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All Journal Jurnal Penelitian Pendidikan IPA (JPPIPA) JPF (Jurnal Pendidikan Fisika) Universitas Islam Negeri Alauddin Makassar Eksakta : Berkala Ilmiah Bidang MIPA Jurnal Teori dan Aplikasi Fisika Jurnal Ilmiah Profesi Pendidikan Eduproxima : Jurnal Ilmiah Pendidikan IPA GUYUB: Journal of Community Engagement Jurnal Sibermas (Sinergi Pemberdayaan Masyarakat) Dewantara Journal of Technology Jurnal Pijar MIPA JURNAL PENGABDIAN PENDIDIKAN MASYARAKAT (JPPM) Panthera : Jurnal Ilmiah Pendidikan Sains dan Terapan Panrita Inovasi: Jurnal Pengabdian Kepada Masyarakat Jurnal Pengabdian Rekayasa Sistem BULETIN FISIKA
Muhammad Yunus
Department Of Physics, FMIPA, Gorontalo State University, Gorontalo, Indonesia, 96554
Religion Agriculture, Biological Sciences & Forestry Humanities Astronomy Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Physics Public Health Social Sciences Other

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Microcontroller-Based DHT11 Sensor for Temperature and Humidity Measurement Muhammad Yunus
Dewantara Journal of Technology Vol. 6 No. 1 (2025)
Publisher : Akademi Teknologi Industri Dewantara Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59563/djtech.v6i1.327

Abstract

Technological developments for temperature and humidity measurement systems have experienced significant progress through the use of microcontroller-based sensors. This research aims to measure temperature and humidity using a microcontroller-based sensor. The sensor used is a DHT11 connected to a NodeMCU ESP8266 microcontroller as a data processing centre. The data collection process was carried out from 09:00 to 17:00 every 2-hour interval. Data from temperature and humidity measurements were at 09:00, the temperature was 30°C with a humidity of 73%, then when the temperature increased at 11:00 (32°C) and reached its peak at 13:00 (33°C), the humidity actually decreased to 67% and 62%. Furthermore, when the temperature began to decrease at 15:00 (31°C) and 17:00 (29°C), the humidity increased again to 70% and 75%. The higher the air temperature, the relative humidity tends to decrease, and vice versa. Microcontroller-based DHT11 sensor is an effective solution in environmental monitoring systems that require practicality and efficiency.
SOSIALISASI BERBASIS DATA FISIKA KELAUTAN UNTUK MENINGKATKAN KESADARAN RISIKO PESISIR DI DESA BINTALAHE KABUPATEN BONE BOLANGO Icha Untari Meidji; Dewa Gede Eka Setiawan; Muhammad Yunus; Harsano Jayadi
Jurnal Pengabdian Rekayasa Sistem Vol 4 No 1 (2026): Edisi 7
Publisher : Universitas Teknologi Sumbawa

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Wilayah pesisir Desa Bintalahe, Kabupaten Bone Bolango, merupakan kawasan yang aktivitas masyarakatnya sangat dipengaruhi oleh dinamika fisika kelautan, seperti pasang surut, gelombang, arus laut, dan angin. Keterbatasan pemahaman masyarakat terhadap fenomena tersebut berpotensi meningkatkan risiko keselamatan dan kerentanan terhadap bencana pesisir, seperti banjir rob dan abrasi pantai. Kegiatan pengabdian kepada masyarakat ini bertujuan untuk meningkatkan pemahaman dan kapasitas masyarakat pesisir Desa Bintalahe terhadap dinamika fisika kelautan sebagai dasar pengambilan keputusan aktivitas pesisir dan upaya mitigasi risiko. Metode pelaksanaan kegiatan meliputi pengambilan data lapangan parameter fisika kelautan, pengolahan dan visualisasi data secara deskriptif dan kuantitatif sederhana, serta sosialisasi hasil kepada masyarakat. Pengambilan data dilakukan pada November 2024, sedangkan kegiatan sosialisasi dilaksanakan selama satu hari pada 10 Januari 2025. Hasil kegiatan menunjukkan bahwa kondisi perairan selama pengamatan relatif tenang dengan pola pasang surut bertipe harian tunggal, gelombang dan arus laut yang umumnya rendah, serta kecenderungan sedimentasi yang bervariasi berdasarkan arah. Sosialisasi yang dilakukan dengan pendekatan visual dan diskusi interaktif mampu meningkatkan partisipasi dan pemahaman masyarakat dalam mengenali kondisi laut serta potensi risiko pesisir. Kegiatan ini diharapkan dapat menjadi langkah awal dalam penguatan literasi kelautan masyarakat pesisir dan mendukung pengelolaan wilayah pesisir yang lebih aman dan berkelanjutan.
Real-Time and Accurate pH Sensor Based on Internet of Things (IoT) Robin Ikano; Dewa Gede Eka Setiawan; Muhammad Yunus; Meilan Demulawa; Irsan Rahman
Dewantara Journal of Technology Vol. 5 No. 1 (2024)
Publisher : Akademi Teknologi Industri Dewantara Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59563/djtech.v5i1.312

