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Hi I want to create a 4 to 5 inch long bar of light. What I mean by light-bar is a piece of plastic that is illuminated by an LED on one side and it distributes the light over some shape. I figure generic shapes are available somewhere but I have not found anything. I see these built into...

Hi all, I am thinking about making a sensor that will tell me if the intake fan filters are getting clogged. Seems like it would be easy by sensing the amount of light that passes through. An LED and a photo transistor to turn on a red LED if the filter is getting clogged, probably have a...

So I have this idea, wondered if anyone has tried it yet. There is a USB Beverage Cooler for about 30 bucks available at many of the parts places we frequent. Example link: http://www.jab-tech.com/USB-Beverage-Chiller-pr-3280.html This is basically a peltier that cools the surface...

My Reservoir is working exactly backwards. Meaning that instead of being a place where air is trapped, it is completely filling with fluid and all of the air in the system is being trapped somewhere else - presumably the radiator. This is one of those Alphacool vertical tube external...

Here's a worklog for my first water cooled project. Goals: Replace my dull and uninteresting PC case with “the last chassis I’ll ever buy”. I wanted something large, configurable and mod-able. Water cool the CPU – just for sport. Overclock an AMD Athlon X2 4200 (2.2 GHz) to 2.8 -3.0...