https://devzone.nordicsemi.com/f/nordic-q-a/15893/nrf52832-ciaa-schematicI need to connect to the VSS of the nRF52832-CIAA Ground A mistake by one of the VSS was not connected nowhere. The VSS was one N.C.. Do you have any problem with this case? C4 should be connected to the GROUND. However, N.C. It was ..en-USTelligent Community 13Mon, 22 Aug 2016 11:16:27 GMThttps://devzone.nordicsemi.com/thread/60625?ContentTypeID=1Mon, 22 Aug 2016 11:16:27 GMT137ad170-7792-4731-bb38-c0d22fbe4515:78f02549-5527-4b6a-b323-53c3157317c2Hung Bui<p>Hi Nyni,</p> <p>Our recommendation is to follow the reference design.</p> <p>Leaving the VSS pin C4 open may cause unexpected behavior. If you are doing the board simply for testing purpose, it may still work but it&#39;s not recommended.</p> <p>The best solution is to redo the schematic and layout to connect the pin to ground properly.</p><div style="clear:both;"></div>