GPIO Pins on PCA1005 Blinkyhttps://devzone.nordicsemi.com/f/nordic-q-a/3199/gpio-pins-on-pca1005-blinkyHi, and thanks for reading this, I&#39;m currently able to power the PCA10005 by sending 3.3v to pin1 of p2, and pin5 of p2 to ground, with this setup I&#39;m able to program the module but I&#39;m currently unable to power an led at Pin23 of P2. I&#39;ve tested theen-USTelligent Community 13Sun, 28 Sep 2014 17:47:25 GMTRE: GPIO Pins on PCA1005 Blinkyhttps://devzone.nordicsemi.com/thread/11774?ContentTypeID=1Sun, 28 Sep 2014 17:47:25 GMT137ad170-7792-4731-bb38-c0d22fbe4515:0fffa1d6-2757-4d5d-8830-5bb23b45d9dbNK<p>Hi @epinnock: did you manage to solve the problem? If yes, please share the method used. Thanks.</p> <p>@cocoa: have you tried the schematic you have posted?</p><div style="clear:both;"></div>RE: GPIO Pins on PCA1005 Blinkyhttps://devzone.nordicsemi.com/thread/11773?ContentTypeID=1Wed, 30 Jul 2014 16:57:19 GMT137ad170-7792-4731-bb38-c0d22fbe4515:9c95aad2-d6f4-459d-bacc-5b86f492bfdecocoa<p>Hi, we wish to know if our solution works.</p><div style="clear:both;"></div>RE: GPIO Pins on PCA1005 Blinkyhttps://devzone.nordicsemi.com/thread/11777?ContentTypeID=1Mon, 21 Jul 2014 09:16:08 GMT137ad170-7792-4731-bb38-c0d22fbe4515:c618b13f-55aa-4d2a-b157-d0bd5173ee5bcocoa<p>Vince you are right. It&#39;s very relevant, indeed. Pin P2.23 is declared as BoardID, while nRF51822 IC pin P0.23 is connected to P2.36.</p><div style="clear:both;"></div>RE: GPIO Pins on PCA1005 Blinkyhttps://devzone.nordicsemi.com/thread/11776?ContentTypeID=1Mon, 21 Jul 2014 08:44:58 GMT137ad170-7792-4731-bb38-c0d22fbe4515:d1a4613d-f70b-4c37-87fe-ffb0af8e9b7cVince<p>Hi,</p> <p>This might be irrelevent, but IO pin #23 (<strong>P2.7</strong>) is connected to <strong>Pin36</strong> of <strong>P2</strong>, right?</p> <p>Vince</p><div style="clear:both;"></div>RE: GPIO Pins on PCA1005 Blinkyhttps://devzone.nordicsemi.com/thread/11775?ContentTypeID=1Mon, 21 Jul 2014 06:47:58 GMT137ad170-7792-4731-bb38-c0d22fbe4515:c2058abb-7522-412c-9f89-06e9caf4b474cocoa<p>Thanks to Vince , found the issue.</p> <p>See the schematic and read Vince&#39;s answer.</p> <p>Tell us if it works.</p> <p><img src="https://devzone.nordicsemi.com/cfs-file/__key/communityserver-discussions-components-files/4/LED.png" alt="image description" /></p><div style="clear:both;"></div>