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All Journal JET (Journal of Electrical Technology) Jurnal Tunas JiTEKH (Jurnal Ilmiah Teknologi Harapan) Journal of Renewable Energy, Electrical, and Computer Engineering Prioritas : Jurnal Pengabdian Kepada Masyarakat Journal of Multidisciplinary Research and Innovation (JMRI) Journal of Telecommunication and Electrical Scientific
Siregar, Lisa Adriana
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Arts Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mechanical Engineering Social Sciences Other

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Journal : JiTEKH (Jurnal Ilmiah Teknologi Harapan)

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Tongkat Tunanetra Menggunakan Sensor Ultrasonik dan GPS Berbasis Mikrokontroler Gunawan, Fikri; Roza, Indra; Siregar, Lisa Adriana
JiTEKH Vol. 13 No. 1 (2025): March 2025
Publisher : Universitas Harapan Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35447/jitekh.v13i1.1008

Abstract

Conventional blind canes have limitations in providing accurate information about the user's environmental conditions, especially in recognizing obstacles and determining location. Therefore, this study aims to design and build a smart blind cane equipped with ultrasonic sensors and a microcontroller-based GPS system. This cane is designed to help blind users detect obstacles around them and determine their location more independently. The main system of this cane consists of an ultrasonic sensor to detect the distance of obstacles in front of the user and a GPS module to track the user's location. Data from the sensors and GPS are processed by a microcontroller, which then provides feedback to the user through vibrations and sounds. When an obstacle is detected within a certain distance, vibrations will be activated to provide a warning, while location information can be accessed through an application or other supporting devices. The test results show that this blind cane has a high level of accuracy in detecting obstacles up to a distance of 2 meters and fairly good positioning accuracy with an integrated GPS system. This cane can improve the mobility and sense of security of users in different environments. Thus, this design makes a positive contribution to assistive technology for the blind, enabling them to be more independent in their daily activities.
Prototype Robot Pemadam Api Otomatis Berbasis Arduino dengan Sensor Api dan Kamera Dermawan, Tengku Mhd Aidil; Roza, Indra; Siregar, Lisa Adriana
JiTEKH Vol. 13 No. 1 (2025): March 2025
Publisher : Universitas Harapan Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35447/jitekh.v13i1.1009

Abstract

Fire is one of the events that can cause major impacts, ranging from material losses to life safety risks. To overcome this, technology is needed that can detect and extinguish fires quickly, especially in areas that are difficult to reach or too dangerous for humans. This study aims to design and develop a prototype of an Arduino-based automatic fire extinguishing robot equipped with a fire sensor and camera. The fire sensor is used to detect the presence of a fire source, while the camera functions as a visual support tool that helps the robot navigate and identify the position of the fire more accurately. This robot is designed to be able to move independently to the fire point after successful detection. Once close enough, the robot will activate the extinguishing mechanism to put out the fire. This prototype was tested in various environmental scenarios and varying fire intensities to measure the level of detection accuracy, response speed, and effectiveness in the extinguishing process. The test results show that the robot is able to detect and extinguish small-scale fires with a high success rate. Although there are still some limitations in terms of speed and detection distance, this prototype shows great potential as a supporting technology for fire extinguishing, especially for high-risk areas. With further development, it is hoped that this robot can function as a supporting device in handling small-scale fires and as a solution to maintain human safety from direct exposure to fire risks.
Co-Authors Ananda, Yusa Ananda, Yussa Andi, Hendra Jaffri Catra Indra Cahyadi Dermawan, Tengku Mhd Aidil Giovaniz, Azmy Gunawan, Fikri Indra Roza JUNAIDI Junaidi Junaidi Nasution, Agus Almi Nst, Agus Almi Roza, Indra SAWITRI, DARA Yanie, Ahmad