/products/roadtest/b/blog/posts/a-nordic-devacadamy-course-on-the-nrfconnect-sdkA Nordic DevAcadamy Course on the nRFConnect SDK This blog contains my course notes for an excellent course given on the Nordic website on the DevAcadamy site. I thought to create this blog to take notes on the course that I used to get famili...en-USTelligent Community 12https://community.element14.com/products/roadtest/b/blog/posts/a-nordic-devacadamy-course-on-the-nrfconnect-sdkSun, 15 Oct 2023 04:59:47 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:23f6e494-4a1b-43e6-83db-916bc923cfbcOverflow1<p>Hi, I&#39;ve a problem with i2c devices, I&#39;ve ds3221 rtc module, when I scan different devices connect to my board, I can only see 0x57, who is the address of one i2c eeprom on the rtc module, I can&#39;t find the ds3221 address.</p> <p></p> <p>I&#39;ve tried with adafruit aht20 module too, but I can&#39;t communicate i2c with that.&nbsp;</p> <p></p> <p>Any idea?</p> <p>Thank&nbsp;</p><img src="https://community.element14.com/aggbug?PostID=24263&AppID=14&AppType=Weblog&ContentType=0" width="1" height="1">