Design and Implementation of an Online-Controlled Running Text Display
Keywords:
Running Text, Telegram, NodeMcu ESP 8266, Dot Matrix P10.Abstract
Running text is one of the digital media to display information to the public with the help of LED (Light Emitting Diode). The information to be displayed should always be up to date, in other words the information displayed is as much as possible the latest information. Therefore we need a device that can replace the information in the running text quickly and practically, one way is by using the telegram application. This system is controlled by the NodeMcu with the ESP8266 microcontroller. While the text display is displayed by 5 P10 LED modules. NodeMCU acts as a gateway connecting system and humans, also acts as a controller for the P10 LED Module. All modules in the system including the NodeMcu and P10 modules use a 5V power supply. Then only 1 power supply module is needed that can convert 220VAC (PLN) electricity to 5V DC. Users communicate with NodeNcu using an internet connection via the Telegram messaging application. Telegram requires a third-party bot that can connect nodemcu users and devices directly. The bot used is the “Universal Telegram Bot”.
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