Universitas Maritim Raja Ali Haji Pusat Jurnal Ilmiah
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Emotion Detection with AI: Development of Learning Media for Evaluation of Cognitive Load of Prospective Teacher in Genetics Lectures
Full text linkCognitive load can be measured, one of which is by emotions through facial expressions during learning. This research aims to develop learning media by integrating artificial intelligence (AI) that is able to detect the emotions of prospective teachers during genetics lectures. Using AI technology, the system can evaluate students\u27 cognitive load in real-time through facial expression analysis. This learning media is equipped with emotion detection features, interactive learning materials, and an informative dashboard to monitor student learning progress. This research is a development research that refers to the Borg & Gall model. The data collection technique is in the form of questionnaires and questions integrated into AI media that detects student emotions, which are then analyzed using machine learning algorithms to identify the level of cognitive load during the lecture session. The results of the study showed that this learning medium was able to identify the emotional expression of each student in the genetics of mendelism with a percentage of 61.64% (surprised-happy) describing a moderately low-very low cognitive load, and 38.42% (sad-angry) describing a high cognitive load. So that with the acquisition of this data, it is known that more than 50% of students\u27 emotional recordings (low cognitive load) can follow and understand the information obtained in the Mendelism genetics lecture. The application of this technology is expected to improve the quality of learning and help students achieve a better understanding of genetics courses
Rancang Bangun Monitoring Suhu dan Kelembaban Menggunakan Sensor DHT 22 Berbasis Web Server Dengan Media Transmisi LoRa di Shelter Navigasi DVOR
Full text linkAbstract— DVOR (Doppler VHF Omnidirectional Range) equipment is very sensitive to room temperature. If the temperature is not between 18 °C to 24 °C then the DVOR Navigation device can be extinguished. The purpose of this study was to design a DVOR Navigation shelter temperature and humidity monitor using LoRa (Long Range) delivery and displayed in a web server. The study used a DHT 22 as temperature sensor, RTC DS 3231 to retrieve time data, a Micro SD Card module used to store data, LoRa as a data transmission medium, and ESP32 as a microcontroller. The study successfully designed and developed a temperature monitoring instrument using the DHT 22 sensor. The device is capable of measuring temperature and being sent according to delivery time as well as storing data to the SD Card via LoRa and displayed in the form of a web server. The results of observations showed that data transmission must be no obstacle or LOS (Line of Sight) in order to get good data.Intisari— Pada peralatan Navigasi DVOR (Doppler VHF Omnidirectional Range) sangat sensitif dengan suhu ruangan. Apabila suhu tidak sebesar antara 18°C sampai 24°C maka alat Navigasi DVOR bisa padam. Tujuan dari penelitian ini yaitu merancang alat monitor suhu dan kelembaban ruang shelter Navigasi DVOR menggunakan pengiriman LoRa (Long Range) dan ditampilkan dalam web server. Penelitian ini menggunakan sensor suhu DHT 22, RTC DS 3231 untuk mengambil data waktu, modul Micro SD Card yang digunakan untuk menyimpan data, LoRa sebagai media transmisi pengiriman data, serta ESP32 sebagai mikrokontroller. Penelitian berhasil merancang dan mengembangkan instrumen monitoring suhu menggunakan sensor DHT 22. Perangkat mampu mengukur suhu dan dikirim sesuai waktu pengiriman serta menyimpan data ke SD Card melalui LoRa dan ditampilkan dalam bentuk web server. Hasil pengamatan menunjukkan bahwa pengiriman data harus tidak ada halangan atau LOS (Line of Sight) agar mendapatkan data yang baik
Rancang Bangun Alat Pemantau Kualitas Air Danau Berbasis Internet of Things Di Kantor DPRD Provinsi Kepulauan Riau
Full text linkWhen consuming lake water for sanitation purposes, information about the quality of the lake water consumed is needed or not. The design and manufacture of this lake water quality monitoring device aims to provide information on the feasibility of lake water used for sanitation purposes. This tool uses the parameters of temperature, pH, TDS and turbidity level. This water quality monitoring device uses ESP 32 as its microcontroller by using a temperature sensor, pH sensor, TDS sensor and water turbidity sensor. The results of measuring lake water quality will later be displayed on the OLED screen and also displayed on the Blynk android application.Saat mengkonsumsi air danau untuk keperluan sanitasi diperlukan informasi mengenai kualitas air danau yang dikonsumsi apakah layak atau tidak. Perancangan dan pembuatan alat pemantau kualitas air danau ini bertujuan memberikan informasi mengenai kelayakan air danau yang digunakan untuk keperluan sanitasi. Alat ini menggunakan parameter suhu, pH, TDS dan tingkat kekeruhan. Alat pemantau kualitas air ini menggunakan ESP 32 sebagai mikrokontrolernya dengan menggunakan sensor suhu, sensor pH, sensor TDS dan sensor kekeruhan air. Hasil dari pengukuran kualitas air danau nantinya akan ditampilkan pada layar OLED dan juga ditampilkan pada aplikasi android Blynk
Agile Governance through the SIKOJA Application: Driving Bureaucratic Reform in Jambi City Government
