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Because I have not tested all electronic circuits mentioned on this pages, I cannot attest to their accuracy; therefore, I do not provide a warranty of any kind and cannot be held responsible in any manner.
Open Source USB to I2C Interface
28. February 2009 - 12:20 — admin
Based on great Till Harbaum work (already mentioned here), Barry Carter makes this terrific USB to I2C interface.
Features:
* High speed I2C Communications at up to 333KHZ
* SPI capable
* Can be used as an AVR programmer via avrdude
This (open-source) interface is perfect for servo controlling and Barry provides some software and libraries to do this.
Link: USB to I2C