Rusdi, B. M. and Supardi, Z. A. I. (2023) “Design A pH, Temperature and Solute Monitoring Device in IOT-Based Goldfish Aquarium Water With NodeMCU ESP32: Kata Kunci: NodeMCU ESP32, pH, Suhu, TDS, Relay, IoT”, Inovasi Fisika Indonesia, 12(3), pp. 77–86. doi: 10.26740/ifi.v12n3.p77-86.