Undead_Engineering

Instructables

• 

  Easy Fix for Broken Laptop Fan

  9 3.2K
• 

  Powerful Battery Fan

  28 2.1K
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  Phone and Tablet Battery Charger (cheap and Rechargeable)

  13 1.6K
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  Cheap Mobile Battery Wall Outlet

  29 3.8K
• 

  Fast Electric Circle Car for Cheap

  13 1.0K
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  Cheap Electric Boat

  14 1.9K
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  Free Powerful LED Flashlight

  14 1.6K
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  Free Rechargeable Flashlight From LEDs and Lithium Battery

  26 2.6K
• 

  Portable Arduino Prototyping Box

  14 3.1K
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  Cheap Electric Motor Speed Control ($10, 4HP, Arduino, PWM)

  70 9.8K
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  Indoor Electric Car (for Cheap Under $5)

  144 9.8K
• 

  Big Lithium Ion Battery Pack Made From Used Laptop Batteries (190+ Watt Hours)

  67 22K
• 

  Hurricane Survival With a Wind Turbine

  13 2.0K
• 

  Free Propeller Bike Mod Update

  10 4.3K
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  Free Electric Propeller Bike Mod

  124 36K
• 

  Super Powerful Battery Ducted Fan

  18 7.1K
• 

  Emergency Lamp for Less Than $1

  12 1.3K
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  Small Wind Turbine With LED

  51 10K
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  Free Drill Powered by a Laptop Battery

  14 5.9K
• 

  Under $10 Solar Box Cooker

  45 4.4K
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  Free Solar Box Cooker

  18 9.5K
• 

  Free Whiteboard Fridge to Do List

  9 2.0K
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  Free Battery Powered Fan With 20 Hour Life

  61 12K
• 

  Free Lithium Ion Battery Pack

  119 21K
• 

  40 Cent Razor Drawknife

  62 5.9K