>I think now the task at hand for me is to figure out how to work with
>getting 5V devices to mingle with a 3.3V PIC24.

I guess the best way is the FET level shifter shown in the Philips I2C
definition document at http://www.standardics.nxp.com/support/i2c/ (about
2/3 down the page under "Bus Specifications")

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