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Journal : computer journal

Sistem Monitoring Level Air Galon Berbasis IoT Menggunakan Sensor Berat (Load Cell) Rusmiza, Alina; Sujono, Sujono
Computer Journal Vol. 4 No. 1 (2026): February
Publisher : Yayasan Pendidikan Mitra Mandiri Aceh (YPMMA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58477/cj.v4i1.354

Abstract

This study develops an Internet of Things (IoT)-based monitoring system to measure water levels in gallon containers using a load cell as the primary weight sensor. The system enables users to monitor remaining water in real time and prevent unexpected shortages during daily activities. The method involves assembling hardware consisting of a load cell and an ESP32 microcontroller, followed by a calibration process to ensure accurate weight measurements. Programmed through the Arduino IDE, the ESP32 wirelessly transmits processed sensor data to a cloud platform such as Google Sheets or a hosting service for storage and management. Water levels are visualized through a web-based dashboard that presents data in a clear and accessible format. A notification feature alerts users when the gallon reaches a predefined minimum threshold. Experimental results show that the sensor consistently detects weight changes with stable performance throughout the monitoring process. The dashboard successfully displays real-time data reflecting the actual gallon condition. Overall, the system offers an effective and practical solution for automated water-level monitoring in households, offices, and small businesses.
Implementasi Sistem Peringatan Banjir Dini dengan Sensor HC-SR04 Berbasis ESP32 Internet of Things Sujono, Sujono; Rusli M, Muhammad
Computer Journal Vol. 4 No. 1 (2026): February
Publisher : Yayasan Pendidikan Mitra Mandiri Aceh (YPMMA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58477/cj.v4i1.385

