https://devzone.nordicsemi.com/f/nordic-q-a/6629/data-transmission-faultHi there I started with an empty ble_template and added my own custom service emulating the batterey service, with all the same functions etc. Using master emulator i can see the characteristic increasing and decreasing just like the batterey serviceen-USTelligent Community 13Wed, 22 Apr 2015 20:22:46 GMThttps://devzone.nordicsemi.com/thread/23210?ContentTypeID=1Wed, 22 Apr 2015 20:22:46 GMT137ad170-7792-4731-bb38-c0d22fbe4515:b6b78cb2-6f45-4405-bb25-8f50ebd8abecWass0392<p>Sorry for this, i have solved the problem, turns out that i had set the handle of the other characteristic to the same as the first characeristic, thanks all the same</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/23209?ContentTypeID=1Wed, 22 Apr 2015 15:08:39 GMT137ad170-7792-4731-bb38-c0d22fbe4515:cbbbaa63-7be7-4418-bd02-7e5d660bb7c1Wass0392<p>I have added the relevant code to the characteristic data update/change. I can upload code for the other characteristic structure and init if necessary? thanks</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/23208?ContentTypeID=1Wed, 22 Apr 2015 11:29:31 GMT137ad170-7792-4731-bb38-c0d22fbe4515:64ba4bde-dde7-4d0f-a9c1-42b9db021c7aMartinBL<p>Hi</p> <p>Can you please show us your relevant code? If you are not comfortable doing this here you can contact us in our support portal on <a href="https://www.nordicsemi.com/eng/">nordicsemi.com</a></p><div style="clear:both;"></div>