To help people with vision problems

Designer Jin Woo Han (Jin Woo Han) came up with the concept of an interesting and useful gadget for people with vision problems.



This concept, called Tactile Wand, is equipped with a sensor that allows you to determine the distance to the object in front of the user. Information about the distance is transmitted to the owner of the device using vibration signals. The stronger the vibration, the closer the object or obstacle.
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via Engadget