Smart Shopping Trolley with Smart Billing Using Arduino & Gsm Module

 

Circuit Diagram :- 

Arduino Nano With Interfacing 16x2 Lcd Display :-

//Prateek //www.prateeks.in #include <Wire.h> #include <LiquidCrystal_I2C.h> LiquidCrystal_I2C lcd(0x27, 16, 2); void setup() { lcd.begin(16,2); lcd.setCursor(0,0); lcd.print("Welcome To"); lcd.setCursor(1,1); lcd.print("JustDoElectronics"); lcd.setCursor(0,0); lcd.print("This is a demo text"); lcd.setCursor(0,1); lcd.print("---------"); } void loop() { }





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

//Prateek //www.prateeks.in int count = 0; char card_no[12]; void setup() { Serial.begin(9600); } void loop() { if (Serial.available()) { count = 0; while (Serial.available() && count < 12) { card_no[count] = Serial.read(); count++; delay(5); } Serial.print(card_no); } }


Video :-

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