Abstract

One important parameter that needs to be considered in water quality is the acidity level (pH) in the water. This study aims to design and determine real-time and accurate pH sensor based on internet of thing (IoT). This system design uses an ESP32 microcontroller and The PH-4502C pH Meter Module sensor. The ESP32 can be connected to the IoT-based Blynk platform, allowing pH data to be monitored in real time via a smartphone. Testing of the IoT-based pH sensor was conducted to evaluate the system's real-time operation under varying distances. Meanwhile, the pH sensor's accuracy was determined by comparing its output with a digital pH meter using buffer solutions at different pH levels. The test results show that the time value required in each range is always constant, namely 1 s. This proves that IoT-based monitoring does not affect the range. Meanwhile, measurement of pH level was the average error value is 3.49%, and the sensor accuracy is 96.51%. These results indicate a low error rate, resulting in high accuracy. The sensor error value of 3.49% is lower than the specified error tolerance limit of <5%. This proves that the pH sensor, with an accuracy of 96.51%, is suitable and reliable for measuring pH in solutions.
IMPLEMENTASI PROGRAM KAMPUS MENGAJAR ANGKATAN 3 SEBAGAI WUJUD KONTRIBUSI BELAJAR SAMBIL BERDAMPAK Septiana Kurniasari; Muhammad Yunus; Nur Afni Hunggaita; Sugianti Sugianti; Ardhieat Pramesti Regita E. Ali; Abdurahman Ismail; Talita Dyas Aprilia; Mohammad Arif Alfan Habibi
Jurnal Pengabdian Pendidikan Masyarakat (JPPM) Vol 4 No 1 (2023): Jurnal Pengabdian Pendidikan Masyarakat (JPPM)
Publisher : LPPM UNIVERSITAS MUHAMMADIYAH MUARA BUNGO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52060/jppm.v4i1.1061

Abstract

Program Kampus Mengajar merupakan salah satu program Merdeka Belajar – Kampus Merdeka (MBKM) yang bertujuan untuk membantu sekolah dasar maupun menengah yang terdampak pandemi Covid-19. Salah satu sekolah dasar yang menjadi sasaran program ini adalah SDN No. 40 Hulonthalangi, Gorontalo. Tujuan kegiatan ini adalah untuk mengetahui implementasi program Kampus Mengajar sebagai wujud kontribusi belajar sambil berdampak. Metode yang digunakan dalam kegiatan ini adalah deskriptif kualitatif dengan pengumpulan data berupa observasi, wawancara dan dokumentasi. Hasil kegiatan menunjukkan bahwa implementasi program Kampus Mengajar di SDN No. 40 Hulonthalangi, Gorontalo melalui program pendampingan peningkatan literasi numerasi, adaptasi teknologi dan administrasi, berjalan dengan baik dan memberikan dampak positif kepada seluruh elemen yang terlibat, khususnya di sekitar lingkungan sekolah.
PERAN MAHASISWA KAMPUS MENGAJAR UNTUK PENINGKATAN LITERASI NUMERASI SISWA Septiana Kurniasari; Muhammad Yunus; Sandi Nuralim; Tirani Mantulangi; Moh Arif Alfan Habibi
Jurnal Pengabdian Pendidikan Masyarakat (JPPM) Vol 4 No 2 (2023): Jurnal Pengabdian Pendidikan Masyarakat Vol 4 No 2 (2023)
Publisher : LPPM UNIVERSITAS MUHAMMADIYAH MUARA BUNGO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52060/jppm.v4i2.1389

Abstract

The low level of numeracy literacy in Indonesia causes human resources to be uncompetitive. To solve these problems, through the Kampus Mengajar Program Batch 5, students develop programs that are implemented during their assignment at SD Negeri 12 Kabila. The purpose of this activity is to find out the role of Kampus Mengajar students Batch 5 in increasing students' numeracy literacy. The method used in this activity is descriptive method. The results of the activity show that the Kampus Mengajar Program Batch 5 is very influential in realizing an increase in numeracy literacy in students. Students as agents of change also play an important role in increasing enthusiasm, learning motivation and student learning outcomes as well as creating fun and enjoyable learning media.
Effect of Soil Moisture on Vibration Detection Using an ESP32-Based IoT System Kisman Akuba; Dewa Gede Eka Setiawan; Muhammad Yunus; Septiana Kurniasari; Icha Untari Meidji; Abd. Wahidin Nuayi
Panthera : Jurnal Ilmiah Pendidikan Sains dan Terapan Vol. 6 No. 1 (2026): January
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/panthera.v6i1.949

