On the opposite side of the track, you will have a laser that is aligned with the photoresistors. This module acts as the master, from the LED button pad you will decide when to start the timer. In the finish line, you will have an Arduino UNO, nRF24L01+ Transceiver, LED button pad, photoresistors, LEDs, plastic enclosure, and tripod together with my Finish Line PCB. The system consists of two finish line modules and one start line module. This is a major price difference with other systems, considering that it has a very decent precision and has a wireless range that exceeds almost any Track and Field oval in the world. Accounting for the different prices across the world, absolutely all of the components and parts needed for the complete system should cost around 100USD. I had been working on line-follower robots with Arduino for some time, so I realized that an affordable, wireless and precise laser gate timing system made of easy to find components should be possible. However, living in a third-world-country means that shipping from the US is expensive and sports clubs and educational institutions do not have precise timing systems as a funding priority. Some of the data that are collected include the number of visitors, their source, and the pages they visit anonymously.During my Track and Field training sessions, my coach often expressed his desire to have a more precise way of measuring an athlete's performance. Installed by Google Analytics, _gid cookie stores information on how visitors use a website, while also creating an analytics report of the website's performance. The pattern element in the name contains the unique identity number of the account or website it relates to.
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