A good teardown can be as satisfiying (if not more) as a really good maker project. txyz.info on Hackaday.io gets into the nitty-gritty with Amazon’s wearable.
Amazon Halo Teardown, Chip decapping, and PCB delayering
Every Wednesday is Wearable Wednesday here at Adafruit! We’re bringing you the blinkiest, most fashionable, innovative, and useful wearables from around the web and in our own original projects featuring our wearable Arduino-compatible platform, FLORA. Be sure to post up your wearables projects in the forums or send us a link and you might be featured here on Wearable Wednesday!