https://devzone.nordicsemi.com/f/nordic-q-a/45359/pwm_library-programming-cann-t-run-in-softdevicehello, Now i remove pwm_library programming in ble_app_uart_c(central) of SDK15.0 to produce a 125KHz PWM waveform. But i found the program cann&#39;t run in NRF52 DK. pwm_library can run normally with no softdevice. I found it builds no errors buten-USTelligent Community 13Tue, 26 Mar 2019 10:15:07 GMThttps://devzone.nordicsemi.com/thread/178288?ContentTypeID=1Tue, 26 Mar 2019 10:15:07 GMT137ad170-7792-4731-bb38-c0d22fbe4515:6b211cd5-66a1-4033-9bb7-7bbfaae9476dJared<p><span>Closed due to duplicate. See:&nbsp;<a href="https://devzone.nordicsemi.com/f/nordic-q-a/45314/pwm_library-programming-cann-t-run-in-softdevice">devzone.nordicsemi.com/.../pwm_library-programming-cann-t-run-in-softdevice</a></span></p><div style="clear:both;"></div>