Quote Originally Posted by stahta01 View Post
The docs I read had

Code:
#define GAUGE_DEVICE_ADDRESS 0xAA
Is there a reason you are using the address shifted one bit over?

Or is the graphic wrong about address 55?

Tim S.
High 7 bits are the device address, lowest bit indicates if it is a read or write transaction. So commands to device 0x55 will begin with either 0xAA or 0xAB.