TOMAS, M. et al. 2026. Development and Performance Evaluation of a Real-Time Environmental Monitoring System Using ESP32, MQTT, Node-RED, and MySQL Database. Jurnal Andalas: Rekayasa dan Penerapan Teknologi. 6, 1 (Jun. 2026), 47–59. DOI:https://doi.org/10.25077/jarpet.v6i1.143.