When gazell protocol using ,GPIO06 output can not controlhttps://devzone.nordicsemi.com/f/nordic-q-a/48258/when-gazell-protocol-using-gpio06-output-can-not-controlhi I want to know where the gazell control the GPIO06, i connect a LED with this pin ,and its blinky when send data failed . I used to see it controlled in somewhere but now i have forgotten how to find it . THANK YOU FOR YOUR HELP!en-USTelligent Community 13Mon, 10 Jun 2019 01:20:26 GMTRE: When gazell protocol using ,GPIO06 output can not controlhttps://devzone.nordicsemi.com/thread/191758?ContentTypeID=1Mon, 10 Jun 2019 01:20:26 GMT137ad170-7792-4731-bb38-c0d22fbe4515:6e62f61c-1150-4748-aa84-c90407df08f7zyj<p>after your remind ,i find the macro&nbsp; &nbsp;&#39;NRF_LOG_BACKEND_UART_ENABLED &#39; in sdk_config.h is 1 but&nbsp; not 0 ,so i changed it to 0.it worked!&nbsp; VERY&nbsp;thanks for your kind help!</p><div style="clear:both;"></div>RE: When gazell protocol using ,GPIO06 output can not controlhttps://devzone.nordicsemi.com/thread/191336?ContentTypeID=1Thu, 06 Jun 2019 11:48:47 GMT137ad170-7792-4731-bb38-c0d22fbe4515:341e7772-4c35-4713-bb8a-02deb96dd14cJ&#248;rgen Holmefjord<p>Hi,</p> <p>Are you using any specific Gazell examples? GPIO P0.06 is used for UART TX pin by default on the DK. Could it be data sent on UART you are seeing? NRF_LOG supports sending logs over UART backend on P0.06.</p> <p>Best regards,<br />Jørgen</p><div style="clear:both;"></div>