tight loading zones and driving through areas with heavy traffic and poor visibility. Traditional mirrors don’t provide enough visibility to detect low-lying obstacles or moving objects like cyclists or pedestrians in blind spots. With the Smart Rearview Mirror Spectacular, the driver gets a real-time camera feed of the rear view, obstacle alerts from ultrasonic sensors, and temperature warnings for icy roads—all in one device. This helps the driver park safely, avoid collisions, and stay on schedule with fewer incidents. Improved safety, fewer accidents, reduced vehicle damage, and increased confidence while navigating urban environments.

TECHNOLOGIES

List of Essential Tools and Technologies

THE PROCESS

PROTOTYPE DESIGN

Our prototype is built around a Raspberry Pi 4, functioning as the central control unit for a smart rearview system. It integrates multiple sensors and output components to enhance driver awareness and safety.

Key Components & Functions:
Raspberry Pi 4:
Acts as the core processor, running Python scripts to manage sensor data, display output, and sound alerts.

Raspberry Pi Camera:
Mounted at the rear of the vehicle, it streams live video to an HDMI screen, providing clear rear visibility for the driver.

DHT11 Temperature Sensor:
Monitors the external environment and displays real-time temperature readings on the screen, warning the driver about cold or potentially icy conditions.

HC-SR04 Ultrasonic Sensor:
Measures the distance between the vehicle and any obstacle behind it. If an object comes within a set threshold, it triggers a proximity alert.

Buzzer:
Connected to the Pi, it emits a beeping sound when the ultrasonic sensor detects that an object is too close, helping prevent collisions while reversing or parking.

HDMI Screen:
Displays the live camera feed, temperature data, and visual indicators for obstacle detection, creating a complete smart rearview interface.

This prototype demonstrates how multiple low-cost components can work together to create an intelligent, real-time driver assistance system. It offers visual and audio feedback to improve safety and awareness, making it a practical and affordable solution for everyday vehicles.

Online Marketing
Creative agency
Web development

PLEDGE

Impact on the market

The Smart Rearview Mirror Spectacular introduces an affordable, smart safety upgrade for vehicles, filling a major gap in the automotive aftermarket. Unlike high-end built-in systems, it offers features like live camera view, object detection, and temperature alerts all in a compact, retrofittable design.

By improving visibility and situational awareness, it helps reduce accidents and appeals to both individual drivers and fleet operators. This product makes advanced driver assistance accessible to the broader market, contributing to safer roads and smarter vehicles.

RESULTS

FINAL PRODUCT

1.) Problem Identification:
Recognised the need for improved rear visibility and safety in vehicles, especially in low-end and older models.

2.) Concept Design:
Designed a smart rearview mirror system integrating a camera, temperature sensor, ultrasonic sensor, HDMI display, and buzzer for enhanced awareness.

3.) Component Selection:
Chose hardware including the Raspberry Pi 4, DHT11 sensor, HC-SR04, Raspberry Pi camera, and buzzer for reliable performance and affordability.

4.) Prototype Development:
Built and wired all components, programmed the system to display real-time data and trigger alerts based on sensor input.

5.) Testing & Calibration:
Conducted multiple field tests to fine-tune sensor accuracy and system responsiveness under different conditions.

6.) User Interface & Display:
Used an HDMI screen to show live camera feed and display temperature readings and proximity alerts clearly to the driver.