Quote:
Originally Posted by bcieslak
I had a little more time to dig into the data sheet and can see where you got address 3a and 3b from. It is the result of adding the r/w bit to the 7 bit address. From looking at the I2C code I wonder if it twittles that read write bit for you. I wonder if the address they are really looking for there is 0x1D.
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The I2C library takes the 8-bit version of the address (i.e. 0x3A). It does automatically set the R/W bit.