https://devzone.nordicsemi.com/f/nordic-q-a/36795/fail-to-log-anything-with-nrf_log_info-in-esb-example-of-sdk-15-0-0Hi, I want to use nRF52832(PCA10040 board) to communicate with nRF24L01+. I program the example application( \examples\proprietary_rf\esb_ptx)(SDK v15.0.0) on the board. However, it didn&#39;t log anything as expected, while the other codes can log normallyen-USTelligent Community 13Fri, 27 Jul 2018 12:43:25 GMThttps://devzone.nordicsemi.com/thread/141684?ContentTypeID=1Fri, 27 Jul 2018 12:43:25 GMT137ad170-7792-4731-bb38-c0d22fbe4515:37dc5f87-0288-4b14-bad6-119b5841cf7aHung Bui<p>Hi Lam,&nbsp;</p> <p>&nbsp;</p> <p>Has you made sure you enable logging in sdk_config.h ? You would need to set NRF_LOG_ENABLED&nbsp; = 1</p> <p>Also when you debugging please set the optimization level to 0.</p><div style="clear:both;"></div>