Wearables for Construction

SolePower’s integrated, self-powered device in its footwear provides real time location and data tracking of the workforce. Beyond the obvious accountability and emergency response features, this wearable can preemptively identify fatigued employees by the change in their gait along with a few other parameters.
http://constructionexec.com/article/wearables-for-construction

Invention Awards 2014: Charge Gadgets With Your Footsteps

Stanton worked closely with Hahna Alexander, a fellow Carnegie Mellon University engineering student, over three years to create the SolePower system. Instead of using piezoelectric and other inefficient, bulky methods of generating electricity, the pair shrunk down components similar to those found in hand-cranked flashlights. The result is a near standard–size removable insole that weighs less than five ounces, including a battery pack, and charges electronics via USB.
https://www.popsci.com/article/science/invention-awards-2014-charge-gadgets-your-footsteps