IoT computing modules are in high demand. In 2014, Onion Corp. set out to develop a small, wireless hardware development platform specifically for software developers. In just four years, the company has launched three remarkably successful crowdfunding campaigns featuring products that appeal to wide range of IoT innovators with diverse skill sets from makers and pro engineers. Onion's CEO Zheng Han talks about his company's IoT computing modules, running successful crowdfunding campaigns, and more.  Onion's Origins  Zheng Han (CEO, Onion Corp.) C. J. Abate: Before we discuss Onion Corp., your IoT computing modules, and your crowdfunding campaigns, tell us about your background. I understand you worked as a software engineer at Siemens. You also interned at Analog Devices. Zheng Han: My background is in electrical engineering with a focus on telecommunication and information systems. The first intern job I took was in a small Canadian co...