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The Campbell Scientific Cr6 computer was selected for level 1 in semester one due to its proven reliability. Campbell Scientific delivers robust computers for data sampling and control. Their computers have been successfully used for projects in cold environments such as long-term monitoring in Greenland, maritime environments with movement and vibrations such as a buoy system in the Caribbean Sea and in systems with strict reliability requirements such a weather stations at military airports. The Campbell Scientific CR6 uses a Renesas RX63N processor with a clock rate of 100 MHz and has 16 general I/O pins with dedicated hardware for support of numerous communication protocols. The CR6 was chosen over other similar products from Campbell Scientific due to the need of I/O ports. The CPU in the CR6 is also among the fastest in their product range.