Offshore Software Development Case Study - RFID-based asset tracking solution




Customer Profile

A North American diversified technology company serving its clients and communities with innovative products and services. Each of their businesses has earned leading global market positions. 3M brand is recognized and trusted around the globe.


  • Additional functionalities provided their end clients more value for their money
  • Self-service Kiosks realized customer’s objective of unmanned booths
  • Automation at sorting and segregating sections
  • Improved patron satisfaction
  • Less time spent tackling deployment problems

Technology Used

  • Microsoft .NET Framework
  • WCF Service
  • Installshield
  • HitachiOPC
  • SchneiderPLC


Congruent was selected as development partner to create state-of-the-art functionality for the existing library system suite of products and provide the end customers more value for their money


Customer Situation

  • Business needed to add more state-of-the-art functionalities to the existing library system suite of products
  • Required automated system to sort checked-in books and send the same to respective section without manual intervention

Congruent's Solution

  • Developed a RFID-based asset tracking solution that detects the check-in of books, update the inventory and lending history records. System also aid in transferring books to relevant sections through conveyors
  • Developed a user intuitive touch screen interface, that patrons use to check-in and get printed acknowledgement slips
  • Developed a wizard based deployment system solving most deployment bottlenecks of the existing system

Congruent's Key Challenges

  • Controlling the versions of the system using Installshield
  • Worked with COM components of HitachiOPC and SchneiderPLC
  • Using state machine architecture for handling the Patron Sessions effectively
  • Worked with barcode reader, RFID reader and high-speed thermal POS receipt printer
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