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All Journal Journal of Engineering, Electrical and Informatics Jurnal Publikasi Ilmu Komputer dan Multimedia
Didi Susilo Budi Utomo
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Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering

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Perancangan Sistem Monitoring dan Evaluasi Kelembaban Tanah pada Tanaman Pot Berbasis Esp32 Akmar Sapto Pamungkas; agusma wajiansyah; Didi Susilo Budi Utomo
Jurnal Publikasi Ilmu Komputer dan Multimedia Vol. 5 No. 2 (2026): Mei: Jurnal Publikasi Ilmu Komputer dan Multimedia
Publisher : Pusat Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jupikom.v5i2.7015

Abstract

Merawat tanaman dalam pot di lingkungan perkotaan Samarinda membutuhkan perhatian khusus terhadap kebutuhan air, mengingat karakteristik media tanam yang mengalami perubahan kelembapan lebih cepat daripada lahan terbuka. Kelembapan tanah yang tidak terkontrol dapat menyebabkan tanaman mengalami stres air, baik karena kekurangan maupun kelebihan air, yang memengaruhi kesehatan dan pertumbuhan tanaman. Penelitian ini bertujuan merancang bangun sistem monitoring kelembaban tanah pada tanaman stroberi dan lidah buaya dalam pot berbasis IoT menggunakan mikrokontroler ESP32 yang terintegrasi dengan platform ThingSpeak. Sistem mencakup dua sensor soil moisture YL-69 untuk mendeteksi kondisi kelembapan tanah, dengan nilai kelembaban ditampilkan secara real-time pada layar OLED 0,96 inci dan dikirimkan ke platform ThingSpeak melalui koneksi WiFi. Hasil pengujian menunjukkan rata-rata tingkat kesalahan sensor sebesar 1,9%, yang masih di bawah ambang toleransi 5% untuk sistem monitoring berbasis sensor analog. Latensi pengiriman data rata-rata berkisar antara 1,1 hingga 1,6 detik, yang masih dalam batas normal untuk sistem monitoring IoT.
Design and Simulation of an Automatic Temperature-Based Air Conditioner Control System Using ATmega16 Aldrin Julianda Putra; Dwi Titi Maesaroh; Didi Susilo Budi Utomo
Journal of Engineering, Electrical and Informatics Vol. 6 No. 2 (2026): Juni: Journal of Engineering, Electrical and Informatics
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jeei.v6i2.6906

Abstract

Technology is developing rapidly, especially in the field of electronics. One of its applications is a microcontroller-based automatic control system to improve efficiency and comfort in room temperature regulation. This study aims to design and simulate an automatic air conditioning control system based on temperature using the ATmega16 microcontroller. The LM35 sensor is used to measure room temperature, and the data is processed by the ATmega16 through its internal ADC feature. The measured temperature is displayed on a 16x2 LCD, and the system activates or deactivates the AC through a relay circuit according to predefined temperature thresholds. The research method includes circuit design using Proteus and programming with Microchip Studio. Based on simulation results, the system can accurately read temperature values and control the AC automatically according to the set conditions. These results indicate that the designed system works properly and has potential as a microcontroller-based automatic air conditioning control solution.
Design and Implementation of a Light Intensity Monitoring System Using an LDR Sensor Based on Arduino Muhammad Agil Ibrahim; Ansar Rizal; Didi Susilo Budi Utomo
Journal of Engineering, Electrical and Informatics Vol. 6 No. 2 (2026): Juni: Journal of Engineering, Electrical and Informatics
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jeei.v6i2.7024

Abstract

This study presents the design and implementation of a light intensity monitoring system based on Arduino using a Light Dependent Resistor (LDR) sensor. The proposed system is capable of measuring light intensity in real-time, displaying the measured values on an I2C-based LCD, and providing an audible alert through a buzzer when the detected light level falls below a predefined threshold. The methodology involves both hardware and software design, followed by system testing through simulation and real-world implementation. The LDR sensor is configured using a voltage divider circuit to convert variations in light intensity into analog voltage signals, which are then processed by the Arduino microcontroller. Experimental results indicate that the system can effectively classify light conditions into three categories: bright, moderate, and dark, with approximate values of 200, 150, and 50, respectively. Furthermore, the system demonstrates reliable performance by activating the buzzer automatically under low-light conditions. Therefore, the proposed system provides a simple, cost-effective, and efficient solution for real-time light intensity monitoring.
Co-Authors Agusma Wajiansyah Akmar Sapto Pamungkas Aldrin Julianda Putra Dwi Titi Maesaroh Muhammad Agil Ibrahim Rizal, Ansar