Compass Vibro Anklet
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Eric and Skory are currently working on a vibro-tactile compass in Anklet form.
The Idea
Like everyone, we are inspired by [that German dude's belt ], but think the belt's dumb. Skory thought of pairing an accelerometer with a compass to build a bracelet responds to the relative difference in motion of the arm vs. direction to north. Eric suggested doing that instead in an anklet. Running into difficulties with the whole accelerometer business, we're starting simple just building a vibrating anklet, and teaching an Arduino to talk to it and a HM55B 2-axis compass chip (we are actively pursuing economically upgrading to a 3-axis chip).