Budi Tjahjono, Kundang Karsono and Lista Meria 2021. Development of Precission Farming Hydropoonic Model Based On Internet of Things Using Arduino . International Journal of Science, Technology & Management. 2, 6 (Nov. 2021), 1946-1955. DOI:https://doi.org/10.46729/ijstm.v2i6.392.