https://devzone.nordicsemi.com/f/nordic-q-a/9200/nrf51822-blinky-with-softdevice-0v-on-led-pinsHi, I try blinky with softdevice example and reconfigure it to support nRF51822AA. I can program my custom board, I can debug as well, but led is not blinking. I have connected currently only VCC, GND, SWDIO, SWDCLK and some ports to LEDs. I measureen-USTelligent Community 13Mon, 14 Sep 2015 08:40:53 GMThttps://devzone.nordicsemi.com/thread/33922?ContentTypeID=1Mon, 14 Sep 2015 08:40:53 GMT137ad170-7792-4731-bb38-c0d22fbe4515:e81f7379-66a7-4a4b-bbd7-789058f30b08Vrabec<p>I found reason &amp; solution. My LED mappings leads to port which are not broken up in my custom board. After fixing this, everything works well.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/33921?ContentTypeID=1Mon, 14 Sep 2015 08:39:36 GMT137ad170-7792-4731-bb38-c0d22fbe4515:af6604ad-34f6-483a-92ec-f9e09109aa89Vrabec<p>Yes, I did. Meanwhile I found also reason. In my board definition, LED pins was mapped to port which are not broken up. I changed this and everything working like a charm.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/33920?ContentTypeID=1Mon, 14 Sep 2015 08:27:42 GMT137ad170-7792-4731-bb38-c0d22fbe4515:06b6a1cb-28eb-4829-84aa-425e36eb156aInspectron<p>Did you defined the LEDs as output?</p><div style="clear:both;"></div>