Arulananth T S, Baskar M, P. Hari babu , R. Divya Sree , R.Sanjana, S.Bhavana. “IR Sensor Based Obstacle Detection and Avoiding Robot”. PalArch’s Journal of Archaeology of Egypt / Egyptology, vol. 17, no. 9, Nov. 2020, pp. 3328 -36, https://www.archives.palarch.nl/index.php/jae/article/view/4381.