<?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>Raspberry Pi enabled Christmas Lights</title><link>/products/raspberry-pi/raspberrypi_projects/b/blog/posts/raspberry-pi-enabled-christmas-lights</link><description>IntroductionThis was a fun project to try to make some flashing lights. Of course, it needed to be a bit more complex than that so a Raspberry Pi was used for Internet connectivity, and some analog circuitry was used to generate multiple PWM outputs.</description><dc:language>en-US</dc:language><generator>Telligent Community 12</generator><item><title>RE: Raspberry Pi enabled Christmas Lights</title><link>https://community.element14.com/products/raspberry-pi/raspberrypi_projects/b/blog/posts/raspberry-pi-enabled-christmas-lights</link><pubDate>Sun, 01 Jul 2018 05:22:23 GMT</pubDate><guid isPermaLink="false">93d5dcb4-84c2-446f-b2cb-99731719e767:0cfcf395-6ed0-4c90-b6d1-a3dde2698755</guid><dc:creator>thamizharasan</dc:creator><slash:comments>0</slash:comments><description>&lt;p&gt;Very Good Documentation...Thank for the sharing efforts.&lt;/p&gt;&lt;img src="https://community.element14.com/aggbug?PostID=16882&amp;AppID=84&amp;AppType=Weblog&amp;ContentType=0" width="1" height="1"&gt;</description></item><item><title>RE: Raspberry Pi enabled Christmas Lights</title><link>https://community.element14.com/products/raspberry-pi/raspberrypi_projects/b/blog/posts/raspberry-pi-enabled-christmas-lights</link><pubDate>Sun, 24 Jul 2016 21:58:39 GMT</pubDate><guid isPermaLink="false">93d5dcb4-84c2-446f-b2cb-99731719e767:0cfcf395-6ed0-4c90-b6d1-a3dde2698755</guid><dc:creator>cweber15</dc:creator><slash:comments>1</slash:comments><description>&lt;p&gt;Hi,&lt;/p&gt;&lt;p&gt;I built the DAC part and try to get it to work. When I do sudo ./dac 0 255, the voltage on Pin 12 stays at 0V. I checked the connections, measured the supply, the reference voltage and it&amp;#39;s all there where it should be. My guess is that the 3.3V GPIO signals from the Pi are too low for the DAC serial interface. The data sheet says that the minimum high-level input voltage is 0.8xVdd. This would be 4V. Did you power the DAC from 3.3V or 5V?&lt;/p&gt;&lt;p&gt;Chris.&lt;/p&gt;&lt;img src="https://community.element14.com/aggbug?PostID=16882&amp;AppID=84&amp;AppType=Weblog&amp;ContentType=0" width="1" height="1"&gt;</description></item><item><title>RE: Raspberry Pi enabled Christmas Lights</title><link>https://community.element14.com/products/raspberry-pi/raspberrypi_projects/b/blog/posts/raspberry-pi-enabled-christmas-lights</link><pubDate>Sun, 28 Dec 2014 12:56:34 GMT</pubDate><guid isPermaLink="false">93d5dcb4-84c2-446f-b2cb-99731719e767:0cfcf395-6ed0-4c90-b6d1-a3dde2698755</guid><dc:creator>clem57</dc:creator><slash:comments>1</slash:comments><description>&lt;p&gt;Can an NE555P be used instead of a LM555?&lt;/p&gt;&lt;p&gt;&amp;nbsp;&lt;/p&gt;&lt;p&gt;Clem &lt;/p&gt;&lt;img src="https://community.element14.com/aggbug?PostID=16882&amp;AppID=84&amp;AppType=Weblog&amp;ContentType=0" width="1" height="1"&gt;</description></item><item><title>RE: Raspberry Pi enabled Christmas Lights</title><link>https://community.element14.com/products/raspberry-pi/raspberrypi_projects/b/blog/posts/raspberry-pi-enabled-christmas-lights</link><pubDate>Thu, 09 Jan 2014 20:19:15 GMT</pubDate><guid isPermaLink="false">93d5dcb4-84c2-446f-b2cb-99731719e767:0cfcf395-6ed0-4c90-b6d1-a3dde2698755</guid><dc:creator>chrisclement</dc:creator><slash:comments>1</slash:comments><description>&lt;p&gt;A lot of cool stuff here from the hardware PWM to the javascripted web page! Mucho kudos!&lt;/p&gt;&lt;img src="https://community.element14.com/aggbug?PostID=16882&amp;AppID=84&amp;AppType=Weblog&amp;ContentType=0" width="1" height="1"&gt;</description></item><item><title>RE: Raspberry Pi enabled Christmas Lights</title><link>https://community.element14.com/products/raspberry-pi/raspberrypi_projects/b/blog/posts/raspberry-pi-enabled-christmas-lights</link><pubDate>Mon, 16 Dec 2013 12:15:33 GMT</pubDate><guid isPermaLink="false">93d5dcb4-84c2-446f-b2cb-99731719e767:0cfcf395-6ed0-4c90-b6d1-a3dde2698755</guid><dc:creator>Former Member</dc:creator><slash:comments>1</slash:comments><description>&lt;p&gt;Hello! This is an amazing project and i would really like to know how much time did it take you (in days) if i can make this till christmas it would be great... &lt;span&gt;[View:/resized-image/__size/16x16/__key/commentfiles/f7d226abd59f475c9d224a79e3f0ec07-0cfcf395-6ed0-4c90-b6d1-a3dde2698755/contentimage_5F00_2516.png:16:16]&lt;/span&gt;&lt;/p&gt;&lt;img src="https://community.element14.com/aggbug?PostID=16882&amp;AppID=84&amp;AppType=Weblog&amp;ContentType=0" width="1" height="1"&gt;</description></item><item><title>RE: Raspberry Pi enabled Christmas Lights</title><link>https://community.element14.com/products/raspberry-pi/raspberrypi_projects/b/blog/posts/raspberry-pi-enabled-christmas-lights</link><pubDate>Fri, 13 Dec 2013 23:21:22 GMT</pubDate><guid isPermaLink="false">93d5dcb4-84c2-446f-b2cb-99731719e767:0cfcf395-6ed0-4c90-b6d1-a3dde2698755</guid><dc:creator>fustini</dc:creator><slash:comments>2</slash:comments><description>&lt;p&gt;Thanks for sharing - great project and excellent documentation!&lt;/p&gt;&lt;img src="https://community.element14.com/aggbug?PostID=16882&amp;AppID=84&amp;AppType=Weblog&amp;ContentType=0" width="1" height="1"&gt;</description></item></channel></rss>