/members-area/personalblogs/b/blog/posts/electrical-engineering-please---my-robot-needs-a-loving-touchMy robot is &quot;looking for love in all the wrong places&quot; (occasionally). I need to find an electrical engineer to love him for some very brief moments. ( *Spikes* his hair just thinking about it. ) Some of the design parameters of my 16 year old R...en-USTelligent Community 12https://community.element14.com/members-area/personalblogs/b/blog/posts/electrical-engineering-please---my-robot-needs-a-loving-touchWed, 15 Jun 2016 14:15:53 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:d4d67a35-be5b-430d-a2f3-bccd45a53c5falanmcdonley0<p>Sure enough - I was driving the GPIO pin with 5v pulses from the HC-SR04.&nbsp; Nasty mistake.</p><p>&nbsp;</p><p>Rewired and recoded - bot stayed up for 10 hours with no reboots.&nbsp; </p><img src="https://community.element14.com/aggbug?PostID=21732&AppID=293&AppType=Weblog&ContentType=0" width="1" height="1">https://community.element14.com/members-area/personalblogs/b/blog/posts/electrical-engineering-please---my-robot-needs-a-loving-touchTue, 14 Jun 2016 15:29:28 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:d4d67a35-be5b-430d-a2f3-bccd45a53c5falanmcdonley0<p><strong>OUCH</strong></p><p>&nbsp;</p><p><strong style="font-weight:bold;">Now that I think about it (away from bot), I need to check:&nbsp; maybe I have the 5v Echo going straight into the GPIO.</strong></p><p>&nbsp;</p><p><strong style="font-weight:bold;"> I may have reversed the trigger and echo pin allocation. - If so, lucky I didn&#39;t fry my Pi!</strong></p><img src="https://community.element14.com/aggbug?PostID=21732&AppID=293&AppType=Weblog&ContentType=0" width="1" height="1">