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All Journal JFA (Jurnal Fisika dan Aplikasinya)
Talitha Nabila Hayuningclara Talitha Nabila Hayuningclara
Departement of Biomedical Engineering, Universitas PGRI Yogyakarta, Yogyakarta 55182
Physics

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Design of Arduino Uno-Based Height and Weight Measuring Instrument for Initial Screening of Stunting Cases: Talitha Nabila Hayuningclara, Wahyu Sugianto, and Amalia Cemara Nur ’Aidha Talitha Nabila Hayuningclara Talitha Nabila Hayuningclara; Wahyu Sugianto Wahyu Sugianto; Amalia Cemara Nur ’Aidha Amalia Cemara Nur ’Aidha
Jurnal Fisika dan Aplikasinya Vol 20 No 2 (2024): June 2024 Edition
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat, LPPM-ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j24604682.v20i2.20400

Abstract

Monitoring nutritional status in toddlers is very important because it can be an early indicator of possible health problems in children. Currently, the process of monitoring children's nutrition is generally still carried out manually, which not only takes longer but is also less efficient in practice. To overcome the limitations of conventional measuring devices, a digital measuring device for height and weight was designed. This tool displays the results of height and weight measurements simultaneously on an LCD (liquid crystal display) screen. This tool works with uses an Arduino microcontroller as a control center and uses electronic sensors, namely the HC-SR07 ultrasonic sensor to measure height and the HX711 loadcell sensor to measure weight. From the data obtained, the error value and accuracy of the loadcell sensor after calibration produced an error value of 6.24% and an accuracy of 93.76%. Meanwhile, the ultrasonic sensor test results after the calibration process produced an error value of 0.052% and an accuracy of 99.94%.
Co-Authors Amalia Cemara Nur ’Aidha Amalia Cemara Nur ’Aidha Wahyu Sugianto Wahyu Sugianto