BLE Nano Central: Use PWMhttps://devzone.nordicsemi.com/f/nordic-q-a/19399/ble-nano-central-use-pwmI am working on a project using a ble nano (nrf51822) using the Nordic SDK 8.1. I am trying to use PWM to control a buzzer. To do this I included the following files into my main.c: #include &quot;nrf_delay.h&quot; #include &quot;app_pwm.h&quot; Then I went into theen-USTelligent Community 13Wed, 01 Feb 2017 19:04:29 GMTRE: BLE Nano Central: Use PWMhttps://devzone.nordicsemi.com/thread/75270?ContentTypeID=1Wed, 01 Feb 2017 19:04:29 GMT137ad170-7792-4731-bb38-c0d22fbe4515:aa6e2efd-28dc-4664-9e6c-f5f1f22cf0ddtyler<p>I found the problem. I was adding components/libraries/timer instead of components/drivers_nrf/timer to the include path</p><div style="clear:both;"></div>