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International Research Journal of Engineering and Technology (IRJET)

e-ISSN: 2395-0056

Volume: 11 Issue: 05 | May 2024

p-ISSN: 2395-0072

www.irjet.net

SMART BLIND STICK WITH GPS AND GSM BASED TRACKING WITH VOICE OUTPUT ON OBSTACLE DETECTION PANDA SRI PAVANI1, KETHA TEJA2, BOMMA VARSHITHA3, Dr.TDNSS.Sarveswara Rao4 123Graduate Student,

4 Associate Professor, Department of Electronics and Communication Engineering, Sri Vasavi Engineering College,

Tadepalligudem, West Godavari, Andhra Pradesh, India. ---------------------------------------------------------------------***--------------------------------------------------------------------people. A moisture sensor is connected at the end of the Abstract -Today, many blind individuals struggle with

stick, to alert the user that he is moving towards Drain or Water contained area. This system is programmed using an Arduino IDE-based compiler and an onboard-based USB programmer. Embedded C language is used to code this hardware unit. A combination of Analog and digital pins is used to interface the sensor and output devices.

daily tasks and face risks when traveling. Ensuring their safety and security is crucial. This innovative project features a blind stick with useful sensors like ultrasonic and moisture sensors, a fall detection system, and a person detection feature. The ultrasonic sensor detects barriers using sound waves, relaying this data to a microcontroller. Upon sensing a nearby obstacle, a buzzer notifies the user. If a person or their cane falls, the fall detection system, utilizing an accelerometer, triggers a voice-based alert. A moisture sensor at the tip of the cane alerts the user to damp or perilous areas. Additionally, a panic switch may be incorporated for emergencies, activating a buzzer to alert nearby individuals. For live tracking, GSM and GPS modules are integrated. During emergencies, the device transmits the user's location to a registered mobile number via a Google Maps link. Fundamentally, this initiative seeks to improve the safety and autonomy of visually impaired individuals by furnishing a reliable and adaptable tool for navigating their surroundings effectively.

The emergency button also integrates with the system; this button can also be linked to the glove. In the event of any crisis, the user can activate this button, and the GPS coordinates of the user are transmitted to their family members. The power supply configuration of the system includes a 12V Battery, Voltage Stabilizers, Filter Capacitors, and Charging Circuit. A 12V Output from a 7812 Voltage stabilizer and a 5V Output from Voltage stabilizers are utilized to energize the Microcontroller, Accelerometer, and Ultrasonic Sensor. Filter capacitors are employed to eliminate fluctuations from DC Voltage. A charging Circuit, alongside a 12V adapter, is utilized to recharge the 12V battery.

2. Literature Survey

Key Words: ultrasonic sensors, moisture sensors, voice-based alert, GSM module, GPS module .

G. Gayathri, M. Vishnupriya, R. Nandhini, and M. Banupriya et al. among others, propose a study aimed at assisting visually challenged individuals in walking more confidently The study introduces a novel concept: the smart walking stick, crafted to warn visually impaired individuals of obstacles, pits, and water along their path, consequently mitigating the likelihood of accidents. This innovative solution holds significant promise as a navigational aid for the visually impaired community.

1.INTRODUCTION A visually impaired cane is a cutting-edge device designed for individuals with visual disabilities to enhance navigation. The envisioned, sophisticated cane empowers visually impaired individuals to navigate effortlessly using state-of-the-art technology. Our proposed project begins by employing an ultrasonic sensor to identify obstacles without physical contact, utilizing ultrasonic waves. Upon detection of obstacles, the sensor relays this specific information to the microcontroller. Subsequently, following data analysis by the microcontroller, it evaluates the closeness of the obstacle. If the obstacle is distant, the circuit remains inactive. However, if it's in close proximity, the microcontroller initiates a signal to activate a buzzer.

The smart walking stick comprises a simple design equipped with various sensors to provide real-time environmental information. Integrated GPS technology, along with pre-programmed locations, assists in determining the most suitable route to take. Users can select their desired destination from a predefined list stored in the device's memory, enabling the stick to guide them in the correct path. Components utilized in this system include ultrasonic sensors, pit sensors, water sensors, GPS receivers, level converters, drivers, vibrators, voice synthesizers, keypads, speakers or headphones, PIC controllers, and batteries. The overarching objective of

This system is equipped with fall detection system. This system is designed using an accelerometer. If Person or His / Her stick fall down and Voice based Audio output will be generated for requesting of Help from nearby

Impact Factor value: 8.226

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