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All Journal International Journal of Health, Engineering and Technology International Journal of Community Service Implementation
Ana Uzla BatuBara
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Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Dentistry Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Mechanical Engineering Medicine & Pharmacology Nursing Public Health Social Sciences Veterinary Other

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Design and Implementation of an Arduino Uno-Based RPM Control System for a Treadmill Ana Uzla BatuBara; Berkat Panjaitan; Agusto Feliks Simanjuntak
International Journal of Health Engineering and Technology Vol. 4 No. 2 (2025): IJHET JULY 2025
Publisher : CV. AFDIFAL MAJU BERKAH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55227/ijhet.v4i2.326

Abstract

This research presents the design and development of an RPM (Revolutions Per Minute) controller for a treadmill using Arduino UNO. The treadmill is a medical device commonly used to evaluate cardiac performance under increasing levels of physical activity. Its primary function is to monitor how the heart responds to progressively intense exercise. In this design, the treadmill is powered by an AC motor, with RPM speed regulated through a timer and driven by a servo motor programmed via Arduino UNO. The system is designed to display RPM values of 550, 750, 950, and 1100 on the interface. This development aims to support more accurate and controlled cardiac stress testing through precise speed adjustments.
The Application Of The Laplace Transform In The Heat Equation Ana Uzla BatuBara
International Journal of Health Engineering and Technology Vol. 1 No. 6 (2023): IJHET-MARCH 2023
Publisher : CV. AFDIFAL MAJU BERKAH

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (759.785 KB) | DOI: 10.55227/ijhet.v1i6.110

Abstract

The one dimensional of homogeneous heat equation is two ordinary partial differential equations which general form , so needs solution. The one dimensional of homogeneous heat equation the method is ever been solved by Fourier series and Fourier Integrals. The other method used to in solving one dimensional of homogeneous heat equation is Laplace Transform, which is used to transform into ordinary differential equation is one dimension  for initial conditions . Inverse general solution that satisfies boundary conditions  is found, for every t and initial conditions  that have been transform is . From the result, it an obtain temperature on the poin x in the solid at time t.
Quizwhizzer Learning Media Training On Interest In Learning Mathematics In Elementary School Students Ana Uzla BatuBara; Bambang Suryanto; Ulfa Hanim
International Journal of Community Service Implementation Vol. 2 No. 1 (2024): IJCSI JUNE 2024
Publisher : CV. AFDIFAL MAJU BERKAH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55227/ijcsi.v2i1.218

Abstract

Mathematics is an issue that we cannot separate from daily life. The characteristics of elementary school mathematics learning aim to develop students' logical, analytical, systematic, critical, and creative thinking abilities, as well as to foster a habit of working together in solving problems. Mathematics learning should be meaningful, emphasizing understanding of the material and its application rather than rote memorization. In meaningful learning, students learn mathematics starting from the process of forming a concept and then trying to apply and manipulate these concepts in new problems. Many students do not like mathematics. They consider mathematics to be the most difficult subject, leading to a sense of difficulty even before the lesson begins. Therefore, it is necessary to implement learning methods that motivate students to improve their academic performance. To assist students in enhancing their mathematics learning, educational media can be utilized, one of which is the Quiz whizzer Learning Media. Learning media serve to convey messages and can stimulate students' thoughts, feelings, and motivation, thereby encouraging the learning process. Media can take the form of teaching aids and tools. One of the e-learning media that can be used is the Quiz whizzer application.
Co-Authors Agusto Feliks Simanjuntak Bambang Suryanto Berkat Panjaitan Ulfa Hanim