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Re: AD7799 read value from loadcell using Arduino mega 2560

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I'm not a expert in Arduino and haven't looked into the details of your code, but if you use the SPI lib, can it be that the SPI transfers split 24-bit transfers into 3 x 8-bit transfers? That isn't accepted by the AD779x parts.

If so, you may need to write your own SW-"SPI"-Routine to transfer the 24-bit in one frame.


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