Full text linkPublic demands for government bureaucracy are increasingly strong in order to create agile, efficient, accountable, and high-quality public services. This study aims to determine how the Jambi City Government applies Agile Governance principles through the SIKOJA application in serving public needs and as an effort to realize bureaucratic reform within the Jambi City government. This study uses a qualitative method with a case study approach. This approach was chosen to gain a deep understanding of the application of Agile Governance principles in public services, particularly through the digital innovation of the SIKOJA (Jambi City Information System) application. The results of this study indicate that there are several principles that are considered unsuccessful in being implemented. As with the Human-focused principle, there are several important things that need to be improved, such as minimal socialization to users. The Systematic and Adaptive approach principle also explains that the Jambi City Government through the SIKOJA application has not been successful in implementing this principle. There are several complaints from users such as the system that often experiences errors and there are bugs or technical damage in the application
Ketidaksetaraan Gender dalam Pendidikan
Full text linkStudi gender saat ini, melihat bahwa ketimpangan gender disebabkan karena ketidakmampuan bersaing dengan kaum lelaki. Oleh karena, upaya yang dilakukan adalah mendidik kaum perempuan dan mengajak mereka berperan serta dalam pembangunan. Namun kenyataannya proyek-proyek peningkatan peran serta perempuan, salah arah dan justru mengakibatkan beban bagi perempuan tanpa hasil yang memang menguatkan kedudukan perempuan sendiri. Dalam realitas di tengah masyarakat terdapat adat kebiasaan yang tidak mendukung dan bahkan melarang keikutsertaan perempuan dalam pendidikan formal. Bahkan ada nilai yang mengemukakan bahwa “perempuan tidak perlu sekolah tinggi-tinggi karena akhirnya ke dapur juga”. Ada pula anggapan seorang gadis harus cepat-cepat menikah agar tidak menjadi perawan tua. Paradigma seperti inilah yang menjadikan para perempuan menjadi terpuruk dan dianggap rendah kaum laki-lak
Regional Policy Diversification to Maximize Blue Economy Potential in Kepulauan Riau Amid Indonesia-China Bilateral Cooperation
Full text linkIndonesia’s ambition to enhance its maritime economy has been reinforced by its bilateral cooperation with China through the Memorandum of Understanding (MoU) on Deepening Blue Economy Cooperation. This initiative presents a significant opportunity for maritime provinces like Kepulauan Riau, which possess vast marine resources yet remain underutilized. Despite having 96% of its territory covered by sea, the region\u27s fisheries sector contributes only 1.72% to its Gross Regional Domestic Product (GRDP), revealing a substantial gap between potential and economic realization. This study aims to explore how regional policy diversification can optimize blue economy potential in Kepulauan Riau amid growing bilateral cooperation. A qualitative descriptive-analytical approach was employed, using secondary data from official statistics, government regulations, academic literature, and blue economy policy frameworks. The study identifies tourism, fisheries, renewable energy, maritime transport, and climate mitigation as key sectors for development. The findings suggest that integrating these sectors through tailored regional policies aligned with local characteristics can create a synergistic effect, amplifying the benefits of blue economy investments. Additionally, strategic policy alignment with national blue economy roadmaps and the inclusion of local stakeholders are crucial to ensure equitable and sustainable outcomes. In conclusion, the research highlights that regional diversification, guided by the principles of sustainability, inclusivity, and local relevance, is essential to transforming external cooperation into real and balanced economic growth for Kepulauan Riau. Such a strategy ensures that no community is left behind in the national pursuit of blue economy advancement
Direct Regional Head Elections and Excessive Corruption Loopholes
Full text linkCorruption remains one of the most pressing challenges undermining democracy, governance, and public trust in Indonesia, particularly following the implementation of decentralization and regional autonomy. While regional autonomy was intended to bring prosperity and equal development, in practice it has often facilitated the spread of corrupt practices from central government to regional administrations. The issue has become more acute with the implementation of direct regional head elections (pilkada), which, though designed to strengthen democratic participation, have created significant financial and political pressures on candidates, often resulting in the misuse of state budgets and the normalization of money politics. This study aims to examine the relationship between direct regional elections and the proliferation of corruption loopholes, highlighting how electoral mechanisms inadvertently encourage corrupt behavior. The research employs a descriptive explorative method, relying on secondary data from scholarly works, official documents, and prior research, and analyzing them through qualitative descriptive analysis to uncover patterns and systemic weaknesses. The findings indicate that direct elections, while enhancing political