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Fan powered by a candle. It uses the Seebeck effect of a Peltier device.

Thermoelectric Fan Powered by a Candle

pc computer fan case cooling fan unit fan 8025 8cm with  LED lights  chassis fan  80 * 80 * 25

pc computer fan case cooling fan unit fan 8025 8cm with LED lights chassis fan 80 * 80 * 25

Desktop computer fans rejoice! Here are 7 ultra sleek setups that you will probably enjoy.

Desktop computer fans rejoice! Here are 7 ultra sleek setups that you will probably enjoy.

Super easy battery powerd computer fan

Super Easy Battery Powerd Computer Fan

This is a really easy thing to make out of a bunch of recycled stuff. I had a bunch of extra computer fans so i decided to get some use out of them. Take a look. Sorry if this is not original.

[ 30% OFF ] ALSEYE 2pieces 120mm fan PWM computer fan for cpu cooler 12v 4pin 500-2000RPM silicone quiet fan for computer case

[ 30% OFF ] ALSEYE 2pieces 120mm fan PWM computer fan for cpu cooler 12v 4pin 500-2000RPM silicone quiet fan for computer case

(*** http://BubbleCraze.org - Free family-friendly Android/iPhone game for all ages. ***)  Apple Computer: Evolution of Design ( Macintosh /Steve Jobs / Steve Wozniak / First Apple / Apple 1 / Apple 2 / Macintosh / iMac ( retro - intage computer - computer history )

(*** http://BubbleCraze.org - Free family-friendly Android/iPhone game for all ages. ***) Apple Computer: Evolution of Design ( Macintosh /Steve Jobs / Steve Wozniak / First Apple / Apple 1 / Apple 2 / Macintosh / iMac ( retro - intage computer - computer history )

This instructable will take you through the steps necessary to create your own temperature controlled fan using an old computer fan. The materials that you will need are listed below.1 x 12VDC computer Fan ($7.00 from Amazon)1 x 120V / 12.6 V Transformer ($5.49 from radio shack) 1 x Arduino Uno Microcontroller1 x NPN MOSFET (IRF520 Power MOSFET)1 x Arduino Temperature Sensor5 x Diode (found in unused electronics around the house)1 x Outlet Connector (found in old electronics) WireWire…

Temperature Controlled Fan

This instructable will take you through the steps necessary to create your own temperature controlled fan using an old computer fan. The materials that you will need are listed below.1 x 12VDC computer Fan ($7.00 from Amazon)1 x 120V / 12.6 V Transformer ($5.49 from radio shack) 1 x Arduino Uno Microcontroller1 x NPN MOSFET (IRF520 Power MOSFET)1 x Arduino Temperature Sensor5 x Diode (found in unused electronics around the house)1 x Outlet Connector (found in old electronics) WireWire…

LED Growing Lights by slashroot -- Homemade LED growing lights constructed from off-the-shelf LEDS, a computer fan, LED drivers, and an aluminum heatsink. http://www.homemadetools.net/homemade-led-growing-lights

LED Growing Lights by slashroot -- Homemade LED growing lights constructed from off-the-shelf LEDS, a computer fan, LED drivers, and an aluminum heatsink. http://www.homemadetools.net/homemade-led-growing-lights

20 Watt Do-it-Yourself Solar Energy Kit to install (or hire a solar/electrical contractor) on a budget. Site has different size solar packages (at varying prices) that include all the parts to build a system to solar power lights, radios, laptop computer, fan, charge cell phones, iPad, iPod GPS, etc. depending on budget & needs. Can start small & upgrade as needed. Also use your state's extension services for consultation (e.g. http://ncsc.ncsu.edu/index.php/services-2/design-assistance/)

20 Watt Economy Do-it-Yourself Solar Energy Kit

20 Watt Do-it-Yourself Solar Energy Kit to install (or hire a solar/electrical contractor) on a budget. Site has different size solar packages (at varying prices) that include all the parts to build a system to solar power lights, radios, laptop computer, fan, charge cell phones, iPad, iPod GPS, etc. depending on budget & needs. Can start small & upgrade as needed. Also use your state's extension services for consultation (e.g. http://ncsc.ncsu.edu/index.php/services-2/design-assistance/)

The Truth About Computer Fans

The Truth About Computer Fans

iPhone 5S bundle Includes 3 phone cases, new earbuds, car adapter, and computer fan (new) Accessories Phone Cases

iPhone 5S bundle

iPhone 5S bundle Includes 3 phone cases, new earbuds, car adapter, and computer fan (new) Accessories Phone Cases

Red Harbinger, a PC inside a desk. Dubbed the Cross, it comes with three screens and space for enough components to build two PCs inside. It also has room for 28 hard drives, 14 fans and four water cooling radiators.

Red Harbinger, a PC inside a desk. Dubbed the Cross, it comes with three screens and space for enough components to build two PCs inside. It also has room for 28 hard drives, 14 fans and four water cooling radiators.