https://devzone.nordicsemi.com/f/nordic-q-a/19189/nrf51-sdk-changing-led-tickI am using the Nordic nRF51 SDK on a BLE Nano device. The example I am using uses a function to initialize the LED flashing (bsp_init()). This sets the timing for the ticks. What I want to do is invert the ticks. What I mean by this is that currentlyen-USTelligent Community 13Tue, 24 Jan 2017 12:24:38 GMThttps://devzone.nordicsemi.com/thread/74327?ContentTypeID=1Tue, 24 Jan 2017 12:24:38 GMT137ad170-7792-4731-bb38-c0d22fbe4515:bc978a73-471d-473d-91a3-fed8b767623fSigurd<p>Hi,</p> <p>For bsp advertising blinking, you can configure the on/off interval in the file <code>bsp_config.h</code></p> <pre><code>#define ADVERTISING_LED_ON_INTERVAL 200 #define ADVERTISING_LED_OFF_INTERVAL 1800 </code></pre><div style="clear:both;"></div>