International Research Journal of Engineering and Technology (IRJET) Volume: 12 Issue: 12 | Dec 2025
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e-ISSN: 2395-0056 p-ISSN: 2395-0072
Tech Cane For Enhanced Independence Spoorti swami1, Shreya channi2, Anandraddi.N3 1Student at S.G.Balekundri institute of technology, Belgavi,Karnataka,India 2Student at S.G.Balekundri institute of technology, Belgavi, Karnataka, India
S.G.Balekundri institute of technology, Belgavi, Karnataka, India -----------------------------------------------------------------------***-------------------------------------------------------------------------3Assistant Professor,
Abstract - The Tech Cane is an intelligent assistive
cars, or significant items thanks to a camera module with real-time object identification. It can also instantly deliver audio response via an integrated speaker. Furthermore, continuous position monitoring is made possible by the integration of GPS, and in emergency scenarios, caregivers can get emergency messages with location information thanks to the GSM module. Additionally, an alarm system is provided to assist find the cane in case it becomes lost and to alert those in the vicinity in case of an emergency.
technology intended to promote the mobility, security, and self-sufficiency of visually impaired people. The system incorporates a number of sensing and communication technologies, such as GPS for real-time position tracking, GSM for emergency alerts, a water-level sensor, a small camera with object identification and audio announcements, and ultrasonic obstacle detection. Instantaneous auditory input on barriers, nearby objects, and crucial circumstances is provided by an onboard speaker. Additionally, the gadget has an alarm system to assist find the cane when it becomes lost and to alert anyone in the vicinity When an emergency arises. The ESP32 microprocessor, which powers the Tech Cane, allows for wireless connection, low power consumption, and effective sensor integration.
2. Literature Review Over the past ten years, assistive technologies for people with visual impairments have changed dramatically, particularly with the development of embedded systems and sophisticated sensing devices. Despite being widely used for decades, traditional mobility aids like the white cane and guide dogs provide little assistance in identifying environmental risks, moving items, or steep obstructions. In order to increase navigation safety, this gap has prompted researchers to investigate electronic travel aids (ETAs) that integrate sensors, microcontrollers, and feedback systems. Early ETA research was mostly concerned with ultrasonic obstacle detection systems. These investigations showed that ultrasonic sensors were appropriate for real-time feedback as they could consistently identify objects at various distances. However, these methods usually lacked contextual awareness of the surroundings and only offered basic distance measures. Subsequent developments included vibration feedback and infrared sensors, which gave users a more user-friendly method of detecting obstructions, but one that was still restricted. Researchers started creating more complex assistive gadgets that integrated many sensors when lowcost microcontrollers like Arduino, Raspberry Pi, and ESP series boards became available. Numerous prototypes supported outdoor navigation and position tracking by combining GPS modules with ultrasonic sensors. Route monitoring was improved by these systems, although they often needed complicated hardware configurations or high power. Researchers investigated the application of camera based identification systems for environmental awareness and item detection as computer vision capabilities developed. Real-time item detection might greatly improve user safety, according to studies employing OpenCV and lightweight machine learning models. However, these
Key Words: Smart cane, navigation, GPS, GSM, Visual impairment.
1.INTRODUCTION Millions of people have partial or total vision impairment, making independent movement a daily struggle, according to worldwide health data. Traditional items like the white cane or guide dogs are frequently needed to help navigate public areas, avoid obstructions, and recognize environmental risks. Although somewhat successful, these techniques have drawbacks. For example, the traditional cane cannot recognize objects, detect barriers higher than waist height, or offer information about the user's whereabouts or situations. Because of this, visually impaired people may experience safety hazards, diminished self-esteem, and restricted freedom. Rapid developments in wireless communication, smart sensors, microcontrollers, and artificial intelligence have opened up new avenues for assistive device improvement in recent years. These technologies can greatly improve user safety and environmental awareness when included with mobility aids. Inspired by this need, the Tech Cane project seeks to develop a cutting-edge, clever substitute for the conventional white cane that provides all-encompassing assistance for those with visual impairments. The Tech Cane is a small, light, and reasonably priced device with several sensor and connectivity modules. A water detection module warns the user of slick or wet routes, and ultrasonic sensors are utilized to identify obstructions at different distances. The gadget can recognize people,
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