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PERANCANGAN SISTEM SMARTHOME DENGAN KONSEP IOT BERBASIS ESP32 DI PERUMAHAN CITRALAND MANADO Mamengko, Marcelino Michel Fredrik; Ticoh, Janne Deivy; Mahendra, I Gede Budi
CENDEKIA: Jurnal Ilmu Pengetahuan Vol. 6 No. 1 (2026)
Publisher : Pusat Pengembangan Pendidikan dan Penelitian Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51878/cendekia.v6i1.8875

Abstract

The advancement of Internet of Things (IoT) technology has spurred the development of smart home systems that enhance security, comfort, and energy efficiency in residential environments. This study aims to design and develop a smart home prototype based on the ESP32 microcontroller, implemented within the context of Citraland Manado housing. The system integrates multiple sensors, including PIR for motion detection, DHT22 for temperature and humidity monitoring, and MQ-2 for hazardous gas detection, with actuators such as relays, solenoid locks, and buzzers. Data communication between devices and users is facilitated via the MQTT protocol using the HiveMQ Cloud broker, while the user interface is developed as a web-based Progressive Web App (PWA) accessible in real time from both mobile and desktop devices. The research employs a Research and Development (R&D) methodology with an iterative system development approach. Testing results demonstrate that all components function as designed, data communication remains stable with latency under one second, and the PWA interface is responsive and user-friendly. Nevertheless, the system still faces limitations regarding push notifications and long-term data storage. Overall, this prototype proves to be a viable, affordable, and self-reliant smart home solution with potential for further development and real-world implementation. ABSTRAK Perkembangan teknologi Internet of Things (IoT) mendorong hadirnya sistem smarthome yang mampu meningkatkan keamanan, kenyamanan, dan efisiensi energi di lingkungan perumahan. Penelitian ini bertujuan merancang dan mengembangkan prototipe sistem smarthome berbasis mikrokontroler ESP32 yang diimplementasikan dalam konteks Perumahan Citraland Manado. Sistem ini mengintegrasikan berbagai sensor, seperti PIR untuk deteksi gerakan, DHT22 untuk pemantauan suhu dan kelembapan, serta MQ-2 untuk deteksi gas berbahaya, dengan aktuator seperti relay, solenoid lock, dan buzzer. Komunikasi data antara perangkat dan pengguna dilakukan melalui protokol MQTT dengan broker HiveMQ Cloud, sedangkan antarmuka pengguna dibangun sebagai Progressive Web App (PWA) berbasis web yang dapat diakses secara real-time dari perangkat mobile maupun desktop. Metode penelitian yang digunakan adalah Research and Development (R&D) dengan pendekatan pengembangan sistem secara iteratif. Hasil pengujian menunjukkan bahwa seluruh komponen berfungsi sesuai rancangan, komunikasi data berjalan stabil dengan latensi di bawah 1 detik, dan antarmuka PWA responsif serta mudah digunakan. Meski demikian, sistem masih memiliki keterbatasan dalam hal notifikasi push dan penyimpanan data jangka panjang. Secara keseluruhan, prototipe ini terbukti layak sebagai solusi smarthome yang terjangkau, mandiri, dan dapat dikembangkan lebih lanjut untuk implementasi skala nyata.  
Inquiry Training with WhatsApp for Learning in Vocational Schools Mahendra, I Gede Budi; Rapar, Jocke Jonathan; Memah, Viverdy; Killis, Billy
Jurnal Inspirasi Pendidikan Vol 14 No 2 (2024): Agustus 2024
Publisher : Fakultas Ilmu Pendidikan Universitas PGRI Kanjuruhan Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21067/jip.v14i2.11115

Abstract

Learning at vocational schools aims to prepare the younger generation for work or entrepreneurship. However, in Indonesia, vocational school graduates are the highest contributor to unemployment, namely 9.6%. To increase the competitiveness of graduates, vocational schools must improve the quality of education and vocational skills, especially scientific and mathematical process skills. The objective of this research is to assess the influence of incorporating the WhatsApp-assisted inquiry training on the science process skills and mathematical representation abilities of vocational school students enrolled in the electricity skills program. The study was carried out as a quasi-experiment employing a non-equivalent control group design. A saturated sample of 85 respondents from three classes, including one experimental class and two control classes, was utilized. Prior to the intervention, a pretest was administered. The experimental class received the inquiry training with WhatsApp, while the control class 1 received the inquiry training, and the control class 2 received the direct instruction. The findings of the study indicate that the inquiry training with WhatsApp yields a positive impact and is more effective in enhancing the science process skills and mathematical representation abilities of vocational school students in comparison to the inquiry training model and the direct instruction model, achieving an mean score of 84.16 and an N-Gain score of 0.72 in the high category.