https://devzone.nordicsemi.com/f/nordic-q-a/60944/help-me-how-to-programming-pca10059-using-pca10056-examplebefore the question , I hope you understand my poor English. i make a project using nrf52840 dongle and study how to use dongle I debug pca10056 example on dongle but dongle didnt work ... Which part of the code do I need to modify?en-USTelligent Community 13Mon, 04 May 2020 15:18:33 GMThttps://devzone.nordicsemi.com/thread/247962?ContentTypeID=1Mon, 04 May 2020 15:18:33 GMT137ad170-7792-4731-bb38-c0d22fbe4515:3171d35c-3902-4e6b-b5bc-00d18cd14763J&#248;rgen Holmefjord<p>Hi,</p> <p>In general, you should follow the suggestions in <a href="https://devzone.nordicsemi.com/nordic/short-range-guides/b/getting-started/posts/nrf52840-dongle-programming-tutorial">this tutorial</a>. If you tell us exactly which example you are testing, we may be able to provide you with more direct suggestions.</p> <p>Best regards,<br />Jørgen</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/247730?ContentTypeID=1Sun, 03 May 2020 08:02:21 GMT137ad170-7792-4731-bb38-c0d22fbe4515:63534557-2dde-4b92-880d-018d2dcbf21fTurbo J[quote userid="89972" url="~/f/nordic-q-a/60944/help-me-how-to-programming-pca10059-using-pca10056-example"]I debug pca10056 example&nbsp; on dongle[/quote] <p>How? The dongle has no debugger on board. You woud need to connect an external debugger.</p> <p>We cannot say what to modify since you did not tell us what source code you use. My crystal ball cannot help you here either.</p><div style="clear:both;"></div>