Abstract

Floods are natural disasters that often occur in Indonesia and sometimes cause great material and human losses. This paper describes the design and implementation of an IoT-based flood early warning system using ESP32 microcontroller and HC-SR04 ultrasonic sensor technology. The system is capable of automated river water level measurements at 5 minutes interval with real-time data sent to a web-based monitoring dashboard. Field validation was conducted in a quantitative experimental study at a river dam facility located in Jombang Regency. Performance testing results show that the system has high reliability, achieving 98.63% data transmission success rate. The HC-SR04 sensor has measurement accuracy of 97.69% with Mean Absolute Error (MAE) value equal to 2.31%. The warning mechanism works by comparing the water level with certain thresholds so that the dashboard can display safe or alert status conditions based on measurements made by the HC-SR04 sensor. Experimental results prove that this system is effective and economically feasible as a flood early warning solution for vulnerable regions, enhancing disaster preparedness capabilities significantly.
Co-Authors A, Syarifa Nadia A.A. Ketut Agung Cahyawan W Abdur Rozaq, Abdur Achmad Hanafi, Achmad Adawiyah, Aiga Adi Prayoga Agung Prayitno Agung, Ahmad Setyo Agus Rizal ahmad yani Al Ayyuby, M. Sholahuddin Al Azis, Mokhammad Saifulloh Alfarisi, Ahmat Sahman Amrullah, M. Malik Fajar Amstrong TN, Valentinus Anandita, Septian Ragil Ananti Yekti Andi Harmoko Arifin Andriani, Woro Anggi Indah Yuliana Anik Nuryati, Anik Ansuri, Nia Ayu Apri.ar, Hendrik Tri Aqilah, Effatul Arafat, Muhammad Yasyir ARDIANSYAH ARDIANSYAH Ardiansyah, Igo Arfansyah, Fabian Faiz Ari Amir Alkodri Ariani, Koeswini Dwi Arifin, Muhyiddin Zainul Aris, Muhammad Ansori Artoni, Artoni Asadullah, Ahmad Insani ashari, nurul Atmanegara, Intan Azha, Atika Chaula Balqis, Silvia Bambang Supriyanta, Bambang Baroh, I Basir, Kardita Basri, Muhammad Faizal Budi Sarono, Budi Budi Wijayanto Budi, Agus Setya Chrisna Putra, Rendy Rian Chumaidi, Ahmad Fatich Damayanti, Era Rizqi Darmawan, Moh Faridl Dedy Takdir Syaifuddin Dian Novianto Dian Novianto Diding Rahmat Dimas Adi Nugroho Dinata, Firda Arya Diyanto Diyanto Donwill Panggabean Eka Yudianto Eugene Mayda, Syakira Chevalia Euriga, Epsi Fachry Abda El Rahman Fahruddin, Ahnaf Rifqi Faizah, Alvi Nur Fatchulloh, Mohammad Fikrulloh, M. Harun Firayanti, Andi Fitria, Ina Fitriah, Arinda Nurul Fuad, Tsamrul Habib Habib, Habib Hadiman, Imas Nevriyanti Hadipta, Anak Agung Ngurah Hamidah . Hardi Hardi, Hardi Hariono, Tholib Hasannudin, Nur Hayu Purwati, Septa Mevia Hendra Kusuma Herlambang, Wahyu Ady Hibatullah, Afrad Ilhamul Hilmi Rizky Putra Hilyah Ashoumi Huda, Luqman Nur Hurip Pratomo Ibnu Hajar Ibrahim Rahmat Imam Bukhori Imansyah, Bima Irawadi, Syafrul Ismowati, Mary Isnaeni Walidah, Isnaeni Isnanto, Burham Jalil, M. Abdul Jamaluddukha, Mokhamad Jamroji Jamroji Japriadi, Yohanes Setiawan Jati, Sundaru Juliati, Ratih K, Hendra K, Kusnul Kafi, Mohamad Abdul Kantor, Kantor Kasiyati, Menik Kasturi Kasturi, Kasturi Khalimatus Sa'diyah Khasan, Ahmad Fadlul khusnul khotimah La Hatani La Ode Bahana Adam Latyfatusstany, Sylmy Lestari Sapuriningsih, Chikita Liansyah, Desra Lili Zalizar Lukas Tommy M. Ali Fikri M.R.A, Rofat Madi, Riski Amalia Maria Yulmina Sia Maulana, Yusril Hendra Maulidiana, Aulia Maxrizal Meilanda Puspita Sari, Meilanda Puspita Miftachuddin, Achmad Agus Athok Miftahul Ulum Mislica, Anita Moch. Bagus Bahtiar Moh. Anshori Aris Widya Muhammad Farid Nasrulloh Muhammad Rusli M, Muhammad Mulyadi Mulyadi Munawarah Munawarah, Munawarah Musafa, Akhmad Mutia Anggraini MUYASSAR, FALAH Nasrullah, Muhamad Iqbal Natalia, Ade Rahayu Natsir Natsir Nisa, Hana Khaeru Novianto, Hernawan Nuhun, Ridwan Syah Nur Hakim, Muhammad Hafizh Nur hidayah, Lailatul Nur Khafidhoh, Nur Nur Machmudi, Mochamad Yusak Nurhayati, Wina Nurul Yaqin Nurul, Moh Nurul, Mohamad Okkita Rizan Panicara, Salsadila Peby Wahyu Purnawan Penta Miyanti, Arundina Perdana Prasetya , Sukma Pradana, Harrizkie Arie Pradinata, Aviad Rezqiano Prakasa, Wahyu Adi Pramudaya, Vincentius Priyoko, Dadan Probonegoro, Wishnu Aribowo Pudyastuti, Rita Rena Puspaningrum, Desy Kurnia Puspitasari Sudarmo, Agnes Putra, Afri Chandra Putra, Dhimas Abdillah Putri, Rezky Arisanti Rahmadianti, Rizka Wulan Rahmawati, Ully Ramdani, Sahrul Ratih Hardisari, Ratih Raya, Alia Bihrajihant Ririh Jatmi Wikandari Risky Angga Pramuja Robyannor, Ahmad Rohimatunnisa, Shevi Rohmah, Rusydiana Nur Rusmiza, Alina Rusydi Rusydi Sabila, Anzilni Salma Safar Juniad Mbaru, Muhammad Edhi Sahara, H Sakti, Surya Saleh, Salma Salung, Putri Ananda Sandhi Permana Santi Puspitasari Santosa, Ady Luthfi Sapuriningsih, Chikita Lestari Sari, Lili Indah Sekarsari, Dewi Maya Setiana, Mela Sifaunajah, Agus Sihab, Riski Sihite, Rika Elsantia Simanjuntak, Dahlan Sistiyono Sistiyono, Sistiyono Siti Nurlaela Siti Nuryani, Siti sri murtini . Subrata Tri Widada, Subrata Tri Sudarmo, Agnes Puspitasari Sudarto Sudarto Sufaidah, Siti Sugeng Waluyo Suhada, Bambang Sukadi Sukadi Sunardi Sunardi Supardi Supardi Surati Surati Surur, Mohammad Misbakhus Susilowati, Tutik Sri Sutanto , A Sutrisno, Sutrisno Syahadah, Muhammad Ali Tri Lestari Try Sugiyarto Umar, Fifi Nurfitria Wafi Abdulloh, Muhammad Khafid Wahyunugroho, Syarif Nurullah Wardana, Sri Widiyanti, Eka Widiyanto, Totok Yuhdi, Mohammad Hanif Yuliati, R Yumna Ayu Maulida, Yumna Ayu Yunizhar, Laili Zaenal Arifin Zaidy, Azam Bachur Zaluddin, Zaluddin Zudlan, Qorirotul Aini