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RANCANG BANGUN SISTEM PEMANTAUAN KADAR OKSIGEN DAN BERAT BADAN BAYI PADA INCUBATOR BAYI MENGGUNAKAN BLYNK IOT DAN NODEMCU
Aushaaf, Muhammad Hisyam
; Wibowo, Kusnanto Mukti
; Ishartom, Farid
; Latif, Abdul
; Romadhona , Gema
Teknika
Vol 10
, No 2
(2025)
Inkubator bayi merupakan alat vital dalam perawatan bayi prematur untuk menjaga suhu tubuh, kelembapan, kadar oksigen, dan memantau berat badan secara stabil. Namun, sistem pemantauan konvensional sering kali belum mampu memberikan data secara real-time maupun terintegrasi dengan sistem peringatan dini. Penelitian ini bertujuan merancang dan membangun sistem pemantauan kadar oksigen dan berat badan bayi pada inkubator menggunakan teknologi Internet of Things (IoT). Sistem ini dibangun dengan sen...
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DESIGN AND IMPLEMENTATION OF A PIEZOELECTRIC PEDESTRIAN-POWERED ENERGY HARVESTING SYSTEM FOR SUSTAINABLE URBAN INSTALLATIONS
Teknika
Vol 10
, No 2
(2025)
This project proposes integrating a pedestrian-powered system into a public installation to create a renewable energy source in urban environments. The system utilizes piezoelectric sensors embedded in the sidewalk to convert mechanical energy from footsteps into electrical energy, which is then used to power lights and display kinetic movement in the art installation. The main goal of this project is to provide a participatory, environmentally friendly, and sustainable solution in the form of a...
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IoT IMPLEMENTATION BASED ON POWER QUALITY NETWORK ANALYZER FOR 3-PHASE INDUCTION MOTOR CONTROL
Teknika
Vol 10
, No 2
(2025)
This study presents the design and implementation of a Power Quality Network Analyzer (PQNA) employing an ESP32 microcontroller to monitor and analyze key power quality parameters, including voltage, current, power factor, and total harmonic distortion (THD) for each phase of a three-phase induction motor. Traditional monitoring systems rely on manual or fixed data acquisition methods, which are inadequate for achieving efficient real-time data analysis. In contrast, the proposed system utilizes...
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PERFORMANCE ANALYSIS OF FOOTWEAR SENSORS FOR VOLTAGE MONITORING
Teknika
Vol 10
, No 2
(2025)
Advances in wearable technology are driving innovation in efficient, self-powered biomechanical monitoring systems. One promising approach uses piezoelectric sensors to generate energy while detecting foot (plantar pressure) during physical activity. This study aims to design and test a piezoelectric-based insole system capable of performing dual functions: harvesting mechanical energy from footsteps and analyzing fatigue patterns and gait asymmetry. The research used an experimental approach in...
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THE IMPACT OF INADEQUATE LABORATORY PERSONNEL (LABORATORY HEADS, TECHNICIANS, AND ASSISTANTS) ON BIOLOGY PRACTICUM IMPLEMENTATION
Ana, Ana
; Wulandari, Dhea Aprilia Ayu
; Mafimudah, Rifatul
; Sari, Fatma Mutia
; Saifuddin, Much Fuad
; Puspitasari, Etika Dyah
Bioma : Jurnal Ilmiah Biologi
Vol 14
, No 2
(2025)
This study aims to examine the limitations of human resources (HR) in school laboratories and their impact on the implementation of biology practicum activities at the senior high school level. A descriptive qualitative method was employed in Kotagede District, Yogyakarta, using purposive sampling to select two schools with active biology laboratories. Data were collected through in-depth interviews with laboratory personnel and biology teachers to explore the availability, involvement, and role...
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FEMINIST PERSPECTIVES ON FILM “RAYA AND THE LAST DRAGON”: (A STUDY OF RELATIONAL EMPOWERMENT)
English Research Journal : Journal of Education, Language, Literature, Arts and Culture
Vol 10
, No 1
(2025)
Abstract: This study uses Jo Rowlands' idea of relational empowerment to examine feminist readings of Raya and the Last Dragon (2021). The film presents empowerment as a collaborative attempt focused on trust, cooperation, and leadership, in contrast with typical narratives of lone female heroes. This study focuses at significant circumstances that highlight decision-making, resistance of gender norms, collaboration and reconciliation using qualitative analysis and library research. ...
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Hydrogeochemical Characterization and Subsurface Flow Analysis of Volcanic Hot Springs
Advance Sustainable Science, Engineering and Technology (ASSET)
Vol 7
, No 4
(2025)
Understanding of the hydrogeochemical system of volcanic hot springs in Tompaso, Minahasa, is still limited, especially regarding the origin of water and subsurface flow patterns. This study aims to classify geothermal water types and analyze groundwater flow systems in volcanic environments. A total of 15 hot spring samples were analyzed using field measurements (temperature, pH, electrical conductivity), ion chromatography, titration, and spectrophotometry. Data validation was done with ion ba...
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Secure Visual Image Encryption Using Lorenz Chaos, Steganography, and Wavelet-Based Steganography Authentication
Advance Sustainable Science, Engineering and Technology (ASSET)
Vol 7
, No 4
(2025)
Medical images play a vital role in diagnosis and clinical decision-making, yet their transmission and storage pose significant privacy and security challenges. This research proposes a visual stego-encryption system that integrates the Lorenz chaotic algorithm with Discrete Wavelet Transform (DWT) to embed both secret medical data and a doctor's digital signature into a visually meaningful encrypted image (VMEI). The system employs dual-layer embedding and role-based access control, allowing ad...
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Analisis SWOT Dalam Pengembangan Koperasi pada Koperasi Unit Desa (KUD) Rukun Tani Cilongok
Wawasan : Jurnal Ilmu Manajemen, Ekonomi dan Kewirausahan
Vol 3
, No 3
(2025)
Abstract. This study aims to analyze the internal and external conditions of the Village Unit Cooperative (KUD) Rukun Tani Cilongok using a SWOT analysis approach to formulate appropriate development strategies to improve the performance and competitiveness of the cooperative in Banyumas Regency. The background of this study is the strategic role of cooperatives, especially KUD, as pillars of rural economy in Indonesia facing various performance problems and competitive challenges. The research...
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Pengaruh Debt To Equity Ratio dan Current Ratio Terhadap Return On Asset Pada PT Sido Muncul, Tbk
Jurnal Ekonomi, Bisnis dan Manajemen (EBISMEN)
Vol 4
, No 4
(2025)
This study aims to analyze the effect of the Debt to Equity Ratio (DER) and Current Ratio (CR) on Return on Assets (ROA) at PT Sido Muncul Tbk for the period 2019–2023. The research employs a quantitative associative approach using secondary data obtained from the company’s annual financial reports. The analytical method applied is multiple linear regression with the assistance of SPSS version 26. Prior to hypothesis testing, the model was examined using classical assumption tests, including nor...
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