Startup sells a stamp-sized Linux server for $5

A start-up has completed a crowdfunding campaign for a stamp-sized Linux server development kit that has integrated Wi-Fi and on-board flash storage for DIYers to build hardware or IoT applications.
Boston-based Onion Corp. began its Indiegogo crowdfunding campaign in July and by Aug. 23 had already received more than $773,400 in pledged funding -- 4,400 times its funding goal.
The Onion Corp. said its new Omega2 computer is compatible with a power-sipping Arduino motherboard but it also has th