https://devzone.nordicsemi.com/f/nordic-q-a/84691/adding-a-peripheral-real-time-clock-with-ncs-1-8-0-sdk-over-i2cI&#39;m trying to interface with the ds1339 real time clock to set and read the time for timestamping tasks in ncs 1.8.0. I&#39;ve found a few tutorials that boil down to: 1. add the dts child node under the i2c controller node: in my overlay file I changeden-USTelligent Community 13Mon, 21 Feb 2022 12:04:33 GMThttps://devzone.nordicsemi.com/thread/354121?ContentTypeID=1Mon, 21 Feb 2022 12:04:33 GMT137ad170-7792-4731-bb38-c0d22fbe4515:4924419c-defb-4b56-9503-316a4f904dafHakon<p>Hello,</p> <p>there is no driver for ds1339, so that will most likely not work, unless you create one yourself. You can try the ds3231 driver, and use the zephyr\samples\drivers\counter\maxim_ds3231 sample. It&#39;s possible that you need to make some modifications to the zephyr\drivers\counter\maxim_ds3231.c file in order for it to work.</p><div style="clear:both;"></div>