https://devzone.nordicsemi.com/f/nordic-q-a/44684/whic-keil-compiler-edition-for-nrf52840-usb-cdc-acmHi All Just bought a nRF52840-DK board (PCA10056) with the purpose to develop a project where nRF52840 is used as virtual com port. The Lite edition doesn&#39;t allow to compile the USBD_CDC_ACM example due to the 32KB size limitation. Which editionen-USTelligent Community 13Tue, 12 Mar 2019 13:25:33 GMThttps://devzone.nordicsemi.com/thread/175679?ContentTypeID=1Tue, 12 Mar 2019 13:25:33 GMT137ad170-7792-4731-bb38-c0d22fbe4515:037ebddf-ab8d-4c85-bd62-8e7c8a87b18aKenneth<p>Have you considered using Segger Embedded Studio (SES) instead?</p> <p>All recent SDK deliveries come with SES support, there is no size limit, and a free commercial license is available when developing with nRF devices.</p> <p>You may also check out:<br /><a href="https://www.nordicsemi.com/-/media/DocLib/Other/User_Guides/gettingstartedsespdf.pdf?la=en">https://www.nordicsemi.com/-/media/DocLib/Other/User_Guides/gettingstartedsespdf.pdf?la=en</a>&nbsp;</p> <p>Online video tutorial:<a href="https://www.youtube.com/watch?v=YZouRE_Ol8g&amp;list=PLx_tBuQ_KSqGHmzdEL2GWEOeix-S5rgTV"><br />https://www.youtube.com/watch?v=YZouRE_Ol8g&amp;list=PLx_tBuQ_KSqGHmzdEL2GWEOeix-S5rgTV</a>&nbsp;</p> <p>Best regards,<br />Kenneth</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/175421?ContentTypeID=1Mon, 11 Mar 2019 15:10:59 GMT137ad170-7792-4731-bb38-c0d22fbe4515:42d4cf17-9c04-47cf-aaf1-da77e9a257f2cristian.anceschi<p>OK, many thanks.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/175351?ContentTypeID=1Mon, 11 Mar 2019 13:52:20 GMT137ad170-7792-4731-bb38-c0d22fbe4515:a4aea275-af25-4fb3-9344-9782aa98b36eawneil[quote userid="65729" url="~/f/nordic-q-a/44684/whic-keil-compiler-edition-for-nrf52840-usb-cdc-acm"]is the&nbsp;<span>Middleware required</span>[/quote] <p>No, it is not <em>required</em>.</p><div style="clear:both;"></div>