Blindness is a state used to describe people that cannot see. Around 80 percent of the information that human beings get from the environment is through sight. Blind people are also members of society and have equal rights, responsibilities, etc. But they face a lot of problems in doing their daily
Modern Eye
Blindness is a state used to describe people that cannot see. Around 80 percent of the information that human beings get from the environment is through sight. Blind people are also members of society and have equal rights, responsibilities, etc. But they face a lot of problems in doing their daily life activities. There is a gap for a more competent Source that is needed to be filled. Blind people have to depend upon others to reach their destination completely. Sometimes they use different Sources for help like a dog or a white cane. But these sources are not much help because the situation can be changed at the very next moment and stick is not enough in various conditions. So, depending upon the white cane, they can face a lot of issues because they don’t know what’s coming next until they reach it and it could be a danger zone for them. For example, they could hit a fast-moving vehicle or walk themselves to a fire or any dangerous place. They could fall into a water pit. There is a need to take white cane towards more betterment. A simple white cane is not enough. It needs to be smarter. It should contain sensors to warn or alert a blind person to avoid hazardous situations and falling into a danger zone. Already developers have made an effort to fill this gap by making a smart stick but this is not enough due to limitations. AI. PATRICK N.K used a raspberry P.I microcontroller control ultrasonic sensor and IR sensor to detect abstract obstacles. Wall M.I introduced a stick using a Pic16f877A microcontroller and one ultrasonic sensor to detect obstacles. My team has a plan to make improvements using advanced technology like using heat sensors, light sensors, water sensors, ultrasonic sensors, etc. Also, we’ll add google maps to it. Mohd Helmyabd Wahab and Amirul A. Talibetal (2022) developed a stick that could communicate with users via voice alerts and vibration signals. Ultrasonic sensors are used to detect obstacles from the front side since ultrasonic sensors are performing efficiently in detecting obstacles from a few meters range and the output will be sent in the form of a voice signal. This voice signal can be sent using any medium like a speaker to the user. It is not easy for visually impaired people to travel without any emergency alert rather than only depending upon ultrasonic sensors.
We proposed a low-cost walking stick in which new implementations are made for blind people. The functionality of this system is that the ultrasonic sensor mounted on it will
receive an input signal and send it to the Arduino circuit board where input will be processed and send output to the buzzer or vibrating motor. The user will use the output received by the Arduino circuit board and understand if there is any obstacle in front of him. The ultrasonic sensor is embedded in the walking stick to detect the obstacles that a blind person can face. If any challenges are coming in front of a blind person, it will alert the blind person to avoid that obstacle. This desired gadget can detect obstacles as well as water in the user’s path. The buzzer or vibration motor will be activated when any obstacle is detected in the user path. It has an additional feature in which it can easily be traced by the user in case he is lost or misplaced and this function is done by adding radiofrequency waves where there is a radio frequency receiver circuit on the stick and a separate radio frequency transmitter circuit which triggers an alarm on pressing a pushbutton. In addition to that, the smart stick is equipped with a GPS. GPS provides information about the location. The location of the user is stored in the database and every time the user is on walking on a route, the piece of code will store its route in the database for future analysis using AI model. It has many advantages like it contains different sensors that will help a blind person to walk more easily. It will help the user by alerting the person if there will be any obstacle coming his way. The user can detect obstacles as well as water in his path. If the user is lost or any tragedy happens, he can easily be traced by his smart stick. It also has a disadvantage like it can alert a blind person when it gets close to danger. It can be expensive for some people. It can have a problem or bug in performance. It can have a low battery problem due to the bulk of sensors.
We will use the agile model for this project. Because Agile methodology eliminates the chances of complete project failure. This approach helps open communication between
the customer and the development team and is great for those who value transparency. We are also planning to make changes and updates according to our business plan in
the future, and Agile allows us to make rapid changes. Agile development necessitates ongoing engagement with stakeholders as well as continuous improvement at each level. This methodology is a very flexible method where we will work on small chunks of the project. In such a scenario, we can access multiple iterations of the project and review the work at each stage. The changes are implemented constantly, and the user can give rapid feedback to the developer. The agile approach supports quick modifications in the project’s scope and direction based on the market changes. Agile is preferred in managing and developing complex IoT development projects that involve variability. It helps the team to develop programs in short iterations that have a specified time frame and deliverable but don’t have a specific order.
| Item Name | Type | No. of Units | Per Unit Cost (in Rs) | Total (in Rs) |
|---|---|---|---|---|
| Arduino UNO | Equipment | 1 | 2500 | 2500 |
| Ultrasonic Sensor | Equipment | 1 | 200 | 200 |
| GPS module | Equipment | 2 | 800 | 1600 |
| Water sensor | Equipment | 1 | 250 | 250 |
| Temperature sensor | Equipment | 1 | 150 | 150 |
| PIR sensor | Equipment | 1 | 200 | 200 |
| LDR sensor | Equipment | 1 | 200 | 200 |
| Vibration motor | Equipment | 2 | 300 | 600 |
| Buzzer | Equipment | 1 | 350 | 350 |
| Mini Breadboard | Equipment | 2 | 100 | 200 |
| Jumper wires | Equipment | 2 | 250 | 500 |
| SD card module | Equipment | 1 | 250 | 250 |
| SD card | Equipment | 1 | 400 | 400 |
| 9V battery connector | Equipment | 1 | 100 | 100 |
| 9V battery charger | Equipment | 1 | 650 | 650 |
| Rechargeable 9V battery | Equipment | 1 | 950 | 950 |
| Aluminum adjustable walking cane | Equipment | 1 | 3000 | 3000 |
| Aflatoon Soldering Iron Kit | Equipment | 1 | 500 | 500 |
| Acrylic Arduino box | Equipment | 1 | 300 | 300 |
| Custom DIY craft | Miscellaneous | 1 | 3000 | 3000 |
| Glue Gun | Miscellaneous | 1 | 1000 | 1000 |
| Total Shipping costs | Miscellaneous | 5 | 400 | 2000 |
| Printing | Miscellaneous | 1 | 300 | 300 |
| Stationary | Miscellaneous | 2 | 400 | 800 |
| Total in (Rs) | 20000 |
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