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All Journal Dulang: Jurnal Pengabdian Kepada Masyarakat Prosiding Seminar Nasional Inovasi Teknologi Terapan Jurnal Inovasi Teknologi Terapan
Amril Reza
Politeknik Manufaktur Negeri Bangka Belitung
Agriculture, Biological Sciences & Forestry Computer Science & IT Electrical & Electronics Engineering Industrial & Manufacturing Engineering Mechanical Engineering Social Sciences Other

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PENGUATAN ENGINEERING LITERACY SISWA MELALUI KEGIATAN PERAKITAN HYDRAULIC ROBOTIC ARM (HYDRA) DI SDN 21 SUNGAILIAT Pratiwi, Indah Riezky; Mayang Sari, Elisa; Novitasari, Novitasari; Reza, Amril; Akbar, Ilham; Afreza, Nanda
Jurnal Pengabdian Masyarakat Polmanbabel Vol. 4 No. 01 (2024): DULANG : Jurnal Pengabdian Kepada Masyarakat
Publisher : Pusat Penelitian dan Pengabdian Kepada Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/dulang.v4i01.312

Abstract

The lack of activities to strengthen engineering literacy implemented at the elementary school level and the dominant learning carried out using text books are the main factors in the low engineering literacy of elementary school students. This community service activity aims to strengthen the engineering literacy of elementary school students through the Hydraulic Robotic Arm (HydRA) assembly activity at SDN 21 Sungailiiat. Through this activity, it is hoped that it can increase students' knowledge and skills related to engineering literacy, which can be used and developed further to welcome the era of society 5.0. This community service activity is carried out through a series of activities, starting with an initial survey carried out at partner locations, followed by preparing activity plans and creating activity materials, up to the activity implementation stage. This activity took place for one day at SD Negeri 21 Sungailiat and was attended by 26 students of class V A. The activity of strengthening elementary school students' engineering literacy through the Hydraulic Robotic Arm (HydRA) assembly activity at SDN 21 Sungailiiat went well, as seen by the increase in knowledge and skills students related to engineering literacy.
Analisis Pengaruh Penggunaan Arang Aktif Dari Cangkang Melo – Melo (Bailer Shell) Sebagai Media Penurunan Derajat Keasaman Pada Air Limbah Pencucian Timah Dzuljalali, Muhammad; Ary Wahyudie, Ilham; Reza, Amril
Jurnal Inovasi Teknologi Terapan Vol. 2 No. 2 (2024): Jurnal Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/jitt.v2i2.174

Abstract

Polluted tin washing wastewater can be neutralized using activated charcoal made from clam shells. Clam shells are one of the materials that have a very high CaCO3 (calcium carbonate) content and are very effective in being used as an active charcoal material. Shells that have gone through the combustion process will become CaO (Calcium Oxide) and can become alkaline when dissolved with H2O (water) will produce Ca(OH)2 (Calcium Hydroxide) which is alkaline so that it can increase the pH quality of tin washing wastewater. Activated charcoal which has more open pores due to the combustion process, makes it stronger to absorb acid levels in tin washing wastewater in Air Nyatoh Village. In this study using the Taguchi method with Nominal is Best characteristics, the desired pH is pH 7.5 using matrix L9 (34) with factors namely Activated Charcoal Weight, Activated Charcoal Size, and Settling Time. Activated charcoal in this study uses Melo - Melo Clam Shells (Bailer Shell) that have been activated. After conducting the testing process, water that was originally at pH 4.0 experienced an increase to an average pH of 7.41. This is closer than the desired pH. Based on the calculations in this study, the weight of activated charcoal has an F Value of 23.56 and the size of activated charcoal has a value of 24.28. Both factors are the same - both have an influence on the increase in pH, while the deposition time has a value of 7.0 and has no effect on the increase in pH when measured against the F Table 5%, namely with a value of 19.00.
Pengaruh Panjang Serat Pelepah Kelapa Sawit dan Persentase Serbuk Cangkang Telur terhadap Kekuatan Impak Komposit Bermatriks Polyester Aidil Pratama; Juanda Juanda; Ilham Ary Wahyudie; Sukanto Sukanto; Amril Reza
Jurnal Inovasi Teknologi Terapan Vol. 4 No. 2 (2026): Jurnal Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/jitt.v4i2.462

Abstract

Utilising oil palm frond fibre and eggshell powder provides an opportunity to convert plantation and food waste into functional composite constituents. This study examined the effects of fibre length and eggshell-powder content on the Charpy impact strength of a polyester-matrix composite. A 3 × 3 full-factorial design was applied using fibre lengths of 60, 70, and 80 mm and eggshell-powder contents of 3, 6, and 9 wt.%. Three specimens were prepared for each combination by hand lay-up, giving 27 specimens, and were tested with reference to ISO 179-1. The highest mean impact strength was 50.72 kJ/m² for the 80 mm–9% combination, whereas the lowest was 15.52 kJ/m² for the 80 mm–6% combination. Two-way ANOVA indicated significant effects of fibre length, eggshell-powder content, and their interaction (p < 0.001). The interaction confirms that a longer fibre does not automatically improve impact strength unless it is accompanied by an appropriate filler content. The investigated composite is therefore positioned as an initial candidate for car bumper components.
RANCANG BANGUN FOOD TROLLEY PENGHANGAT MAKANAN OTOMATIS BERBASIS INTERNET of THINGS Miftah Puspita Sari; Fadhlan Aditya Firdaus; Rafli Nur Hakim; Eko Sulistyo; Amril Reza; Peprizal Peprizal
Prosiding Seminar Nasional Inovasi Teknologi Terapan Vol. 6 No. 1 (2026): Prosiding Seminar Nasional Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Hospital food distribution requires a system capable of maintaining food temperatures to meet safety standards until the food reaches the patient. Temperature drops during distribution can compromise food quality; therefore, an automated heating system with real time monitoring capabilities is essential. This study aimed to design and construct an Internet of Things (IoT) based heated food trolley utilizing an ESP32 microcontroller, a DHT22 sensor, a PTC heater, an axial fan, and a Fuzzy Logic Controller (FLC) method. The monitoring system employs the Blynk application, enabling temperature and humidity tracking via smartphone. The research methodology encompassed requirements identification, mechanical and electronic design, software development, FLC implementation, system assembly, and performance testing. Test results demonstrated that the system successfully reached a setpoint temperature of 61°C and achieved stability within approximately 10 seconds. The DHT22 sensor exhibited an accuracy rate of 99.1-99.9% when compared to a reference measuring instrument. The FLC implementation effectively automated the PTC heater's operation to maintain the desired temperature range, while the Blynk application successfully displayed real-time temperature and humidity data. The findings indicate that the developed system is capable of maintaining food temperatures during distribution and offers superior monitoring convenience compared to systems relying solely on heating elements without IoTbased monitoring.
Co-Authors Afreza, Nanda Aidil Pratama Dzuljalali, Muhammad Eko Sulistyo Elisa Mayang Sari Fadhlan Aditya Firdaus Ilham Akbar Ilham Ary Wahyudie Ilham Ary Wahyudie Indah Riezky Pratiwi Juanda Juanda Miftah Puspita Sari Novitasari Peprizal Peprizal Rafli Nur Hakim Sukanto Sukanto