Hey folks, I'm hoping I could get a little help with some code to get a DAC (AD5644) to work with an arduino over SPI. More specifically, I'm having issues with the command and address bits in the first byte. Here is the basic sketch I am trying out just to test things: #include "SPI.h" const i…

Trouble with SPI DAC...

johnwasser September 12, 2012, 12:23pm 2

Could your bit order be backward? That will mess with your bit patterns.

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