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WORKSHOP PRAKTIS : PENERAPAN SISTEM MANAJEMEN DAYA SEDERHANA UNTUK PENGHEMATAN ENERGI DI LAB KOMPUTER Fitriani, Endah; Wardani, Kiky Rizky Nova; Elmayati, Elmayati; Makmuri, M. Kumroni; Mukti, Aan Restu
JURNAL UNIV.BI MENGABDI Vol 4 No 2 (2025): Jurnal UNIV.BI Mengabdi : Desember
Publisher : LPPM UNIVERSITAS BINA INSAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32767/mengabdi.v4i2.2804

Abstract

Kegiatan pengabdian kepada masyarakat ini dilakukan untuk memperkenalkan konsep Smart School melalui studi kasus efisiensi energi di laboratorium komputer sekolah. Fokus kegiatan diarahkan pada dua aspek utama: analisis konsumsi daya peralatan listrik oleh tim Teknik Elektro, dan simulasi sistem manajemen daya menggunakan perangkat lunak oleh tim Sistem Informasi. Pengukuran dilakukan terhadap perangkat komputer dan Lampu di laboratorium SMK Negeri 1 Indralaya Selatan. Melalui simulasi shutdown otomatis dan sleep mode, tim melakukan perhitungan potensi penghematan energi dan biaya listrik selama satu bulan. Hasil simulasi menunjukkan adanya peluang penghematan daya listrik yang cukup signifikan apabila manajemen daya diterapkan secara konsisten. Selain itu, kegiatan ini juga berdampak pada peningkatan literasi energi dan kemampuan analitis siswa terhadap penggunaan teknologi ramah lingkungan.
Designing Wemos and GPS-based Wireless Communication Gloves to Prevent Group Members from Getting Lost Pratama, Achmad Alfath; Paramytha, Nina; Fitriani, Endah; Dasmen, Rahmat Novrianda
Jambura Journal of Electrical and Electronics Engineering Vol 8, No 1 (2026): Januari - Juni 2026
Publisher : Electrical Engineering Department Faculty of Engineering State University of Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jjeee.v8i1.34491

Abstract

Group travel in densely populated areas presents risks of losing members, especially during peak periods such as weekends. This study aims to develop a wireless communication glove device as an aid for inter-member detection to prevent loss during travel. The method involves designing a device based on the Wemos microcontroller integrated with GPS sensors for position tracking, MAX30100 heartbeat sensor for health monitoring, an OLED I2C display as visual interface, and a buzzer as alarm. The system functions by identifying unique IDs between devices within a certain radius and triggers an alarm when connection is lost. Testing results indicate the heartbeat sensor accuracy with an average deviation of less than 3 bpm compared to manual measurements. Maximum connection distance without physical obstacles ranges from 24 to 26 meters, decreasing to 18 meters with wall obstructions. The master device detects connection loss within approximately 20 seconds, indicated by an audio alarm and display changes on the OLED screen. The estimated operational duration is 5.5 hours at 2.4 Watts power consumption. Overall, this device effectively prevents member loss with simple health monitoring and reliable connection detection features.
Car Parking Monitoring System Based on Location Plate Detection Using Web Camera Saputra, Eko; Paramytha IS, Nina; Fitriani, Endah; Ariyadi, Tamsir; Hanif Ath Tarech, Affan
Circuit: Jurnal Ilmiah Pendidikan Teknik Elektro Vol. 10 No. 1 (2026)
Publisher : PTE FTK UIN Ar-Raniry

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/mx8m2e49

Abstract

This research aims to design a car parking monitoring system based on license plate detection using a webcam to improve efficiency and accuracy in parking area management. The scope of the research includes hardware design using an ESP32 microcontroller, ultrasonic sensors, proximity sensors, a 16x2 LCD, servo motors, and a thermal printer. The research methodology involves literature review, as well as laboratory testing and data validation. The system is evaluated based on its ability to accurately detect vehicle license plates, monitor parking space availability in real-time, and automatically record vehicle entry and exit data. Experimental results show that the system correctly detects, matches it with a database, and controls access to the parking area. All components operate within the specified voltage range, with measurement errors remaining below 5%. The system successfully records vehicle entry and exit times, and the website interface updates parking space availability in real-time based on sensor readings. In conclusion, the proposed system is effective in helping operators monitor slot availability, minimize vehicle placement errors, and simplify the parking process with automation