Smart Parking for Smart Cities using IoT Bhavani Ratakonda, Pavithra Avvari, B. Rajarao, Voruganti Sreevani and N V Ganapathi Raju E3S Web Conf., 309 (2021) 01128 Published online: 07 October 2021 DOI: 10.1051/e3sconf/202130901128