https://devzone.nordicsemi.com/f/nordic-q-a/86765/add-characteristic-to-nus---nrf-connect-1-9-with-visual-studioWe already made working code with NRF5 SDK. It has added three characteristics to send data via UART from a MCU. Each characteristics for separate purposes, for eg. Characteristics1 for Sensor data, Characteristics2 for alert data and like that. Ween-USTelligent Community 13Tue, 12 Apr 2022 11:48:28 GMThttps://devzone.nordicsemi.com/thread/363007?ContentTypeID=1Tue, 12 Apr 2022 11:48:28 GMT137ad170-7792-4731-bb38-c0d22fbe4515:9e463576-1e32-46d1-a3b4-c74fb9be3412sathishraj<p>Thank you very much for the fast response with right answer.&nbsp; Since i got immediate response, i feel confident to start with the new SDK.</p> <p>To follow the tutorial , i need more time, since NRF CONNECT SDK with Zephyr RTOS is completely new for me.</p> <p>So once i completed the above work, i will reply you with exact result of what i am getting.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/362561?ContentTypeID=1Fri, 08 Apr 2022 11:08:51 GMT137ad170-7792-4731-bb38-c0d22fbe4515:b81ebe4b-2b52-4094-80b9-0bf479d9ee3dhaakonsh<p>The closesest we can get to a complete guide is the <a href="https://devzone.nordicsemi.com/guides/nrf-connect-sdk-guides/b/getting-started/posts/ncs-ble-tutorial-part-1-custom-service-in-peripheral-role">nRF Connect SDK Bluetooth Low Energy tutorial part 1: Custom Service in Peripheral role</a>. It will show you how custom service is created in Zephyr and NCS. It&#39;s a bit outdated, but the code show be fairly on-point.&nbsp;</p><div style="clear:both;"></div>