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Computer Science

Smart-Cane for The Blind with A Sensor Detection Approach

Profile image of Fahmi YusufFahmi Yusuf

2020, Telematika

https://doi.org/10.35671/TELEMATIKA.V13I2.991
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Abstract

Not all humans are created with normal eyes. Blindness is not only interfered with daily activities but also has socio-economic impacts on the environment, society, and the country. Those who have visual impairment usually have difficulty when walking and doing activities, while they still generally use traditional and manual walking sticks to help them. This research aims to help blind people carry out activities and improve facilities to use more sophisticated technology. The method used in this study is to use the prototype method. It is a process where simple modeling allows visually impaired people to have a primary picture of the program and conduct initial testing on tools, and facilitate the blind to interact with each other during the manufacturing process so that developers can easily model the software to be made. The results of this study constructed an automatic stick that can detect obstructions in front and top and detect puddles using a buzzer as a notification if th...

Figures (8)
be seen in the activity diagram as follows: Figure 1. Activity Diagram of Proposed Tools
be seen in the activity diagram as follows: Figure 1. Activity Diagram of Proposed Tools
Figure 2. Proposed Prototype Tool Design 2. Prototype Diagram
Figure 2. Proposed Prototype Tool Design 2. Prototype Diagram
Table 1. Front sensor testing table From the data Table 1, it has been determined manually measuring distances, respectively, fot
Table 1. Front sensor testing table From the data Table 1, it has been determined manually measuring distances, respectively, fot
Table 2. Top Sensor Testing Table In the test results of Table 2 also produces a good response; all sensors are readable by sound on
Table 2. Top Sensor Testing Table In the test results of Table 2 also produces a good response; all sensors are readable by sound on
‘beep.’ The graphic display can be seen in figure 3. Figure 3 is a visual representation of the test results between objects and devices to get an optimal within 75 cm. And the test results with a distance above all sensors respond well by making a sound
‘beep.’ The graphic display can be seen in figure 3. Figure 3 is a visual representation of the test results between objects and devices to get an optimal within 75 cm. And the test results with a distance above all sensors respond well by making a sound
Figure 4. The Top Sensor Testing Chart From the results of testing the hcr04 proximity sensor that has been done above, it can be determined the value of the sensor error using the following equation:
Figure 4. The Top Sensor Testing Chart From the results of testing the hcr04 proximity sensor that has been done above, it can be determined the value of the sensor error using the following equation:
Table 3. Water Sensor Performance Testing In Table 3, the test results explain that the sensor responds if it touches the water surface and vic Water Level Sensor Test Results: versa. This aims to make blind people know if there is water in front of their steps that could be dangerous
Table 3. Water Sensor Performance Testing In Table 3, the test results explain that the sensor responds if it touches the water surface and vic Water Level Sensor Test Results: versa. This aims to make blind people know if there is water in front of their steps that could be dangerous
Calculation of the error value on the hcsr04 front test: The calculation results that are displayed visually in Figure 5 illustrate the error value that appears from calculating the distance of the object with the device from the front with manual counting. Agains
Calculation of the error value on the hcsr04 front test: The calculation results that are displayed visually in Figure 5 illustrate the error value that appears from calculating the distance of the object with the device from the front with manual counting. Agains

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