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Journal : Jurnal Mosfet

Perancangan Prototipe Sistem Pemanggil Perawat Nirkabel menggunakan Keypad dan Transceiver NRF24L01 Corida, Marselus Setiawan; Pawelloi, A. Irmayani; Zainal, Muhammad
Jurnal Mosfet Vol. 4 No. 1 (2024): 2024
Publisher : Fakultas Teknik Universitas Muhammadiyah Parepare (FT-UMPAR)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jmosfet.v4i1.3119

Abstract

Hospital health services require effective communication tools between patients and nurses for patient comfort. Along with the development of wireless technology, many nurse call systems have been developed by researchers, application developers, and electronics activists to produce a more effective system and ease of use. The purpose of this study is to design a prototype of a wireless nurse caller system using NRF24L01 communication, and a keypad as a button that can be used by patients in the inpatient room to call patients, as well as an audio system in the nurse's room to receive calls from patients. By using the System Development Life Cycle (SDLC) method, the prototype of the nurse caller system was successfully realized and tested at the range and delay without obstacles and with obstacles. Based on the results of the distance and delay test in the unobstructed area, the caller node device and the call receiving node device can communicate at a distance of <100 meters with an average delay of 70.4 ms. Meanwhile, in the area where there is an obstacle (in the building), it shows the maximum communication ability between devices at a distance of 60 m with a delay of 74 ms and an average delay of 71 ms, Thus this prototype can be applied in hospitals.
Sistem Kendali Pengaturan Suhu Kandang Ayam berbasis Mikrokontroler Arya, Muhammad Hernan; Zainal, Muhammad
Jurnal Mosfet Vol. 4 No. 2 (2024): 2024
Publisher : Fakultas Teknik Universitas Muhammadiyah Parepare (FT-UMPAR)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jmosfet.v4i2.3489

Abstract

The current chicken coop temperature control system still uses a semi-automatic control system, handling problems such as sudden temperature changes, making it difficult to handle quickly. This study aims to regulate the temperature of the chicken coop according to the age temperature of the chicken so that it remains stable. This research uses an experimental method. It uses an Arduino IDE for programming, and uses a DHT11 temperature sensor, an Arduino Uno Atmega328, a 16x2 LCD, an RTC and a 4 Chanel Relay Module that can be controlled automatically. The results of the study show that this tool works well and works continuously, if the age of the chicken is 1-5 days with a temperature of more than 30°C, the fan rotates to lower the temperature of the chicken coop and if the temperature is less than 29°C, the fan turns off and the heater turns on to stabilize the temperature. Chicken age 6-10 days If the temperature is more than 28°C then the fan is on to lower the temperature and if the temperature is less than 27°C then the fan is off and the heater is on. The age of the chicken is 11-30 days, if the temperature is more than 26°C, the fan is turned on to lower the temperature and if the temperature is less than 25°C, the fan is off and the heater will turn on to stabilize the temperature again.
Perancangan Prototipe Pembangkit Listrik Tenaga Angin dengan Vertical Axis Wind Turbin Zainal, Muhammad; Tri Putra, Kurniawan; Amri, Ulil
Jurnal Mosfet Vol. 3 No. 2 (2023): 2023
Publisher : Fakultas Teknik Universitas Muhammadiyah Parepare (FT-UMPAR)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jmosfet.v3i2.2673

Abstract

Pada saat ini penggunaan energi listrik semakin meningkat seiring pertumbuhan kemajuan disektor perekonomian, industri dan berbagai bidang lainya. Energi listrik yang umumnya menggunakan bahan bakar konvesional seperti minyak bumi, gas, dan batubara menyebabkan ketersedianya di alam semakin menipis. Upaya yang dilakukan untuk mengatasi masalah tersebut yaitu menggunakan Energi Baru dan Terbarukan (EBT) yang tidak akan pernah habis bersumber dari alam seperti angin, matahari, dan air, sehingga penelitian ini dilakukan perancangan alat pembangkit listrik skala kecil menggunakan turbin vertical sebagai penggerak mula pada pembangkit listrik tenaga angina, dari hasil penelitian yang telah dilakukan dengan menggunakan pembangkit listrik menggunakan turbin vertikal bisa menghasilkan tegangan terendah rata- rata sebesar 4,81 V dan tegangan rata- rata tertinggi 20,13 V, dengan intensitas kecepatan angin mulai dari 0,7- 4,5 m/s.
Sistem Akuisisi Data dan Monitoring Parameter Cuaca Berbasis Mikrokontroler Basri, Asruddin; Pawelloi, A. Irmayani; Zainal, Muhammad
Jurnal Mosfet Vol. 5 No. 2 (2025): 2025
Publisher : Fakultas Teknik Universitas Muhammadiyah Parepare (FT-UMPAR)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jmosfet.v5i2.4203

Abstract

Monitoring weather parameters in agricultural fields is essential for improving cultivation efficiency and supporting data-driven decision-making. Farmers often face limited access to real-time microclimate information, highlighting the need for an autonomous and accurate data acquisition system that can operate reliably in the field. This study aims to design and evaluate a sensor-based weather monitoring system that measures temperature, humidity, light intensity, and rainfall conditions, with an emphasis on supporting precision agriculture in rural areas. Field testing was carried out at the Paccoka agricultural site in Watang Suppa Village, where 15 sets of measurements were collected using digital sensors and an RTC module. The results indicate high sensor accuracy, achieving 97.92% for temperature, 94.03% for humidity, and 96.56% for light intensity, while the rain sensor consistently detected surface moisture variations based on incremental water droplets. The developed system demonstrated stable performance and effectively captured real-time microclimate dynamics, making it suitable for implementation as an IoT-based environmental monitoring solution in agricultural applications.
Sistem Monitoring Indeks Pencemaran Air Berbasis Internet of Things Asharullah, Asharullah; Zainal, Muhammad; Jabbar, A. Abd.
Jurnal Mosfet Vol. 6 No. 1 (2026): 2026
Publisher : Fakultas Teknik Universitas Muhammadiyah Parepare (FT-UMPAR)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jmosfet.v6i1.4334

Abstract

The coastal waters of Parepare City are surrounded by numerous food stalls whose wastewater and food residues are often discharged directly into the marine environment, leading to seawater pollution. Continuous monitoring is therefore required to assess water quality and support effective environmental management. This study aims to develop an Internet of Things (IoT)-based web server system for monitoring the seawater pollution index in the coastal waters of Parepare City. The research adopts a quantitative Research and Development (R&D) approach by integrating pH, turbidity, and Total Dissolved Solids (TDS) sensors to collect real-time water quality data. Sensor readings are transmitted to an IoT-based web server and processed to calculate the Water Pollution Index (WPI). Experimental results demonstrate that the system operates effectively under field conditions. Morning measurements produced a pH value of 6.9, turbidity of 2443 NTU, and TDS of 1179.1 ppm, resulting in a pollution index of 1.91, classified as lightly polluted. Afternoon measurements indicated a pollution index of 2.04 with increased turbidity, which also falls within the lightly polluted category. The proposed system provides a reliable solution for real-time monitoring of seawater quality in the coastal waters of Parepare City.