P.Praveen, T.Subash, K.M Subburathinam, M.Suresh and G.Ramani (2019) “Solar powered automatic irrigation system using moisture sensor ”, International journal of intellectual advancements and research in engineering computations, 7(2), pp. 2111–2116. doi: 10.61096/ijiarec.v7.iss2.2019.2111-2116.