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Software Development Kits

To help get your iButton® and 1-Wire® application up and running quickly, we offer several Software Development Kits (SDKs) that ensure interoperability among all iButton applications. Most of our software examples are part of our SDKs. For an overview of each SDK, click on the links below.
1-Wire Public Domain Kit
This kit is a public-domain API written in C and portable across multiple PC operating systems, handheld operating systems, and microcontroller platforms. The kit contains over 20 sample 1-Wire/iButton applications, all written in C. For microcontroller platforms without a C compiler available, the kit also includes assembly code functions representing low-level 1-Wire bus protocol algorithms such as reset/presence detect, byte I/O, and bit I/O.
1-Wire API for Java
The 1-Wire API for Java™ is the foundation for developing robust 1-Wire and iButton software on platforms that have a Java virtual machine. It contains 25 example programs with source (including the OneWireViewer utility) to demonstrate iButtons and other 1-Wire devices.
1-Wire SDK for Windows
1-Wire SDK for Windows® demonstrates the 1-Wire .NET API (OW.NET), the TMEX API, and a Pure C# library written for Microsoft's Compact .NET framework (aimed at Windows CE/Mobile applications). The kit includes sample programs with source code that exercises iButtons and other 1-Wire devices. Examples are available in many programming languages, including C#, VB.NET, C, VB6, Pascal (Borland Delphi), etc.
1-Wire Software Authorization SDK
This SDK contains a set of solutions to control authenticate and authorize use of software programs. The kit offers copy protection, and aids in managing the cost of software distribution.