2. Why ? Introduction How ? What ? Components Tutorial

3. Introduction Why ? How ? What ? Components Tutorial

5. Introduction Why ? How ? What ? Components Tutorial

6. Introduction Why ? How ? What ? Components Tutorial

7. Introduction Why ? How ? What ? Components Tutorial The word pot-luck appears in 16th century England, in the work of Thomas Nash, and was there used to mean "food provided for an unexpected or uninvited guest, the luck of the pot". The sense "communal meal, where guests bring their own food", appears to have originated in the late 19th century or early 20th century US, particularly in the Western United States, either by influence from potlatch or possibly by extension of traditional sense of "luck of the pot".

8. Introduction Why ? How ? What ? Components Tutorial

10. Introduction Why ? How ? What ? Components Tutorial Automated System,that is implemented in the store, which makes grocery shopping much easier by - Info Terminal - Check-out - Comfort Payment - Path Guide

12. Introduction Why ? How ? What ? Components Tutorial Prepare your list Send it to the Cart Do the Shopping Send list to the POS Pay the Bill

14. Introduction Why ? How ? What ? Components Tutorial Bluetooth Mate Microcontroller RFID Reader RFID Tag

15. Introduction Why ? How ? What ? Components Tutorial PIC18F4620 Operating Voltage Range 2 to 5.5V Runs up to 20MHz with external crystal 3,968 Bytes RAM 1.024 Bytes Data EEPROM

16. Introduction Why ? How ? What ? Components Tutorial RFID Reader ID-20 5V supply 125kHz read frequency EM4001 64-bit RFID tag compatible 9600bps TTL and RS232 output Magnetic stripe emulation output Read range of 200mm

17. Introduction Why ? How ? What ? Components Tutorial RFID Tag EM4001 ISO based RFID IC 125kHz Carrier 2kbps ASK Manchester encoding 32-bit unique ID 64-bit data stream [Header+ID+Data+Parity]

18. Introduction Why ? How ? What ? Components Tutorial Bluetooth Mate Serial communications: 2400-115200bps Frequency: 2.4~2.524 GHz Operating Voltage: 3.3V-6V Encrypted connection Built-in antenna

19. Introduction Why ? How ? What ? Components Tutorial GLCD Simple 8-bit parallel interface Display format Columns : 32 Lines : 8 Character font Horizontal dots : 8 Vertical dots : 8 Internal 128 character CG- ROM Software allocation of Text, Graphic and Character Generator RAM (CG-RAM)

20. Introduction Why ? How ? What ? Components Tutorial