Damayanti, A.M. et al. 2026. An IoT-Based Implementation with Node-RED for Real-Time Monitoring and Early Warning of Laboratory Energy Consumption via Telegram. Emitor: Jurnal Teknik Elektro. 26, 1 (Mar. 2026), 90–100. DOI:https://doi.org/10.23917/emitor.v26i1.16040.