Vol. 13 No. 1 (2025): TELEKONTRAN vol 13 no 1 April 2025

The TELEKONTRAN Journal, in its Volume 13, Number 1 (April 2025) edition, has published 15 research articles. All manuscripts in this issue present studies in the fields of technology, electronics, control, and instrumentation, in line with the journal’s focus and scope.

The published articles in this issue are:

1. Prototype of Cooking Oil Viscosity Measuring Instrument Using Laser Beam and Light Dependent Resistor (LDR)
   Authors: Dudi Adi Firmansyah, Aria Tama, Decky Ari Irwanto, Gianto, Vera Firmansyah, Willi Sutanto, Nandang Gunawan Tunggal Waras, Budi Yasri, Azis Muslim, Chandrini Mestika Dewi, Eko Karsono, Ari Susandy Sanjaya, Ira Puspita Rahmawati, Eliyana Firmansyah, Hilman Syaeful Alam
   DOI: 10.34010/telekontran.v13i1.14451 | Pages: 1–9 (pp. 6–14)

2. Light Sensor Application (BH1750) on Orchid Plants Using IoT Based ESP32
   Authors: Diana Mauli Rahma, Putri Nur Hidayah, Alya Putri Yoanda, Jutira Ayu, Regitia Margareta, Khairul Shaleh, Assaidah, Fitri Suryani Arsyad
   DOI: 10.34010/telekontran.v13i1.14476 | Pages: 10–18 (pp. 15–23)

3. Design and Implementation of Carbon Monoxide Toxic Gas Monitoring Device Based on ESP32 Master-Slave Using Fuzzy Logic Method
   Authors: Arya Sony, Fera Febrianti
   DOI: 10.34010/telekontran.v13i1.14905 | Pages: 19–29 (pp. 24–34)

4. Design and Implementation of an Ammonia, Temperature, and Humidity Monitoring System in a Closed-House Chicken Coop Based on the Internet of Things
   Authors: Falhan Febrian Rizaldi, Firdaus, Vera Veronica
   DOI: 10.34010/telekontran.v13i1.15242 | Pages: 30–38 (pp. 35–43)

5. A Comparative Study on the Influence of Bandwidth Axial Ratio Using Radiator Variations in Microstrip Antennas
   Authors: Dian Rusdiyanto, Yohanes Galih Adhiyoga, Dian Widi Astuti, Catur Apriono, Arie Pangesti Aji
   DOI: 10.34010/telekontran.v13i1.15262 | Pages: 39–46 (pp. 44–51)

6. SIMPATIKA: Soil Moisture and Temperature Monitoring System for Mango Cultivation in Sumberjaya Village Karawang
   Authors: Teguh Kurniawan, Zia Patriana, Maribeth Adventina Manullang, Reni Rahmadewi
   DOI: 10.34010/telekontran.v13i1.15563 | Pages: 47–55 (pp. 52–60)

7. Prototype of Pertalite Fuel Density Measurement Tool Based on SK DIRJEN MIGAS No. 486 Year 2017
   Authors: Gianto, Enrico William A. Sihotang, Dudi Adi Firmansyah, Vera Firmansyah, Budi Yasri, Willi Sutanto, Nandang Gunawan Tunggal Waras, Eko Karsono
   DOI: 10.34010/telekontran.v13i1.15821 | Pages: 56–67 (pp. 61–72)

8. Performance Analysis of Quality of Service (QoS) in Surveillance Camera Design for Security Purposes
   Author: Nurul Aisyah Jafar
   DOI: 10.34010/telekontran.v13i1.15444 | Pages: 68–78 (pp. 73–83)

9. Design and Implementation of Fuzzy Logic Based Intelligent Vacuum Robot System for Auto Navigation at Home
   Authors: Kartika, Miftahul Jannah Br Lubis, Asran, Misriana
   DOI: 10.34010/telekontran.v13i1.15996 | Pages: 79–90 (pp. 84–95)

10. Prototype of Bolt Torque Measurement in Automotive Industry Using Load Cell Sensor
    Authors: R. Bagus Ali Hastaryadi, Fransiskus Dionisius Fandi Asa, Willi Sutanto
    DOI: 10.34010/telekontran.v13i1.16055 | Pages: 91–102 (pp. 96–107)

11. Design and Build a Prototype of a Smart Loading Zone System
    Authors: Rizal Aprianto, Yunindra Eka Ariffansyah, Dandy Aji Saputra
    DOI: 10.34010/telekontran.v13i1.16980 | Pages: 103–113 (pp. 108–118)

12. Tool for Detecting the Percentage of Water Content Reduction in Seaweed Samples Based on a Modified Air Fryer
    Authors: Safriudin Rifandi, Bagus Kusuma Aditya, Nuhman, Muh. Taufiqurrohman, Suryadhi, Joko Subur, Tri Agung Kristiyono, Nurul Rosana, Indra Widyadharma
    DOI: 10.34010/telekontran.v13i1.15640 | Pages: 114–122 (pp. 119–127)

13. Implementation of an Optocoupler-Based Electronic Component Safety System in a Semi-Autonomous Agricultural Robot: A Case Study of the ABU ROBOCON 2024 Robot
    Authors: Mowi Rilana, Ardy Seto Priambodo 
    DOI: 10.34010/telekontran.v13i1.15870 | Pages: 123–137 (pp. 128–142)

14. Implementation of YOLO Algorithm and K-Nearest Neighbor Algorithm in Face Recognition Attendance System
    Authors: Ahmad Juwandi, Sri Supatmi
    DOI: 10.34010/telekontran.v13i1.11062 | Pages: 138–150 (pp. 143–155)

15. Design of Android-Based Ground Control Station (GCS) System for Autonomous Tractor Development
    Authors: Muhammad Yusril J, Ihsan, Prasepvianto Estu Broto
    DOI: 10.34010/telekontran.v13i1.9784 | Pages: 151–159 (pp. 156–164)

This issue presents innovative and practical findings that contribute to the advancement of applied sciences and engineering, particularly in instrumentation, control systems, and electronic technology.