LinuxDevices.com takes a look at the Hubit, a small Linux-based “black box” type device that resides on the web and interfaces to various industrial field buses, allowing remote web-based supervision of building automation and industrial processes. The Hubit's users are presented with real-time animated presentations of individual remote processes, viewed on any convenient computer having a Java-enabled web browser. The system is based on an ETRAX system-on-chip embedded processor running a patched Linux 2.4.19 kernel. This device profile briefly covers the functions of the device, its internal hardware and software, and why Linux was selected as its embedded operating system . . .

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