G.Neelamegam, G.Bharathi, S.Chandru, and P.M.Manikandan. “Automatic LED Street Lights Controller – Design and Implementation”. International Journal of Intellectual Advancements and Research in Engineering Computations, vol. 7, no. 1, Mar. 2019, pp. 1019-27, https://ijiarec.com/ijiarec/article/view/911.