Ethernet Shield / UCC / W5100 / W5100 / W5200 / W5200 / WIZ820io Bascom project – Ethernet Shield & WIZ820io BASCOM-AVR© is the original Windows BASIC COMPILER for the AVR family. It is designed to run on XP/VISTA/WIN7 and WIN8. This product description is updated in 2014. But we do not change it each time we update the software. In the on line help you can find a list of all statements and functions.