Team builds Raspberry Pi smart cane to help the visually impaired
Originally published on tomshardware.com by Ash Hill on 6 December 2024
The Green Cane, developed by Team Green Cane, is an innovative project designed to improve the lives of visually impaired individuals by combining advanced technology with a practical tool. At its core, the smart cane is powered by a Raspberry Pi Zero 2 W, chosen for its compact size and low power requirements. This portable device integrates multiple functionalities to enhance safety and navigation.
One of its standout features is the inclusion of a GPS module, which allows the cane’s location to be tracked in real time. This is particularly valuable in emergencies, as it ensures rapid response by pinpointing the user’s exact position. To address personal safety further, the cane is equipped with a motion sensor and accelerometer that can detect falls. When such incidents occur, it sends notifications to designated contacts, ensuring timely assistance.
Real-time alerts are delivered through a built-in speaker, providing immediate feedback for the user. The system is powered by a 2200mAh battery, which supports extended use without the need for frequent recharging, making it ideal for daily use. The software behind the Green Cane, called Becane, is open source and handles data interpretation from the sensors while managing notifications and location tracking. It works seamlessly with TinyIoT to ensure the information is processed and transmitted effectively.
This thoughtful design brings together technology and accessibility, offering visually impaired individuals a tool that not only aids in navigation but also provides an added layer of security. The Green Cane is a prime example of how innovative engineering can address real-world challenges, fostering independence and enhancing quality of life. Detailed information about this project, including its technical aspects and contributors, is available on its Hackster page.
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