1. Arduino, Access the Online IDE (2017), https://www.arduino.cc/en/Main/Software. 15 January 2019
2. Archika S, Mumin SS, Shikha B, Nidhi G, Anupama M (2018) RFID and HDL based pre-paid car parking system, second international conference on electronics, communication and aerospace technology (ICECA), pp 1117–1120
3. Asmita J, Gautami D, Samadhan S (2015) OCR and RFID enabled vehicle identification and parking allocation system. In: International conference on pervasive computing (ICPC), pp 1–4.
4. Basavaraju SR (2015) Automatic parking system using internet of things (IOT). Int J Sci Res Publ 5(12):629–632
5. Chon HD, Agrawal D, Abbadi AE (2002) APA: Nearest available parking lot application. In: 18th International conference on data engineering, pp 496–497