Vol 21, No 1 (2024)

Full Issue

View or download the full issue PDF (INDONESIAN)

Table of Contents

Articles

Laser as a tool to measure the diameter of goat hair (Capra aegagrus hircus)
Rani Rahmawati, Widi Komariah, Helmina Pebriyanti, Dedeh Sukmawati, Siti Rusmiati, Retno Nopita, Eko Sujarwanto
PDF (INDONESIAN)
1-6
What substances do we inhale? - Air quality measurement using an Android-based application
Endang Surahman, Eko Sujarwanto, Irwan Muhammad Ridwan
PDF (INDONESIAN)
7-12
Effectiveness of adding ZnO thin films to metamaterial structures as sensors
Saktioto Saktioto, Yan Soerbakti, Ari Sulistyo Rini, Budi Astuti, Erman Taer, Rahmondia Nanda Setiadi, Syamsudhuha Syamsudhuha, Sofia Anita, Yolanda Rati
PDF (INDONESIAN)
13-24
Comparison of measuring the noise level of glass wool soundproofing material using a sound level meter and the KY-037 noise measuring instrument
Indah Pratiwi Tanjung, Masthura Masthura, Nazaruddin Nasution
PDF (INDONESIAN)
25-32
IoT-based noise measuring tool with FC-04 sound sensor for polyurethane dampening materials
Vicha Indriany, Masthura Masthura, Nazaruddin Nasution
PDF (INDONESIAN)
33-40
Effect of calorific value on the burning rate of coconut shell briquettes and teak wood powder
Nur Aisah Sagala, Ety Jumiati, Ridwan Yusuf Lubis
PDF (INDONESIAN)
41-44
Design an automatic trash can using the HC-SR04 ultrasonic sensor based on the Arduino Uno microcontroller
Anggi Kumala Dwi, Mulkan Iskandar Nasution, Nazaruddin Nasution
PDF (INDONESIAN)
45-50
An internet of things-based monitoring system for agricultural land suitability for oil palm planting
Amriansyah Simatupang, Mulkan Iskandar Nasution, Muhammad Nuh
PDF (INDONESIAN)
51-58
Morphology test of activated charcoal from oil palm fronds with H2SO4 and NaOH activators
Debby Marantika, Masthura Masthura, Ratni Sirait
PDF (INDONESIAN)
59-62
Fabrication of carbon electrodes from young coconut fiber by varying the carnonization temperature as a supercapacitor application
Sri Ulina Karo Sekali, Awitdrus Awitdrus
PDF (INDONESIAN)
63-66
Identification of hot springs in Sungai Pinang using the Schlumberger configuration geoelectric method
Lily Wandari, Usman Malik
PDF (INDONESIAN)
67-72
Identify coal distribution based on resistivity values using the Wenner configuration geoelectric method in Petai Village, Singingi Hilir District, Kuantan Singingi Regency
Hijrah Septia Anisa, Usman Malik, Krisman Sabar, Sherly Mutiara
PDF (INDONESIAN)
73-78
Analysis of temperature patterns in Pekanbaru City using fractals and artificial neural networks based on monthly temperature data
Reynal Nur Razzaq, Defrianto Defrianto
PDF (INDONESIAN)
79-90
Classification of maturity levels of oil palm fresh fruit bunches using LED-based multispectral imaging methods and principal component analysis
Mohammad Fisal Rabin, Minarni Shiddiq, Rahmondia Nanda Setiadi, Ihsan Okta Harmailil, Ramdani Ramdani, Dedi Permana
PDF (INDONESIAN)
91-98
Potential of palm frond waste as a basic material for making porous activated carbon
Novi Yanti, Pharada Kresna, Muhammad Nasir, Rakhmawati Farma, Lilik Tri Hardanto, Rika Taslim, Erman Taer
PDF (INDONESIAN)
99-108