Smart Shopping Trolley with Smart Billing Using Arduino & Gsm Module


Circuit Diagram :- 

Arduino Nano With Interfacing 16x2 Lcd Display :-

Arduino Uno Or Nano Interfacing With Em-18 Rfid Module :- 

Video :-

WhatsApp Number :- +918830584864


  1. what is the 2nd code here i dint understand how to dump 2 codes and where to dump the 1st code id dumped in arduino nano what about the 2nd one?