USB to I2C (TWI) ???

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Question I have been searching for a Windows based software that can communicate through USB to and Mega32U4 's I2C port ??? and code for the Mega32U4.

something like :

I2c Add Data
Send (0X30) (XX) (XX) (XX)
Read (0X31) XX

either Text interface or GUI... don't care, It would be a means to test I2C components quickly and R&D i2c systems.
I don't have 400+ to spend either... would like to just use one of the mega32u4 (Arduino Micro)

Any help would be GREAT !
Thanks

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Sounds like you want one of these:

http://www.seeedstudio.com/depot...

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This might work Thanks, But was still hoping not to purchase anything new, I have a couple Arduino Micros about and wanted to find a sketch to load. still hoping as it will be a couple of weeks before I can get a Bus Pirate,

Thanks