https://devzone.nordicsemi.com/f/nordic-q-a/14584/nrf51-gpio-currentHello, how much current can I draw from 1 GPIO pin on the nRF51422? Could not find it in the datasheet...en-USTelligent Community 13Fri, 17 Jun 2016 20:26:36 GMThttps://devzone.nordicsemi.com/thread/55678?ContentTypeID=1Fri, 17 Jun 2016 20:26:36 GMT137ad170-7792-4731-bb38-c0d22fbe4515:deb28aa1-f4a0-418d-8fbf-7656a8f1920bJohn<p>Its in the Product Spec section 8.23. That said, this answer for the 51822 answers your question in detail as the 51422 has the same specification:</p> <p><a href="https://devzone.nordicsemi.com/question/31394/number-of-nrf51822-high-drive-pins/">Pin current</a></p><div style="clear:both;"></div>