best way to implement i2c interface for pc access (rs232 or usb)

sortadan

hello! i'm a bit of a nob with the·I²C interface, and i was wondering if anyone could fill me in on how best to go about putting together a little circuit that i can plug into my serial port and send / receive status codes to a device?

Thanks a lot for any info!

ps: just had to use this icon ·because it looks so cool :-)
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sortadan

something like http://www.i2cchip.com/ (i should have searched a bit more before posting i guess .