https://devzone.nordicsemi.com/f/nordic-q-a/71228/libuarte-with-softdevice-compatibilityHi Everyone, I changed my old app_uart library for the new libuarte, which works really well whithout a SoftDevice. Now I am struggling to make it work in my final application which runs a SoftDevice. I looked into previous topics but noneen-USTelligent Community 13Wed, 03 Feb 2021 09:42:53 GMThttps://devzone.nordicsemi.com/thread/292627?ContentTypeID=1Wed, 03 Feb 2021 09:42:53 GMT137ad170-7792-4731-bb38-c0d22fbe4515:584b9117-0d1c-43cc-8711-f23a79bbd520rchaudet<p>I finally managed to make it work using app_timer:</p> <p>NRF_LIBUARTE_ASYNC_DEFINE(libuarte, 0, 2, NRF_LIBUARTE_PERIPHERAL_NOT_USED, NRF_LIBUARTE_PERIPHERAL_NOT_USED, 255, 3);</p> <p></p> <p>It seems that the old app_timer is not compatible with libuarte so I had to use the new app_timer2 &amp; drv_rtc</p><div style="clear:both;"></div>