MR. D. P. BELGAONKAR, and MR. S. B. JADHAV. “DESIGN AND IMPLEMENTAION OF CLOUD BASED LIGHT INTENSITY MONITORING SYSTEM USING RASPBERRY PI”. International Journal of Innovations in Engineering Research and Technology, vol. 4, no. 5, Mar. 2021, pp. 1-6, https://repo.ijiert.org/index.php/ijiert/article/view/1377.