i2c interface tools - use your pc to send i2c messages and program eeproms

Welcome to I2C Tools

I2Ctools provides i2c host controllers and software for connecting your PC to I2C bus and SPI devices. The software incorporates general purpose user interfaces, allowing you to communicate with I2C and SPI devices. It also has the ability to edit, save, and program eeproms.

Visit our Product Selector Guide. It will help you decide which product is the right one for you.

USB-to-I2C Elite, USB-to-I2C Professional, and LPT-to-I2C SE Professional products are powerful i2c hardware and software packages which allows you to begin sending I2C messages within minutes of installation.

USB-to-I2C Professional is a general purpose I2C and SPI tool that allows a user to communicate with I2C and SPI devices. USB-to-I2C includes the USB-based hardware and Windows software, compatible with Windows 98SE, ME, 2000, XP, Vista and the latest Microsoft operating system: Windows 7. A DLL is included allowing you to create your own I2C and SPI applications. Examples using Visual C++, Visual Basic, C#, Delphi, and C++ Builder are provided.

USB-to-I2C Elite has a similar user interface to the Professional version, but it uses a 60MHz ARM7 processor for unrivaled performance. The USB-to-I2C family of products are the most complete usb-based I2C and SPI development tools available.

LPT-to-I2C SE Professional is a wide operating voltage (down to 0.9V) I2C hardware and Windows software tool for communicating with I2C and SMBus hardware. A DLL is included that can be used to create your own custom i2c applications. Examples using Visual C++, Visual Basic, Delphi, and C++ Builder are provided. The LPT-to-I2C SE host adapter with serial EEPROM is shipped with this product. The i2c host adapter includes an on-board socket for programming.

News
October 22, 2009:
USB-to-I2C Elite and USB-to-I2C Professional version 5 have been released. This latest version adds support for Windows 7. In addition to Windows 7 support, the drivers allow operation in 64-bit Windows environments (XP, Vista, and 7). The software is backward compatible for all versions of hardware.
Software updates are available for no charge.

USB-to-I2C Elite includes an enclosure and an 18-pin split cable!

USB-to-I2C Professional is now available with an enclosure, your choice of a ribbon cable or an optional 14-pin split cable. See our special on the Ordering Page!!

LPT-to-I2C SE has been updated with the following new features:
1. Windows Vista, XP64, and Vista64 support added
2. Can utilize non-standard parallel ports (PCI-based parallel port cards)
3. Updated user interface with more devices

Visit the Product Selector Guide
It will help you decide which product is the right one for you!!

Updates:

October 22, 2009
USB-to-I2C V5
Software updated. Windows 7 and 64-bit Windows operating system drivers added.

January 2009
USB-to-I2C Elite
I2C Slave capability added to the hardware, software, and DLL.

November 2008
LPT-toI2C SE V4
New features and user interface. Vista64 and XP64 support added.

We are so confident that you will find these products to be the best value on the market that we will refund your money if you are not totally satisfied with our I2C products.