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Eko Wahyu Santoso
Universitas Islam Lamongan

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Rancang Bangun Sistem Monitoring Digester Biogas Berbasis IoT dengan Sensor Multi-Parameter Zainal Abidin; Nur Azizah Affandy; Eko Wahyu Santoso
Jurnal JEETech Vol. 6 No. 2 (2025): Nomor 2 November
Publisher : Universitas Darul Ulum

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32492/jeetech.v6i2.6210

Abstract

This research aims to design and implement a monitoring system for key parameters in the biogas production process, namely temperature, humidity, and pH of cow dung liquid using Internet of Things (IoT) technology. This system is designed to support the efficiency and reliability of the anaerobic fermentation process in a biogas plant digester developed in a livestock environment. A DHT11 sensor is used to measure temperature and humidity, while an analog pH sensor is used to measure the acidity level of the liquid in the digester. All data is transmitted in real time via an ESP8266 module to the ThingSpeak cloud platform, which allows for online data visualization and analysis. Test results show that the system is able to operate stably with an accuracy of ±1°C for temperature, ±3% for humidity, and ±0.2 for pH compared to conventional measuring instruments. This system is expected to assist farmers in continuously monitoring biogas conditions and become the basis for automation of fermentation process control in the future.
Sistem Cerdas Budidaya Jamur Tiram Berbasis Internet Of Things (IoT) Eko Wahyu Santoso; Affan Bachri; Aura Arif Darmawan
Jurnal JEETech Vol. 6 No. 2 (2025): Nomor 2 November
Publisher : Universitas Darul Ulum

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32492/jeetech.v6i2.6206

Abstract

The cultivation of oyster mushrooms (Pleurotus ostreatus) requires optimal temperature and humidity control to ensure maximum growth. One of the main challenges faced by mushroom farmers is the difficulty in monitoring and controlling environmental conditions in real time, which can negatively impact yield quality and productivity. This study aims to design and implement an intelligent system based on the Internet of Things (IoT) to automatically monitor and regulate temperature and humidity in oyster mushroom cultivation rooms. The system utilizes an ESP32 microcontroller as the main controller, a DHT11 sensor for temperature and humidity measurement, a relay module as an automatic switch, a mist maker to maintain humidity, and a DC fan to control air circulation. Environmental data are transmitted in real time to a Telegram Bot application, allowing users to monitor conditions remotely via smartphones. The experimental results show that all system components functioned properly and responsively. The DHT11 sensor accurately detected temperature and humidity variations, the relay operated stably in controlling connected devices, the mist maker effectively increased humidity, and the DC fan successfully reduced room temperature. In addition, the Telegram Bot provided automatic notifications and responded to user commands without noticeable delay. Overall, the IoT-based intelligent system proved effective in maintaining stable environmental conditions for oyster mushroom cultivation, improving monitoring efficiency, and supporting farmers in enhancing both yield quality and productivity.
Optimalisasi Auto Dosing Cement Additive Berbasis PLC-SCADA dengan Kendali Closed-Loop pada Finish Mill Affan Bachri; Moch Syafi Uddin; Eko Wahyu Santoso; Abd Kadir Mahamad
Nucleus Journal Vol. 5 No. 1 (2026): May
Publisher : Universitas Darul Ulum

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32492/nucleus.v5i1.5110

Abstract

PLC is a programmable logic control system that uses a microprocessor as the main controller and is widely applied in industrial automation processes such as monitoring and controlling production machinery. The system is equipped with input and output devices that interact with external components such as buttons, sensors, actuators, and other hardware devices. This technology has been implemented in various fields, including cement production processes. In this study, the programmable logic controller was used to modify the auto dosing system for cement additive with the aim of improving dosing accuracy, enabling real-time monitoring, and developing an auto dosing system capable of adapting to changes in feed material. The previous system operated manually and relied heavily on operator intervention, resulting in inconsistent dosing performance. To overcome these limitations, a programmable logic controller-based control system integrated with a supervisory control and data acquisition system was implemented. The system applied a closed-loop control method to regulate the dosing process in order to achieve stable and consistent output. System performance was evaluated by comparing the accuracy and stability of the flow rate before and after modification. The analysis results showed that the proposed system reduced the error between the setpoint and the actual flowmeter reading from 16% to 3%, decreased flow fluctuations, and improved process stability. In addition, the system enabled centralized monitoring and reduced operator dependency, thereby improving operational efficiency.
Co-Authors Abd Kadir Mahamad Affan Bachri Aura Arif Darmawan Moch Syafi Uddin Zainal Abidin