Meet The Tacit Project. It’s Sonar For The Blind.
Meet The Tacit Project. It’s Sonar For The Blind. This is a project I’m calling Tacit. No, I didn’t bother making an awkward backronym for it, it just seemed like an appropriate name that’s a lot shorter (though less descriptive) than “Hand-Mounted Haptic Feedback Sonar Obstacle Avoidance Asstance Device”. It measures the distance to things and translates that into pressure on the wrist. It’s wrist mounted and senses objects from about 1 inch (2 cm) to 10 feet (3.5m). Here’s a short video that give more information and shows it in action. Click to enlarge This is the first public prototype. This is vastly different from the first version which was a headband, very similar to the (independently developed) haptic headband. The headband was a great first test, and it did work, but it had two fatal flaws: The most dangerous obstacles are not at head level. I looked at a number of solutions to getting the sensors to look in a more useful direction. Where Can You Get One? Parts: Arduino pins:
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