Grocery stores now-a-days are crowded almost every hour of the day resulting in long queues at every billing counter. This paper is to develop an automated self-billing system that would save the ...

S.S. Vikas, a class 11 student of Sri Sankara Vidyalaya in Karur, has developed the model that uses radio-frequency identification (RFID) tags and a small scanner fitted to a shopping trolley to ...