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About 90% of the world's visually impaired live at low income. In particular, 39 million are blind and 246 have low vision, which means approximately 3.9% of the population (7.261 billion in 2014) around the world have the eyes problems. World Health Organization pointed that 285 million people are estimated to be blind and visually impaired (B&VI) worldwide in 2014 (Visual Impairment and Blindness, 2016). This is joint work of Instituto para Ciegos y Débiles Visuales “Ezequiel Hernández Romo”, Universidad Politécnica de San Luis Potosí, and Tecnológico de Monterrey with ongoing project “Artificial Eyes” based on Raspberry Pi 3 Model B board with an ultrasonic sensor and camera for the image and/or video processing of the surrounding environment, as well as the friendly integration into the local networks using onboard WiFi and Bluetooth.
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All devices are of the budget price up to USD 10. Nowadays, Universidad Politécnica de San Luis Potosí is negotiating with several organizations to create a production line. The distance is pronounced to the B&VI using headphone and MP3 player with SD card. The second device supports the orientation of B&VI by measuring the distance to the obstacle based on the ultrasonic sensor HC-SR04 and Arduino Uno. Ten assistive devices were handed in Instituto para Ciegos y Débiles Visuales “Ezequiel Hernández Romo” together with WiFi router. End-users are securely connected using the password to wireless router.
#Iglasses ultrasonic mobility aid portable#
Mini portable WiFi router links all devices in the network. The NodeMcu Lua ESP8266 ESP-12 WiFi boards in devices are controlled by the cross-platform HTML web-sites, and hence any WiFi smartphone and / or computer can be in use to start the HTML web-page. Every golf flagstick has the sound marking device with the active buzzer and WiFi remote control by the person with good vision. The first device supports the sport activities of B&VI, the golf game specifically. AbstractIn this paper, two assistive projects on the spatial cognition by blind and visually impaired (B&VI) people are presented using the sound patterns and ultrasonic sensing.