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Rancang Bangun Sistem Palang Pintu Otomatis Berbasis Arduino Uno Dengan Teknologi RFID Dawasoka, Siti Milda Alkan; Kautsar, M. Dimas; Firizki, Muh; Rahman, Abdul
MDP Student Conference Vol 4 No 1 (2025): The 4th MDP Student Conference 2025
Publisher : Universitas Multi Data Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35957/mdp-sc.v4i1.11150

Abstract

This research develops a prototype of an automatic gate barrier system based on Arduino Uno by implementing RFID technology. The system is designed to improve the efficiency of entry and exit access in parking areas, reduce vehicle queues, and provide greater convenience for users. It utilizes RFID technology to identify registered cards and automatically open the gate barrier if a valid card is detected. Additionally, the system is equipped with an infrared sensor to detect vehicles that have passed through the barrier. The automatic gate barrier system employs an Arduino Uno microcontroller as the central control unit for the entire system. This system is expected to address common issues encountered in manual parking systems. The testing results of the automatic gate barrier system include RFID tag reading capability, registered RFID verification, the distance between the RFID card and the RFID reader, as well as the infrared sensor functionality, all of which demonstrate that the system operates effectively.
Implementasi Sistem Monitoring Level Air Real-Time Berbasis Web Kautsar, M. Dimas; Firizki, Muh; Widianto, Eka Puji
MDP Student Conference Vol 5 No 2 (2026): The 5th MDP Student Conference 2026
Publisher : Universitas Multi Data Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35957/mdp-sc.v5i2.15262

Abstract

Manual water level monitoring is ineffective and unable to provide real-time data. This study develops an Internet of Things-based water level monitoring system using ESP32 and HC-SR04 ultrasonic sensor to monitor water height in a 1200-liter capacity tank. The system employs Research and Development method encompassing requirement analysis, design, implementation, and testing. Implementation results demonstrate the system successfully reads water level changes in real-time through OLED and local web dashboard based on SPIFFS. Testing across various water height conditions shows an average measurement error of 1 cm with response time of 1-2 seconds. The system classifies water conditions into Empty, Filled, and Full with appropriate buzzer response. Local web server implementation enables the system to operate independently without external server, making it effective for small-scale water tank applications.