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VPManske / Digital-White-Cane

The Digital White Cane is a primary electronic mobility head mount aid for use by people who are blind or visually impaired; it is a major "step forward" in assistive technology that allows safe obstacle avoidance and permits navigation around obstacles both in the user's forward path and whatever direction the user turns their head before walking in that direction, giving valuable protection at head/chest height while the cane still cover ground obstacles.
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Digital-White-Cane

The traditional White Cane has not changed in years. We propose an upgrade using technology that has only recently become avaiable small enough and cheap enough to be used in a consumer scale project.

We use Time of Flight (ToF) optical sensors to measure the distance to obsticals. Multiple sensore mounted at head or chest level report distance data to a microcontroller the converts this information to haptic feedback. The user can "feel" the world around them.

The software down in https://github.com/VPManske/Digital-White-Cane/tree/master/three%20programs%20that%20kinda%20work/first/TeensyForDWC is for the prototype made late in 2017 with LRA haptic output, and salvaged blinking LEDs for debugging. The early 2018 hardware go somewhere easier to find.