https://devzone.nordicsemi.com/f/nordic-q-a/306/heart-rate-service-hangs-while-debugging-with-eclipse-on-nrf51822-dev-kitHi, I set up eclipse according to n-AN29 and imported several of the example projects. The blinky_example project described in the nRF51822 dev kit user&#39;s guide works perfectly (I get blinking LEDs). When I try to use the heart rate service exampleen-USTelligent Community 13Sat, 17 Aug 2013 14:52:31 GMThttps://devzone.nordicsemi.com/thread/1624?ContentTypeID=1Sat, 17 Aug 2013 14:52:31 GMT137ad170-7792-4731-bb38-c0d22fbe4515:60ed4d8d-dcfc-45ec-ac7e-2a1be68c6c68Morgan Redfield<p>Ok, now I feel silly.</p> <p>I was programming the heart rate example before I had programmed the soft device. I used nRFgo studio to install the soft device (exactly as explained in the dev kit user&#39;s guide) and everything works now.</p><div style="clear:both;"></div>