https://devzone.nordicsemi.com/f/nordic-q-a/78693/nrf52840-schematic-reviewHi, We are developing the Bluetooth based weight scale product. We have successfully developed the project using nrf52840 DK board but now we are planning to develop the custom board using same. I want you to look into whole schematic and let meen-USTelligent Community 13Wed, 18 Aug 2021 15:30:40 GMThttps://devzone.nordicsemi.com/thread/325564?ContentTypeID=1Wed, 18 Aug 2021 15:30:40 GMT137ad170-7792-4731-bb38-c0d22fbe4515:7113ba03-39f9-49a8-bc79-bcc92303a2bbRkidechaa<p>once we ready with layout, will send you to review it.</p> <p>Thank you&nbsp;&nbsp;</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/325558?ContentTypeID=1Wed, 18 Aug 2021 15:15:25 GMT137ad170-7792-4731-bb38-c0d22fbe4515:e4fb36e3-4a1e-4a93-a4df-818828674d77JONATHAN LL<p>Hi Rahul,<br /><br /><br />There was only the schematics in the included file, we also do review the PCB layout so feel free to include that as well.&nbsp;<br /><br />If you are using Altium to develop the project we do have reference files available for download <a href="https://www.nordicsemi.com/Products/nRF52840/Compatible-downloads#infotabs">here</a>.<br /><br /><br /><img src="https://devzone.nordicsemi.com/resized-image/__size/320x240/__key/communityserver-discussions-components-files/4/pastedimage1629295020804v1.png" alt=" " /><br /><br />Pin 6 on P1 does not connect to SWDIO. you can leave this pin blank. Pin 6 is used as a debug pin in the DK design and is connected to P1.0(AD22) pin on the SoC.<br /><img src="https://devzone.nordicsemi.com/resized-image/__size/320x240/__key/communityserver-discussions-components-files/4/pastedimage1629295133790v2.png" alt=" " /><br /><br /><br />Rest looks ok,<br /><br />Regards,<br />Jonathan<br /><br /><br /></p><div style="clear:both;"></div>