https://devzone.nordicsemi.com/f/nordic-q-a/52415/issue-interfacing-with-i2c-sensor-lis3dh-and-nrf9160Dear All, I am trying to interface my nRF9160 sensor with the LIS3DH accelerometer. What I have done so far are the following: I am trying to use I2C_2 In my prj.conf I have the following: I have created a nrf9160_pca10090ns.overlayen-USTelligent Community 13Fri, 20 Sep 2019 17:12:48 GMThttps://devzone.nordicsemi.com/thread/211016?ContentTypeID=1Fri, 20 Sep 2019 17:12:48 GMT137ad170-7792-4731-bb38-c0d22fbe4515:6ff5336e-50d5-45ed-93bb-b043c7ca0966DevinCallahan<p>Error&nbsp;<span>195952641 is the &quot;Address Not Ack&#39;d&quot; error.&nbsp; If possible I would check the address.&nbsp; One thing that caught me is you don&#39;t need to set the R/W bit in the address, the peripheral does that for you based on the request type.</span></p><div style="clear:both;"></div>