The electronic part was also significantly revised to maintain effective functionality with minimal dimensions. There were several iterations to improve the functionality and ergonomics, using different materials and forms for the design of the case. Pearce’s course of “Open-source 3D printing” in 2018. The first version of Blind Person's Assistant was presented as a part of Open Source Appropriate Technology (OSAT) project for Dr. Sighted blindfolded participants successfully demonstrated the device for eight primary everyday navigation and guidance tasks including indoor and outdoor navigation and avoiding collisions with other pedestrians. To help alleviate this challenge this study reports on the development of a low-cost (20 cm stationary and moving up to 0.5 m/s to ensure their safety and mobility. The quality of life for visually impaired people is hampered by the resultant lack of independence.
Globally, there are 36 million blind people, but less than half use white canes or more costly commercial sensory substitutions. Over 70% are not employed full-time, and more than a quarter live below the poverty line. Nineteen million Americans have significant vision loss. To help alleviate these challenges this study reports on the development of a low-cost (20 cm stationary, moving up to 0.5 m/s) to ensure their safety and mobility. Over 70% of these are not employed full-time, and more than a quarter live below the poverty line.
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