https://devzone.nordicsemi.com/f/nordic-q-a/50861/mdbt42q-bluebee-module-having-issue-in-toggling-gpio-pinsHello, I am using nrf52832 board, having SDK 15.3.0, in Segger studio IDE, on windows10. I am using bluebee board in which mdbt42q chip is used.I am trying to toggle gpio pin number P0.11, P0.12. Observation P0.11 is toggling from 0V to 3.3en-USTelligent Community 13Mon, 12 Aug 2019 12:47:45 GMThttps://devzone.nordicsemi.com/thread/203595?ContentTypeID=1Mon, 12 Aug 2019 12:47:45 GMT137ad170-7792-4731-bb38-c0d22fbe4515:3d83c040-e9e7-4dd1-b0c8-6894761e0c1aSigurd<p>Hi,</p> [quote userid="81321" url="~/f/nordic-q-a/50861/mdbt42q-bluebee-module-having-issue-in-toggling-gpio-pins"]Why it is not toggling??[/quote] <p>Maybe the pin is connected to something, there is an asterisk (*) next to the pin number, so it could e.g. be connected to some UART-USB bridge or similar. You would need the&nbsp;<span>datasheet&nbsp;or schematic to confirm it.</span></p> [quote userid="81321" url="~/f/nordic-q-a/50861/mdbt42q-bluebee-module-having-issue-in-toggling-gpio-pins"]If possible can i get the datasheet for the module..??[/quote] <p>The&nbsp;<span>bluebee board is&nbsp;according to <a href="https://raytac.blog/2016/09/10/raytacs-welcome-indian-distributor-atoll-solutions-join-the-module-selling/">this website</a> produced by&nbsp;Atoll Solutions. You would need to contact&nbsp;Atoll Solutions to get the datasheet.</span></p><div style="clear:both;"></div>