Hidayatullah, M. et al. 2022. Monitoring System of Water Quality on Hydroponic Planting Media using Total Dissolved Solid (TDS) Sensor Based Arduino Uno R3. JURNAL ILMU FISIKA | UNIVERSITAS ANDALAS. 14, 2 (Aug. 2022), 108–115. DOI:https://doi.org/10.25077/jif.14.2.108-115.2022.