https://devzone.nordicsemi.com/f/nordic-q-a/80511/cannot-use-gpio1-in-ncsI used the P1.13 pin of NRF52833 as the output pin, and used it in the manner of the blinky sample program, but it crashed and prompted the following error message: *** Booting Zephyr OS build v2.4.99-ncs1 *** I: port_pin_mask:1023 I: busy_pin_dev:GPIO_1en-USTelligent Community 13Mon, 11 Oct 2021 16:27:49 GMThttps://devzone.nordicsemi.com/thread/333582?ContentTypeID=1Mon, 11 Oct 2021 16:27:49 GMT137ad170-7792-4731-bb38-c0d22fbe4515:997bc3de-6cb4-4a5f-81f8-7f5441c467e7AAC<p>Oh, sorry, I think I need to recheck the schematic diagram of the nrf52833 module I used, thanks for the reminder.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/333531?ContentTypeID=1Mon, 11 Oct 2021 13:05:09 GMT137ad170-7792-4731-bb38-c0d22fbe4515:8f9de66c-be2c-4446-8dde-dc1fd8b59656Sigurd Hellesvik<p>Hi AAC</p> <p>The nRF52833 have 42 GPIO pins, which is P0.00 to P0.31 and P1.00 to P1.09.<br />nRF52833 does not have a pin P1.13.</p> <p>See <a href="https://infocenter.nordicsemi.com/topic/ps_nrf52833/gpio.html?cp=4_1_0_5_7_0#concept_o12_bgv_bs">nRF52833 GPIO</a>:<br /><img src="https://devzone.nordicsemi.com/resized-image/__size/320x240/__key/communityserver-discussions-components-files/4/pastedimage1633957495244v1.png" alt=" " /></p> <p>Regards,<br />Sigurd Hellesvik</p><div style="clear:both;"></div>