Found this recently and tried the mosfet solution, and it works well =20 for I2C 3.3V to 5V level conversion... =20 http://www.sparkfun.com/tutorials/65 Cheers, -Neil. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .