Abstract
To tackle the problems brought by the wired terminal multiplying and complexity of the wireless terminal cluster, the thesis designed handheld terminal design based on the wireless sensor Internet for contestants. It solves problems such as complex cluster and bad communication performance of the terminals in traditional contests with the help of zigbee technology. Besides the common function, it possesses extra functions, such as voice prompting, judge scoring and audience voting. The thesis mainly deals with the hardware and software design. The test result shows such design can better meet the needs of sorts of contests with the advantages of automatic networking, multiple function and stable performance, etc.
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