An innovative project in three months!

AGENDA 1 2 3 4 5 6 App Features GDSC & Flutter Demo Challenges Conclusion NaviDot

Electrical Engineering Student Concordia University Sumaiya Abedin Computer Engineering Student Concordia University Firdaws Bouzeghaya Computer Engineering Student Concordia University Kawther Bouzeghaya Computer engineering Concordia University Bayan Alsalem Meet the Team Ryan Morin ‹#› Electrical Engineering Student Concordia University

Community groups for college and university students interested in Google developer technologies. The Concordia club offers mentorship programs where students are paired with experienced mentors from the tech industry. What is GDSC? 1

What is NaviDot ? 2 It offers a real time text-to-speech and text-to-Braille device that prints the names of restaurants, schools, cafes and more along the user's route, giving them access to information about their surroundings.

A portable Braille-printing device that: Has a dynamic Braille display that prints user surroundings in Braille Presents the user's surroundings in Braille text mechanically Detects collision and notifies users using haptic feedback Has a speaker that tells the users about their surroundings NaviDot Consists of 3

An App that: Allows user to connect to the device Allows the user to select their destination Allows users to select the device’s preferences Range, Category, Printing Speed. 4 NaviDot Consists of

App Features Dual Functionality: Audio & Braille Mode Quick Emergency Dial Category Selection 5 Live Location

App Features Modify Device Preferences 6 Bluetooth Connection User’s Location Tracking

Technologies Used 7 LiDar Sensor

Architecture Diagram 8

9 Hardware Design and Features Front Layer Back Layer Push Buttons Lidar Sensor Braille Dots

3D Mechanical Design 10 Exploded View Top View Side View

Demo 11

Challenges Unstable Bluetooth Connection. Few Documentation Available. Get The user’s exact location. Compass. + + + + 12

Packages Used 2 3 4 1 Bluetooth Low Energy (BLE) Designed for short range communication. Optimized for low energy consumptions. Transmits small packets of data LatLng Provides LatLng calculations. Handles geographical coordinates. Provide Geodesy calculations, such as bearing. FlutterTTS Integrates text to speech functionality. Allows various customization options such as voice output type, language, accents.. Google MAPS API Displays maps. Adds markers. Customizes maps styling. Implements gestures such as zooming in/out. 13

v THANK YOU! 14 Q&A!!