legitimacy, also generate high financial demands that compel candidates to seek external funding, leading to post-election corruption through budget manipulation, project markups, politicization of social assistance, and collusion between bureaucrats, legislatures, and political investors. Moreover, the system often fails to ensure accountability, as legislative oversight is weak and public mechanisms for monitoring leaders remain limited. The study concludes that although direct elections provide opportunities for citizen participation, they also institutionalize structural vulnerabilities that sustain corruption. This paradox underscores the need for reforms in electoral financing, stricter accountability mechanisms, and stronger institutional checks and balances to prevent democracy from becoming a breeding ground for corruption
Analysis of Gas Station Queue System; Case Study Gas Station 13.201.101 on Jalan Jamin Ginting, Medan Baru District, Medan City
Full text linkPublic Fuel Filling Stations (SPBU) are essential facilities that support transportation by ensuring the availability of fuel for motorized vehicles. However, long queues, particularly during peak hours, often cause traffic congestion, wasted time, and reduced customer satisfaction. These inefficiencies are generally linked to limited service capacity and uneven workload distribution among fuel pumps. This study aims to analyze the queuing system at Gas Station 13.201.101, Jalan Jamin Ginting, Medan, using the M/M/s queuing model and simulation with Arena software. Data were collected through direct observation of vehicle arrivals and service times for motorcycles and cars. Statistical tests, including chi-square and Kolmogorov-Smirnov, were applied to determine the best fit for inter-arrival and service time distributions, which followed exponential and beta distributions, respectively. The results indicate that motorcycles had an average inter-arrival time of 3.8 minutes and a service time of 3.3 minutes, while cars averaged 5.5 minutes between arrivals with 5.9 minutes of service. The theoretical M/M/s analysis showed relatively efficient performance, with less than one minute of waiting time and pump utilization ranging between 32% and 70%. In contrast, Arena simulation reflected real operational conditions more accurately, showing no waiting lines but revealing uneven distribution of workload among pumps, with some exceeding 70% utilization while others remained low. These findings highlight that while the system is generally efficient, improvements in vehicle routing and pump allocation are necessary. Recommendations include optimizing station layout, operator training, and adopting automated distribution systems to enhance efficiency and customer satisfaction
PENENTUAN KADAR MINYAK PADA AYAM TEPUNG DENGAN PENGGUNAAN MINYAK BERULANG DENGAN SOXHLET
Full text linkDaging ayam merupakan salah satu hasil ternak yang umum dikonsumsi oleh masyarakat. Salah satu proses pengolahan yang umum dilakukan yaitu dengan proses penggorengan. Tujuan penelitian ini adalah untuk mengetahui kadar lemak pada sampel dengan Metode Sokhlet dan untuk mengetahui kandungan Asam Lemak Bebas yang terdapat pada sampel. Analisis lemak pada penelitian ini dilakukan dengan metode sokhlet dan analisis kandungan Asam Lemak bebas (FFA). Prinsip dari metode soxhlet adalah lemak diekstrak dengan pelarut lemak yang bersifat non-polar seperti Petroleum Eter (PE), Petroleum benzena, dll. Berat lemak diperoleh dengan cara memisahkan lemak dengan pelarutnya (menguapkan pelarut dengan pemanasan). Proses terbentuknya asam lemak bebas yaitu dalam reaksi hidrolisis minyak dan lemak akan diubah menjadi asam-asam lemak bebas dan gliserol. Penetapan kadar asam lemak bebas dilakukan dengan prinsip titrasi asam basa dengan menggunakan persamaan % FFA. Perlakuan yang diterapkan adalah penggunaan minyak goreng bekas penggorengan ke-1, bekas penggorengan ke-4 dan bekas penggorengan ke-7 dengan pengulangan masing-masing dua kali. Sehingga rata-rata hasil pengamatan yang didapatkan sebesar 9.08%, 24.72% dan 28.92%. Sedangkan kadar asam lemak bebas yang didapatkan rata-ratanya sebesar 0.27%, 0.93% dan 1.34%
PENGEMBANGAN MODUL PEMBELAJARAN BERBASIS GUIDED INQUIRY PADA PRAKTIKUM KIMIA DASAR
Full text linkPenelitian ini untuk mengembangkan modul kimia dasar inkuiri terbimbing yang valid, praktis, dan efektif. Jenis penelitian yang digunakan adalah penelitian dan pengembangan (R&D), yaitu penelitian yang menghasilkan produk tertentu. Model pengembangan yang digunakan dalam penelitian adalah model 4D yaitu define, design, develop, disseminate. Instrumen penelitian yang digunakan berupa angket yang terdiri dari lembar validitas dan lembar kepraktisan serta tes hasil belajar pada kemampuan praktikum kimia dasar. Modul praktikum kimia dasar divalidasi oleh tiga orang validasi yang terdiri dari tiga dosen yaitu 1 dosen kimia UNP, 2 dosen kimia Universitas Perintis Indnesia. Uji kepraktisan dilakukan oleh dua dosen kimia dan 30 mahasiswa program studi D III Analyzer. Hasil analisis validitas lembar, kepraktisan dosen dan kepraktisan mahasiswa menunjukkan skor rata-rata momen kappa (k) berturut-turut adalah 0,94, 092 dan 0,78. Ketiga nilai tersebut jika diinterpretasikan dalam kategori momen kappa, maka kategori validitas dan kepraktisan modul ini sangat tinggi, dan kepraktisan siswa dalam kategori tinggi. Modul yang berhasil dikembangkan sangat valid dan praktis digunakan untuk laboratorium kimia dasar