https://devzone.nordicsemi.com/f/nordic-q-a/8867/nrf51822-s110-exampleHi, Can anyone help me where can find the example ble_hr ? I have changed the main file and it is saved and now I want the original example that was in C:\Keil_v5\ARM\Device\Nordic\nrf51822\Board\pca10001\s110\ble_app_hrs Thanksen-USTelligent Community 13Mon, 24 Aug 2015 09:41:40 GMThttps://devzone.nordicsemi.com/thread/32605?ContentTypeID=1Mon, 24 Aug 2015 09:41:40 GMT137ad170-7792-4731-bb38-c0d22fbe4515:01ce7500-255b-46da-9061-801aec04b4f4Anders Strand<p>You need the nRF51 SDK (You are using the <strong>nRF51</strong>822 chip)</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/32604?ContentTypeID=1Mon, 24 Aug 2015 09:36:09 GMT137ad170-7792-4731-bb38-c0d22fbe4515:951b2056-06d6-411d-9420-f14d8df9cb16Ramin<p>Thank you, But I didnt find the one was previousely installed on my pc. In the link you sent there were lots of projects which SDK should I download?</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/32603?ContentTypeID=1Mon, 24 Aug 2015 09:04:54 GMT137ad170-7792-4731-bb38-c0d22fbe4515:d2e3c09d-9952-4c3d-9cb3-be1690e319d1Anders Strand<p>Hi!</p> <p>You can download the sdk from <a href="http://developer.nordicsemi.com">developer.nordicsemi.com</a></p> <p>The hrs example is found in &quot;\nRF51_SDK\examples\ble_peripheral\ble_app_hrs&quot;</p> <p>EDIT: Direct link til nRF51 SDK Version 9.0: <a href="http://developer.nordicsemi.com/nRF51_SDK/nRF51_SDK_v9.x.x/nRF51_SDK_9.0.0_2e23562.zip">Here</a></p><div style="clear:both;"></div>