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To improve services for train passengers, a tool that can display information to train passengers is needed. This information can be displayed on PIDS. PIDS serves to provide information in the form of the location of the train based on GPS coordinates then other information displayed in the form of the trains name, train number, wagon number, and the station the train will pass to. To display this information, PIDS uses components such as GPS, LED Matrix Display, Micro SD Card, which are then controlled by an algorithm using a microcontroller. The goal is to provide information to train passengers so can reduce errors that occur when the train passengers ride the train. In examination, PIDS can display all the information needed by passengers, although there are still some shortcomings such as amount of data that can be accessed from the Micro SD Card is only limited to 30 coordinate data. With the limited data that can be stored, it is very possible the occurrence of limitations in the number of coordinates of the station to be passed by the train in accordance with the route of the train