In SX Microcontrollers, SX/B Compiler and SX-Key Tool, peterverkaik wrote: For direct USB to I2C go here [url=http://www.i2cchip.com/]http://www.i2cchip.com/[/url] and scroll down to Host Adapter Products. Check out the datasheet for the BL233 chip and the ready to run I2C-2-PC USB adapter. The USB adapter offers 3 I2C buses so you still need a multiplexer to address all your 8 chips, but it relieves you of interfacing to the USB bus. regards peter ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=79857#m80103 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2005 (http://www.dotNetBB.com)