Experimental Study on Low-Cost Sensor Sensitivity of Inspection Quadcopter’s Anti-Collision SystemNavaneetha Krisnan Chandran, Adi Azriff Basri, Ernnie Illyani Basri and Mohammed Thariq Hameed SultanE3S Web Conf., 477 (2024) 00026DOI: https://doi.org/10.1051/e3sconf/202447700026