https://devzone.nordicsemi.com/f/nordic-q-a/2902/nrf51822-compilerReading through the nRF51822 Beacon reference design it states that there are Keil ARM project files available. Does this mean that the example code given after purchasing the Development kit is Keil ARM compiler dependent or can I use IAR or GCC to compileen-USTelligent Community 13Tue, 24 Jun 2014 17:40:37 GMThttps://devzone.nordicsemi.com/thread/11056?ContentTypeID=1Tue, 24 Jun 2014 17:40:37 GMT137ad170-7792-4731-bb38-c0d22fbe4515:a954a069-57b7-4991-bb7f-0367e2d278d7Nils Minor<p>Hi, i am not sure , i also worked only with keil, but in the past i read about eclipse + gcc + arm toolchain to develop software for nrf51 series there are some posts in the forum like this <a href="https://devzone.nordicsemi.com/question/6319/eclipse-with-sdk52-nan-29/">devzone.nordicsemi.com/.../</a> which could be interesting to you</p><div style="clear:both;"></div>