<?xml-stylesheet type="text/xsl" href="https://community.element14.com/cfs-file/__key/system/syndication/rss.xsl" media="screen"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/" xmlns:wfw="http://wellformedweb.org/CommentAPI/"><channel><title>RoboBobLet#8 : The Final Assembly</title><link>/challenges-projects/project14/robots-with-wheels/b/blog/posts/roboboblet-8-the-final-assembly</link><description>The journey for RoboBobLet for the Robot with Wheels challenge has come to an end for me as there is no more time left. I added V53L0X laser rangefinder to the 3D printed front piece added to the front of the Pixy camera and connected everything to .</description><dc:language>en-US</dc:language><generator>Telligent Community 12</generator><item><title>RE: RoboBobLet#8 : The Final Assembly</title><link>https://community.element14.com/challenges-projects/project14/robots-with-wheels/b/blog/posts/roboboblet-8-the-final-assembly</link><pubDate>Fri, 11 May 2018 20:27:40 GMT</pubDate><guid isPermaLink="false">93d5dcb4-84c2-446f-b2cb-99731719e767:c93c7aeb-53c2-49dc-baba-0477189d1fe2</guid><dc:creator>mcb1</dc:creator><slash:comments>0</slash:comments><description>&lt;p&gt;Thanks for providing this.&lt;/p&gt;&lt;p&gt;You&amp;#39;ve also reminded me that I only a couple of days left ... best I get mine completed. &lt;span&gt;[View:/resized-image/__size/16x16/__key/commentfiles/f7d226abd59f475c9d224a79e3f0ec07-c93c7aeb-53c2-49dc-baba-0477189d1fe2/contentimage_5F00_938.png:16:16]&lt;/span&gt;&lt;/p&gt;&lt;p&gt;&amp;nbsp;&lt;/p&gt;&lt;p&gt;It&amp;#39;s always interesting developing something, as each step brings new challenges.&lt;/p&gt;&lt;p&gt;What you have done is try to understand each stage, and while there are some unanswered questions, you&amp;#39;ve identified these for later.&lt;/p&gt;&lt;p&gt;&amp;nbsp;&lt;/p&gt;&lt;p&gt;I&amp;#39;m curious if the camera or the Laser determine where you should aim?&lt;/p&gt;&lt;blockquote class="jive-quote"&gt;&lt;p&gt;Getting the Pixy camera to provide stable results was a challenge as it seems to take at least four consecutive sets of readings taken in quick succession before the image data would stabilise.&lt;/p&gt;&lt;/blockquote&gt;&lt;p&gt;This suggests that the camera needs more time than the laser to identify the target, which tends to make the Laser information important.&lt;/p&gt;&lt;p&gt;&amp;nbsp;&lt;/p&gt;&lt;p&gt;&amp;nbsp;&lt;/p&gt;&lt;p&gt;There is no mention about the power supply.&lt;/p&gt;&lt;p&gt;One of the things we constantly run across is issues whenever a motor is part of a project.&lt;/p&gt;&lt;p&gt;The solution is usually a rather large capacitor across the supply line.&lt;/p&gt;&lt;p&gt;&amp;nbsp;&lt;/p&gt;&lt;p&gt;Nano&amp;#39;s tend ot have very little onboard power supply filtering, and I suspect you&amp;#39;ll find the supply line is quite &amp;#39;noisy&amp;#39; (electrically).&lt;/p&gt;&lt;p&gt;This may account for spikes and other unexpected results.&lt;/p&gt;&lt;p&gt;&amp;nbsp;&lt;/p&gt;&lt;p&gt;&amp;nbsp;&lt;/p&gt;&lt;p&gt;&amp;nbsp;&lt;/p&gt;&lt;blockquote class="jive-quote"&gt;&lt;p&gt;Maybe I&amp;#39;ll do another design challenge sometime, but not straight away!&lt;/p&gt;&lt;/blockquote&gt;&lt;p&gt;&lt;span&gt;[View:/resized-image/__size/16x16/__key/commentfiles/f7d226abd59f475c9d224a79e3f0ec07-c93c7aeb-53c2-49dc-baba-0477189d1fe2/contentimage_5F00_4751.png:16:16]&lt;/span&gt;&amp;nbsp; Design Challenges are even more time consumming ...&lt;/p&gt;&lt;p&gt;&amp;nbsp;&lt;/p&gt;&lt;p&gt;&amp;nbsp;&lt;/p&gt;&lt;p&gt;Cheers&lt;/p&gt;&lt;p&gt;Mark&lt;/p&gt;&lt;img src="https://community.element14.com/aggbug?PostID=4796&amp;AppID=198&amp;AppType=Weblog&amp;ContentType=0" width="1" height="1"&gt;</description></item><item><title>RE: RoboBobLet#8 : The Final Assembly</title><link>https://community.element14.com/challenges-projects/project14/robots-with-wheels/b/blog/posts/roboboblet-8-the-final-assembly</link><pubDate>Fri, 11 May 2018 19:49:52 GMT</pubDate><guid isPermaLink="false">93d5dcb4-84c2-446f-b2cb-99731719e767:c93c7aeb-53c2-49dc-baba-0477189d1fe2</guid><dc:creator>three-phase</dc:creator><slash:comments>0</slash:comments><description>&lt;p&gt;This has been a good project to follow, well done for getting this far with it.&lt;/p&gt;&lt;p&gt;&amp;nbsp;&lt;/p&gt;&lt;p&gt;Kind regards&lt;/p&gt;&lt;img src="https://community.element14.com/aggbug?PostID=4796&amp;AppID=198&amp;AppType=Weblog&amp;ContentType=0" width="1" height="1"&gt;</description></item></channel></rss>