硬貨サイズの超小型かつ超省電力なWi-Fiカメラ「WiCAM」--スマホにストリーミング - CNET Japan
http://japan.cnet.com/news/service/35078971/
WiCAM: The programmable wireless coin cam by Armstart Inc. ― Kickstarter
https://www.kickstarter.com/projects/1628949700/wicam-the-programmable-wireless-coin-cam