/products/arduino/b/blog/posts/more-eyes-on-to-explain-whyI trying to determine why the LED&#39;s on Pin 7 &amp; 4 do not glow as bright as the pins on 5 &amp; 2. The nano circuit is for the two floor elevator project Going Down anyone . I&#39;ve generated a PCB and during testing, the LED for the botto...en-USTelligent Community 12https://community.element14.com/products/arduino/b/blog/posts/more-eyes-on-to-explain-whySun, 03 Aug 2025 16:31:02 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:5c5cb0d1-8b2d-4693-9578-d0608cf001e3kmikemoo0<p>I didn&#39;t see anything in the code.</p> <p>Do the lower LEDs start out dim or are they bright then dim?&nbsp; You may need to lengthen your delay to determine this.&nbsp; Is the lower servo fed power or ground on a common conductor to the LEDs?&nbsp; It could be a voltage drop issue.&nbsp; I&#39;m also wondering if you might have a &quot;leaky&quot; MOSFET.<br />(I had a replacement generator controller once where OFF wasn&#39;t really OFF.&nbsp; Enough current leaked through the MOSFETs that the generator would start as soon as battery power was applied to the controller.)</p><img src="https://community.element14.com/aggbug?PostID=29113&AppID=145&AppType=Weblog&ContentType=0" width="1" height="1">https://community.element14.com/products/arduino/b/blog/posts/more-eyes-on-to-explain-whySun, 03 Aug 2025 15:27:38 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:5c5cb0d1-8b2d-4693-9578-d0608cf001e3beacon_dave2<p>pinMode setup for the bottom elevator ?&nbsp;</p><img src="https://community.element14.com/aggbug?PostID=29113&AppID=145&AppType=Weblog&ContentType=0" width="1" height="1">