ACS ACR122U SDK development kit

The ACR122U SDK (Software Development Kit) is a complete package designed to help developers integrate NFC and contactless card functionality using the ACR122U (and ACR122T) readers. It’s tailored for building applications such as access control, e-payment, transit ticketing, and NFC-based identity solutions.

What’s Included

Hardware Components

• One ACR122U NFC contactless smart card reader

• One ACR122T token version (if provided with kit)

• Five MIFARE® 1K contactless cards

• Five ACOS3 contact cards

Software Tools & Resources

• Drivers for seamless integration with operating systems

• Utilities and tools, including:

  • PC/SC Learning Tool

  • QuickView

  • Script Tool

  • Smart Card & Reader Tool

• Demo applications demonstrating typical card operations

• Sample source code in languages such as Java, Visual Basic, C++, C#, and VB.NET

• Reference manuals and developer documentation for setup, configuration, and integration

Advanced Feature Demo

• Peer-to-peer NFC interaction demonstration ("Smart Poster" application), showcasing real-world NFC peer mode using two readers.

Development Benefits

• Accelerates integration – Pre-packaged code and tools make it easy to develop NFC-enabled applications.

• Multi-language support – Ready-to-run examples in popular programming environments.

• Peer-to-peer example – Ready-made demo helps you explore advanced NFC interactions.

• Hardware included – Comes with reader, sample cards, and setup utilities to get you started immediately.

Typical Use Cases

• Access control systems using contactless cards

• Contactless payment or micro-payment applications

• Transit fare collection and reload systems

• NFC-enabled smart posters or marketing displays

• Loyalty programs and ID verification workflows