https://devzone.nordicsemi.com/f/nordic-q-a/17251/unable-to-see-nrf51822-on-nrfgo-stHi all, I&#39;m using MDBT40Nano from Raytac corporation with nRF51822 chipset. I tried to connect to my Segger J-Link Base but I&#39;m not able to see the motherboard in nRFGo studio. I&#39;ve done my setup according to the datasheet from Raytac. Can someone enlightenen-USTelligent Community 13Mon, 24 Oct 2016 09:21:47 GMThttps://devzone.nordicsemi.com/thread/66262?ContentTypeID=1Mon, 24 Oct 2016 09:21:47 GMT137ad170-7792-4731-bb38-c0d22fbe4515:45553c2a-5ac3-4a04-95fd-970201e03f72J&#248;rgen Holmefjord<p>Have you made sure the board is powered and that you have installed drivers for the SEGGER J-Link programmer?</p><div style="clear:both;"></div>