As the technology is growing at a faster pace, everyone prefers for online services. Coming to this project, the aim of this project is to deliver the parcel or courier at the destination address and also update the location of the parcel in the internet.
The parcel will be attached with an RFID tag. This tag contains a unique number. As the parcel travels many postal departments in various regions before reaching the destination, it will read in every region. Every postal department contains the RFID reader.
RFID tags are categorized as either active or passive. Active RFID tags are powered by an internal battery and are typically read/write, i.e., tag data can be rewritten and/or modified. An active tag's memory size varies according to application requirements; some systems operate with up to 1MB of memory. Passive RFID tags operate without a separate external power source and obtain operating power generated from the reader. This project uses passive tags. Read-only tags are typically passive and are programmed with a unique set of data (usually 32 to 128 bits) that cannot be modified. The reader has three main functions: energizing, demodulating and decoding. The antenna emits radio signals to activate the tag and to read and write data to it.
The significant advantage of all types of RFID systems is the non contact, non-line-of-sight nature of the technology. Tags can be read through a variety of substances such as snow, fog, ice, paint, crusted grime, and other visually and environmentally challenging conditions, where barcodes or other optically read technologies would be useless.
The reader reads each and every parcel and automatically sends the unique number in the tag to the microcontroller. The microcontroller displays this number on LCD along with the area it is currently in.
The users can check the current location of the parcel in the internet. Thus, there is no worry that the parcels are reached safely or not. The controlling system continuously updates the current location of the parcel.
SOFTWARE AND HARDWARE TOOLS:
Software Tools:
- Keil compiler
- Orcad.
Hardware Tools:
- Microcontroller AT89S52.
- RFID Reader
- LCD
BLOCK DIAGRAM