Abstract

Earthquakes are natural disasters that frequently occur due to inadequate soil structure and varying soil moisture conditions, which significantly influence ground vibration characteristics. This study aims to investigate the effect of soil moisture conditions, specifically dry and wet soil on vibration response. The system employs an SW-420 vibration sensor integrated with an ESP32 microcontroller for data acquisition and real-time monitoring. The experiment was conducted on a small-scale soil medium, with vibration data recorded at one-second intervals for a duration of 60 seconds. The measured vibration signals were transmitted and monitored in real time, then analyzed to determine which soil condition exhibits greater vibration damping characteristics. The results indicate that soil moisture has a significant effect on the vibration sensor response. The highest average ADC value was obtained in dry soil at 823.21, while wet soil produced a lower average ADC value of 533.16. The decrease in ADC values demonstrates increased vibration damping as soil water content increases. These findings confirm that higher soil moisture enhances energy absorption and reduces vibration transmission. Therefore, the IoT-based vibration detection system using the ESP32 and SW-420 sensor is capable of distinguishing soil vibration characteristics under different moisture conditions and shows strong potential for further development as an early warning system for landslide mitigation.
Development of an Incinerator with a Multi-Stage Condenser System as an Effort to Reduce CO₂ Emissions Gas from Plastic Waste Burning in Gorontalo City Raghel Yunginger; Yusuf Usman; Meilan Demulawa; Salmawaty Tansa; Mohamad Jahja; Muhammad Yunus
BULETIN FISIKA Vol. 27 No. 1 (2026): BULETIN FISIKA
Publisher : Departement of Physics Faculty of Mathematics and Natural Sciences, and Institute of Research and Community Services Udayana University, Kampus Bukit Jimbaran Badung Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/BF.2026.v27.i01.p03

Abstract

The increasing plastic waste volume in Gorontalo City is not balanced by a good management system, making people choose to burn their waste in open space. Not only makes a bad scene, this burning emits dangerous gases such as CO2 that contributes to poor air quality and climate change. This study has developed an environmentally friendly incinerator with a stacked condenser system that emits less CO2 gas. This incinerator consists of three main components: a combustion zone, as the place where plastic waste is burned; a chimney, for the flowing of gas; and stacked condensors, for cooling and keeping the gas before emitting it out. We test the incinerator with and without condensors based on the CO2 emission from 20 minutes' burning of 1.5 kg of plastic waste. The results show that an incinerator with a stacked condensor system can significantly reduce CO2 gas emissions by 18.88% more than an incinerator without condensors. This implies that incinerator with stacked condensors can be an alternative way to reduce CO2 gas from open-space waste burning on a small scale.
Implementation of Turbidity Sensor Based on IoT for Measuring Seawater Turbidity Levels in Gorontalo Muhammad Yunus
Jurnal Pijar MIPA Vol. 21 No. 2 (2026)
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram. Jurnal Pijar MIPA colaborates with Perkumpulan Pendidik IPA Indonesia Wilayah Nusa Tenggara Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpm.v21i2.11635

Abstract

Turbidity is the condition of water that is not clear due to suspended particles, such as mud, clay, organic matter, and microorganisms. This research aims to implement an Internet of Things (IoT)- based turbidity sensor to measure seawater turbidity levels in Gorontalo. The IoT-based turbidity sensor system was developed using the SEN-0175 turbidity sensor integrated with an ESP32 microcontroller. The Blynk application serves as a supporting platform for implementing IoT connected to a smartphone. Measurements of seawater turbidity were conducted in three locations in Gorontalo. The result for the first location is an area without residential areas, producing an average turbidity value of 16.5 NTU; the second location is a residential area with several food stalls, producing an average turbidity value of 24.99 NTU; and the third location is a culinary tourism area visited by many tourists, producing an average turbidity value of 50.56 NTU. These results show that the increasing number of human activities in coastal areas has the potential to pollute seawater. Excessive seawater pollution will increase seawater turbidity. Turbidity values exceeding the established seawater quality standards are unsuitable for Marine Tourism and disrupt marine biota; therefore, turbidity concentrations should be no more than 5 NTU. An IoT-based turbidity sensor is suitable for low-cost, real-time monitoring of seawater turbidity in Gorontalo, offering high precision, simple fabrication, and real-time operation.
Multi-Sensor Based on Internet of Thing (IoT) in Determining the Accuracy of Sensors for Air Temperature, Air Humidity, and Light Intensity Muhammad Yunus; Susilo Yudoyono; Dewa Gede Eka Setiawan; Siti Fatimah; Asmiati Amir
EKSAKTA: Berkala Ilmiah Bidang MIPA Vol. 27 No. 02 (2026): Eksakta : Berkala Ilmiah Bidang MIPA (E-ISSN : 2549-7464)
Publisher : Faculty of Mathematics and Natural Sciences (FMIPA), Universitas Negeri Padang, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/eksakta/vol27-iss02/661

