https://devzone.nordicsemi.com/f/nordic-q-a/597/keil-pk51-professional-developer-s-kit-too-expensiveI refuse to pay over $3200 for the Keil PK51 Professional Developer&#39;s Kit. I would only be using it with the nRF8001 DK. The C51 Evaluation Software is limited to 2K! I am not sure this is going to work. What are people doing that don&#39;t have the Keilen-USTelligent Community 13Tue, 08 Oct 2013 07:09:22 GMThttps://devzone.nordicsemi.com/thread/3119?ContentTypeID=1Tue, 08 Oct 2013 07:09:22 GMT137ad170-7792-4731-bb38-c0d22fbe4515:ff8c5499-282d-4b1e-909d-2d3c13647dc6Ole Morten<p>We are aware of the problems getting started with the nRF8001 Development Kit, and the need for Keil&#39;s PK51 to compile the SDK examples. The SDK does however include precompiled hex files, that can be programmed with nRFgo Studio, so I&#39;d recommend you to try those.</p> <p>There is also progress ongoing to make it easier to use the nRF8001 with Arduino boards. This eliminates the need for the PK51 toolchain, and should be a good replacement. Please take a look at <a href="http://forumarchive.bluetooth.org/Pages/Forum.aspx?action=ViewPosts&amp;fid=6&amp;tid=63">this forum thread</a> on the Bluetooth forums for details.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/3117?ContentTypeID=1Sun, 06 Oct 2013 17:36:10 GMT137ad170-7792-4731-bb38-c0d22fbe4515:ca511d6c-7a1b-41c2-852b-65e20fd1aa7aBastiaan<p>Use nRF51822, toolchain is free and open source!</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/3118?ContentTypeID=1Sun, 06 Oct 2013 17:36:10 GMT137ad170-7792-4731-bb38-c0d22fbe4515:02055263-32f5-4de4-b507-8cba10b59ac4Guest<p>Use nRF51822, toolchain is free and open source!</p><div style="clear:both;"></div>