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http://dx.doi.org/10.5762/KAIS.2018.19.2.86

Zigbee Communication Based Wireless System for Measuring Lap Time on a Sprints  

Jeong, Seung-Hyun (Div. of Electronics & Information Engineering, Yeungnam University College)
Choi, Deuk-sung (Div. of Electronics & Information Engineering, Yeungnam University College)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.19, no.2, 2018 , pp. 86-89 More about this Journal
Abstract
This paper introduces a ZigBee network-based four-lane lap time measurement system that can be set up for short-distance races. The instructions "Ready-Set-Go" can be announced at the entry point node when the start button is pushed, and foot switches installed at the exit point node can be stepped on by the runner for lap time measurement of the race. The start and exit point nodes are connected to a ZigBee network to communicate time synchronization packets. The exit point node maintains synchronized local time within 10 ms at most. The system does not need expensive measurement equipment and provides lap time recording in a more convenient manner than conventional lap time measurement methods.
Keywords
Lap Time Measurement; Zigbee; Time synchronization; Local Time; 10 milliseconds;
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