Bob Axtell wrote: > 1K resistors? That seems low, to me. I seem to recall the I2C spec > being 3.3K resistors... Actually IIC specifies the maximum logic low sink current, which means you can use around 2Kohms to 5V if I remember right. ****************************************************************** Embed Inc, Littleton Massachusetts, (978) 742-9014. #1 PIC consultant in 2004 program year. http://www.embedinc.com/products -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist