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Implementasi Teknologi Hybrid Internet of Things dan Logger dalam Pemantauan Tinggi Muka Air sebagai Sistem Peringatan Dini Kekeringan Lahan Gambut di Kelurahan Tahai, Palangka Raya, Kalimantan Tengah: Implementation of Hybrid Internet of Things and Logger Technology for Water Table Monitoring as an Early Warning System for Peatland Drought in Tahai Village, Palangka Raya, Central Kalimantan Cassiophea, Lola; Anggraeni, Maya Erliza; Handayani, Noviyanthy; Genesa, Frans Putra; Kristianto, Nathanael Yanuar; Syahputra, Gagas Wira; Yustiana, Ana
PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat Vol. 10 No. 12 (2025): PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat
Publisher : Institute for Research and Community Services Universitas Muhammadiyah Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33084/pengabdianmu.v10i12.10939

Abstract

Peatlands in Tahai Village, Palangka Raya, Central Kalimantan, play a crucial role as carbon sinks and water regulators, yet they are highly vulnerable to droughts that can trigger fires. Local communities have lacked access to an adequate early warning system, making it challenging to conduct timely mitigation. This community service program aims to implement a hybrid Internet of Things and logger technology to monitor water table levels in real-time, serving as an early warning system for drought. The devices consist of a water table sensor, air temperature and humidity sensors, and a soil moisture sensor, all connected to a microcontroller, cellular communication module, solar panel, and battery, serving as a stand-alone power supply. The program was carried out through socialization, training, device installation, field testing, mentoring, and evaluation. The results indicated a 68% improvement in community knowledge based on pre-test and post-test assessments. Three units of the system were successfully installed and operated continuously, recording data every 2 hours and delivering early warning notifications through text messages. This program has proven effective in increasing community preparedness, providing appropriate technology for environmental monitoring, and strengthening the role of local cadres in ensuring program sustainability.
Development of Educational Statistics Course Worksheets Integrating Mathematics and Chemistry to Enhance Students’ Understanding of Quantitative Concepts Wulandari, Agtri; Artuti, Emy; Sari, Anggi Ristiyana Puspita; Ratnawati, Oktaviana Ainun; Sholehatun, Istiqomah Yusuf; Yustiana, Ana
JURNAL PENDIDIKAN Vol 26 No 2 (2025): Jurnal Pendidikan
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat (LPPM) Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52850/jpn.v26i2.24236

Abstract

Students in teacher education programs often experience difficulties in understanding statistical concepts due to their abstract nature and limited connection to real-world contexts. Nevertheless, statistics serves as a fundamental foundation for developing quantitative thinking skills in science education. This study aimed to develop the KIMATIKA Student Worksheet (Lembar Kerja Mahasiswa/LKM), which integrates mathematics and chemistry concepts in the Educational Statistics course to enhance students’ quantitative understanding. The study employed a Research and Development (R&D) method by adapting the ADDIE model and was conducted up to the development stage. The results of expert judgment validation indicated that the KIMATIKA worksheet demonstrated a very high level of feasibility. The material experts’ evaluation yielded an average score of 4.74 with an ideality percentage of 94.71% (Very Good), while the media experts’ evaluation resulted in an average score of 4.81 with an ideality percentage of 96.25% (Very Good). In addition, students’ evaluations produced an overall average score of 4.58 with an ideality percentage of 91.51%. These findings indicate that the KIMATIKA worksheet is substantively sound, well-structured in its presentation, linguistically appropriate, and visually effective, and it received very positive responses from students in its implementation.