https://devzone.nordicsemi.com/f/nordic-q-a/29520/how-to-establish-gatt-services-in-keil5I am considering nRF51840 chip to use in my project, I have found good examples for it, but I still have a question if there is a special method to establish new services and characteristics for the GATT protocol. Simplicity(IDE for SiliconLabs productsen-USTelligent Community 13Thu, 18 Jan 2018 12:42:07 GMThttps://devzone.nordicsemi.com/thread/117318?ContentTypeID=1Thu, 18 Jan 2018 12:42:07 GMT137ad170-7792-4731-bb38-c0d22fbe4515:f3dfbc51-6368-442f-8343-991a1dedf4c4Joakim Jakobsen<p>Hi AndreyMazur.</p> <p>I&#39;m afraid that I don&#39;t know of any such tools to create new services/characteristics.</p> <p>However, we do provide tutorials on how to acheive it.<br /> You can check out our <a href="https://devzone.nordicsemi.com/tutorials/">tutorial section</a> here on devzone, especially the;<br /> <a href="https://devzone.nordicsemi.com/tutorials/5">Bluetooth low energy Advertising, a beginner&#39;s tutorial</a><br /> <a href="https://devzone.nordicsemi.com/tutorials/8">Bluetooth low energy Services, a beginner&#39;s tutorial</a><br /> <a href="https://devzone.nordicsemi.com/tutorials/17">Bluetooth low energy Characteristics, a beginner&#39;s tutorial</a></p> <p>One of my colleagues also have a tutorial on his GitHub, which uses one of the most recent SDK&#39;s. You can check out his updated <a href="https://github.com/bjornspockeli/custom_ble_service_example">Custom Service Tutorial</a> here.</p> <p>Best regards,<br /> Joakim.</p><div style="clear:both;"></div>