TetraChrome Lenses: Smart Glasses for Visually Impaired People

TetraChrome Lenses is a portable, robust and efficient device capable of assisting a visually impaired person in a seamless manner. The device integrates different technologies like computer vision, embedded systems, and text-to-speech to create a powerful personal assistant for the blind. It generates audio cues and haptic feedback for helping the blind person to perceive and interact with the surrounding.

Prerequisites

1. Raspberry Pi 3B+
2. USB Camera
3. Switch Board with 4 switches (Attach 4 switches on the GPIO pins 17, 18, 22, 27)
4. Power Supply for Raspberry Pi (You can also use a Power Bank)
5. Bluetooth Earpiece

Optional (In case of Overheating)

1. Heat Sink
2. Cooling Fan

Getting Started

Access the Raspberry Pi via SSH

ssh pi@<ip-address>
<password>

Installation

1. Firstly, install virtualenv

pip install virtualenv

2. Create a project folder

mkdir TetraChrome_Lenses
cd TetraChrome_Lenses

3. Initialize virtual environment

virtualenv venv

4. Activate the virtual environment

source venv/bin/activate

5. Clone the Repo

(venv) git clone https://github.com/ankursikarwar/TetraChrome-Lenses.git

6. Navigate to the sub-folder

(venv) cd TetraChrome-Lenses

7. Install the dependencies

(venv) pip install -r requirements.txt

Starting the Application

Attach the USB camera and run main.py

(venv) python main.py