https://devzone.nordicsemi.com/f/nordic-q-a/90771/reading-and-writing-to-2-bytes-registerHey Nordic&#39;s technical team, I&#39;m trying to write and read via I2C to a component with two bytes registers. I tried the following method: Then switched to this one: But without success so far. Do you have any idea what is the right way to doen-USTelligent Community 13Tue, 09 Aug 2022 10:44:00 GMThttps://devzone.nordicsemi.com/thread/380807?ContentTypeID=1Tue, 09 Aug 2022 10:44:00 GMT137ad170-7792-4731-bb38-c0d22fbe4515:4614d900-d2b0-4812-83b3-a561b3b0e077Michal<p>Hello,</p> <p>The array variable is a pointer to the first variable in an array.</p> <p>Instead of &amp;buf you are supposed to write just buf.</p> <p>buf is the same as &amp;buf[0].</p> <p>Other than that your code should work (assuming that you have the second register address byte in buf[0] and actual data to write in buf[1]).</p> <p>Best regards,</p> <p>Michal</p><div style="clear:both;"></div>