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<div style="padding: 4px; background-color: #c3d9ff;"><h3 style="margin:0px 3px;font-family:sans-serif">Sent to you by Cassisi via Google Reader:</h3></div>
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<div style="font-family:sans-serif;overflow:auto;width:100%;margin: 0px 10px"><h2 style="margin: 0.25em 0 0 0"><div class=""><a href="http://blog.makezine.com/archive/2010/07/reading_a_pc_fan_speed_with_arduino.html">Reading a PC fan speed with Arduino</a></div></h2>
<div style="margin-bottom: 0.5em">via <a href="http://blog.makezine.com/" class="f">MAKE Magazine</a> by Matt Mets on 7/29/10</div><br style="display:none">
<p><span style="display:inline"><img alt="diy_fan_speed_display.jpg" src="http://blog.makezine.com/diy_fan_speed_display.jpg" width="600" height="400"></span></p>
<p><span style="display:inline"><img alt="diy_fan_speed_display_schematic.jpg" src="http://blog.makezine.com/diy_fan_speed_display_schematic.jpg" width="600" height="500"></span></p>
<p>Spotted in the <a href="http://www.flickr.com/groups/make/pool/">MAKE Flickr pool</a>:</p>
<p>Flick user Arms22 built this <a href="http://www.flickr.com/photos/arms22/4824819985/in/pool-69453349@N00">7 Segment LED FAN Revolution Display</a> to monitor the speed of a PC case fan. It's a pretty simple project, but a good introduction to sensing pulse durations and driving multiple seven segment displays. The <a href="http://arms22.blog91.fc2.com/blog-entry-365.html">write-up</a> is in Japanese, or you can find a <a href="http://translate.google.com/translate?js=y&prev=_t&hl=en&ie=UTF-8&layout=1&eotf=1&u=http%3A%2F%2Farms22.blog91.fc2.com%2Fblog-entry-365.html&sl=ja&tl=en">machine translated version here</a>.</p>
<a href="http://blog.makezine.com/archive/2010/07/reading_a_pc_fan_speed_with_arduino.html">Read the Full Story »</a> | <a href="http://makezine.com">More on MAKE »</a> | <a href="http://blog.makezine.com/archive/2010/07/reading_a_pc_fan_speed_with_arduino.html#comments">Comments »</a> |
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