Abstract

Multi-sensor technology based on the Internet of Things (IoT) is implemented in determining the accuracy of sensors for airtemperature, air humidity, and light intensity. The multi-sensor based on IoT consists of a DHT11 sensor to detect air temperature and humidity, and a BH1750 sensor to detect light intensity was implemented using the NodeMCU ESP8266 microcontroller, monitored via the IoT on the Blynk application on the smartphone. Data Sensor validation by comparing data from the Indonesian National Standards measuring instrument to determine the sensor accuracy. The results of testing the sensors for air temperature, air humidity, and light intensity produced average accuracies of 99.440%, 100%, and 99.874%, respectively. All sensor errors remain within the specified tolerance limit of <5%. The low error sensor results in a high accuracy value. These sensors are suitable for various monitoring needs, both in automation systems and environmental research.
Peningkatan Kualitas Hidup Masyarakat melalui Inovasi Ecobrick: Transformasi Sampah Plastik menjadi Nilai Ekonomis Septiana Kurniasari; Muhammad Yunus; Mohammad Iqbal; Hilminata Saputra Sulaiman; Devi Triana Paputungan; Rila Virna
GUYUB: Journal of Community Engagement Vol 5, No 4 (2024)
Publisher : Universitas Nurul Jadid

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33650/guyub.v5i4.9592

Abstract

In 2023, there will be 141.60 tons of waste produced every day, both by households, offices, markets, commerce, public facilities and areas in Gorontalo City, and around 35% is plastic waste. The production of plastic waste in Gorontalo City is in first place. If this is allowed to continue, it will cause environmental pollution. This is because plastic waste is a type of solid waste that is difficult to decompose in a short time, which takes around 50-100 years to decompose into soil. Based on these problems, efforts need to be made to empower the community through making Ecobricks as a solution for healthy living with knowledge, faith, immunity and safety. This aims to preserve the environment, increase health independence, prevent disease and/or disasters, and increase people's income through Ecobrick products. The stages in this activity include coordination with partners, namely the Az-Zahra Mosque Ta'mirul Agency group, Pre Test, socialization regarding plastic waste, its impact on the environment and health, both in terms of science and religion, introducing the Ecobrick method as a environmentally friendly alternative plastic waste management, training in making Ecobricks, Post Test, monitoring and finishing of Ecobrick products. The results obtained from this activity include an increase in partner knowledge of around 20%, 72 Ecobrick bottles have been produced with a total of 14,309 grams of plastic waste, partner satisfaction is at 3.6 on a scale of 4, and 1 table, 4 chairs have been produced (can also be used as a table), and 1 shelf.
Co-Authors Abd Wahidin Nuayi Abdulrahman Djou Abdurahman Ismail Andi Indra Wulan Sari Ramadani Anisa Fauzia Ardhieat Pramesti Regita E. Ali Asmiati Amir Asmiati Amir Asmiati Amir Asri Arbie Buhungo, Trisnawaty Junus Bunga Tang Citron S Payu Devi Triana Paputungan Dewa Gede Eka Setiawan Dewi Diana Paramata Dintje Pahrudin Fitriani Fitriani Fitriani Fitriani Haris Munandar Harsano Jayadi Hendra Hendra Hilminata Saputra Sulaiman I Made Hermanto Indrawati Tahir Irsan Irsan Irsan Rahman Irsan Rahman Ismail Pakaya Jahja, Mohamad Kisman Akuba Kisman R. Akuba Kurniasari, Septiana Lanto Mohamad Kamil Amali Latief, Muh Fachrul Lukman Samatowa Meidji, Icha Untari Meilan Demulawa Mirnawati Mirnawati Moh Arif Alfan Habibi Mohammad Arif Alfan Habibi Mohammad Iqbal Muh. Nur Akbar Muh. Rusli Mursalin Nancy Katili Nova Elysia Ntobuo Nur Afni Hunggaita Nurbeti Salam Nurhayati Nurhayati Nurhayati Nursia Madjid Nurul Auliyaa Hasbi Nurul Jannah Jamal Relita Damopolii Rila Virna Ritin Uloli Robin Ikano Salmawaty Tansa Sandi Nuralim Siti Fatimah Siti Fatimah Sugianti Sugianti Supartin Supartin Susilo Yudoyono Syahdad Aziz Talita Dyas Aprilia Tirani Mantulangi Tirtawaty Abdjul Yasin Mohamad Yusuf H. Usman Yusuf Usman