https://devzone.nordicsemi.com/f/nordic-q-a/78425/first-time-blinkin-nrf51822-yj-14015Help me simple LED Blinkink nrf51822 AA type i&#39;m using YJ-14015 and stlink compiler.. i&#39;m also using keil for IDE. i don&#39;t know how to create program and setting for compiler. please help meee!!!en-USTelligent Community 13Thu, 19 Aug 2021 09:49:30 GMThttps://devzone.nordicsemi.com/thread/325679?ContentTypeID=1Thu, 19 Aug 2021 09:49:30 GMT137ad170-7792-4731-bb38-c0d22fbe4515:c01bf614-4d55-4b70-b4c2-f6d027a650a5hansparson013<p>Thanks i already found it, just some softdevice setting and gpio pin setting.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/324396?ContentTypeID=1Wed, 11 Aug 2021 08:27:52 GMT137ad170-7792-4731-bb38-c0d22fbe4515:b367b337-34c5-4389-928b-21b785071ca1run_ar<p>Hi,</p> <p>Please check out our <span><a title="Getting started with nRF5 SDK and SES (nRF51 &amp; nRF52 Series)" href="https://infocenter.nordicsemi.com/topic/ug_gsg_ses/UG/gsg/intro.html?cp=1_1_2">Getting started with nRF5 SDK and SES (nRF51 &amp; nRF52 Series)</a></span> guide. Note that the latest SDK for nRF51 series is nRF5 SDK v12.3.0.</p> <p>Also if you are just starting developing you might want to consider using one of our never nRF52 series devices.</p><div style="clear:both;"></div>