Even a simple on/off led code cannot run on minewtech Minibeacon nRF51822https://devzone.nordicsemi.com/f/nordic-q-a/36737/even-a-simple-on-off-led-code-cannot-run-on-minewtech-minibeacon-nrf51822hi, I am using nRF51-DK board as external programmer to program Minewtech Minibeacon having nRF51822 chipset (QFABC1, 128KB flash and 16KB RAM). Tools: SDK: nRF51_SDK_10.0.0_dc26b5e ARM tools: 7 2017-q4-major I have used very simple code en-USTelligent Community 13Thu, 26 Jul 2018 16:07:20 GMTRE: Even a simple on/off led code cannot run on minewtech Minibeacon nRF51822https://devzone.nordicsemi.com/thread/141564?ContentTypeID=1Thu, 26 Jul 2018 16:07:20 GMT137ad170-7792-4731-bb38-c0d22fbe4515:baad3c2b-d7b0-49c8-8fee-6c7f2c6ecd91J&#248;rgen Holmefjord<p>Have you tried debugging the application, to see if it enters main function and executes some code?</p><div style="clear:both;"></div>