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Forum Post: RE: ADS1257: Setup ADS1257 Concerns

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Hi Chris Hall, Thank you very much for your detailed reply. I would like to follow up with you regarding the previous responses. "If you synchronize all three ADS1257 's then you would only need to monitor one /DRDY signal." Can my sync pin GPIO from uC? Do I connect three ADS1257 SYNC pins to one GPIO of the uC or should they all be separated? If I use SYNC feature, do I have one hardware interrupt pin for each DRDY? Your reply is not necessarily, so I assume we only use one uC pin for all three DRDY I realize that its cousin, ADS1256 , has a well established library for Arduino microcontrollers. Does it have any significant differences compared to ADS1257 besides having more channels? Do you have library files for ADS 1256 and/or ADS1257 that I could use to adapt to my ESP32? I am trying to figure out the most efficient way to establish the SPI connections between ESP32 and the ADS but not sure how to. If you have any suggestions, I would really appreciate. Thanks, Khoi Ly

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