RFID Based Book Tracking System CHAPTER 3 DESIGN PROCEDURE

3.1 ALGORITHM:

Step 1:  Start.

Step 2: Enable Serial Port interrupt.

Step 3: Initialize Lcd.

Step 4: Initialize Serial Port.

Step 5: Display "Show the card of the Item" on the Lcd.

Step 6: Check whether Display button pressed or Card is shown to the reader.

Step 7: If display button is pressed go to step-10

Step 8: Else if RFID card is shown, go to step-12

Step 9: Else go to 6.

Step 10: Display the entries of EEPROM one by one on the Lcd, containing the Item IN and OUT details.

Step 11: Go to step 6.

Step 12: Read the card number

Step 13: Read the date and time

Step 14: Check if the card is already stored as "IN"

Step 15: If the card is already stored as IN, make it as OUT with date and time.

Step 16: Else store the card number along with date and time in EEPROM

Step 17: Go to step 6.

Step 18: Stop.

3.2 FLOW CHART