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All Journal Jurnal Edukasi Elektro Journal of Environment and Sustainability AMALIAH: JURNAL PENGABDIAN KEPADA MASYARAKAT JE-Unisla Journal of Robotics, Automation, and Electronics Engineering
Usman Nursusanto
Universitas Negeri Yogyakarta
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering

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Journal : Journal of Robotics, Automation, and Electronics Engineering

 1 
Design and Construction of an IoT-based Body Mass Index (BMI) Measuring Tool Using an Android Application Nabila, Shonya Farha; Nursusanto, Usman
Journal of Robotics, Automation, and Electronics Engineering Vol. 2 No. 2 (2024): September 2024
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jraee.v2i2.610

Abstract

Body Mass Index (BMI) is a measure of a person's fitness level monitoring obtained from a comparison between weight and height using a separate measuring instrument and requires the energy of other people in the measurement process, namely using a manual meter and scales. Therefore, a height and weight measuring instrument is needed that is integrated into a BMI measuring instrument to determine body health which is categorized into 5, namely, very thin, thin, normal, fat, and obese. The purpose of making this final project is to design the tool, find out the function test, and find out the performance test of the tool. The research stage consists of needs analysis, design, manufacture, and testing of the measuring instrument. The results of this study are that an IoT-based BMI measuring instrument using an android application was successfully created. The results of the function test show that each component is in good condition. While the results of the tool performance test are the same as the application showing that height measurements by ultrasonic sensors and weight measurements by load cell sensors from measurements of 15 people have a good error rate with an average of below 5%, namely 0.64% and 1.50% respectively against manual measurements using standard measuring instruments.
Prototype of Voltage, Current, Temperature, and Oil Level Monitoring System in Transformers Putra, Alfonsus Bramasadewa; Nursusanto, Usman
Journal of Robotics, Automation, and Electronics Engineering Vol. 2 No. 2 (2024): September 2024
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jraee.v2i2.612

Abstract

A distribution transformer is the most crucial component of the electric power distribution system. The output values of parameters such as voltage, current, temperature, and oil level vary, necessitating monitoring. This final project aims to design and build, determine the functional testing of the device, and assess the performance accuracy of its components. The system design results show that the components used in the prototype system are the INA219, AHT10, and HC-SR04 sensors. The measurement results from the sensors are displayed on an Android application and stored in a logger. Functional test results indicate that all components used in the prototype monitoring system function normally, and the measurement errors are within the datasheet limits of each component. The percentage error values from the accuracy testing of the sensors show values below 5%, with the largest error being 3.2% in current measurement and the smallest error being 0.0% in distance measurement. Therefore, the sensors are in good condition, and these values are below the IEC 13B-23 standard limits.
Co-Authors - Hartoyo Arya Sony Djami Olii Faridahtul Syafiqoh Hartoyo Hartoyo Hartoyo Janne Ticoh Khairunnisa', Khairunnisa' Mahendra, I Gede Budi Nabila, Shonya Farha Prioyono, Wahyu Putra, Alfonsus Bramasadewa Rizqi Ervani Rosyadi, Sa'adilah Sa'adilah Rosyadi Sa'adillah Rosyadi Septian Rahman Hakim Tedi, Tedi Oktavianto