Hi Tom sorry for the code thing i will try to edit it.
Yes i googled and i saw the link you posted but the guy dont provide any code or anything the video wasnt so good. I saw ur comment also i appreciate the help!! but i cant link my code on his .. it seems that the loop is too short and am complicating it .
it's hard that i take picture of the circuit now but i can tell you the 8 connections of my DAC.
REF connected to external 5v Ref Chip
ADDR to GND
SDA To SDA
SCL To SCL
AUX to GND
GND to GND
VDD to battery supply 5.2 V