Undead_Engineering

Instructables

• 

  Easy Fix for Broken Laptop Fan

  9 2.9K
• 

  Powerful Battery Fan

  28 2.0K
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  Phone and Tablet Battery Charger (cheap and Rechargeable)

  13 1.5K
• 

  Cheap Mobile Battery Wall Outlet

  28 3.5K
• 

  Fast Electric Circle Car for Cheap

  12 995
• 

  Cheap Electric Boat

  14 1.7K
• 

  Free Powerful LED Flashlight

  14 1.5K
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  Free Rechargeable Flashlight From LEDs and Lithium Battery

  26 2.5K
• 

  Portable Arduino Prototyping Box

  14 2.9K
• 

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

  70 9.5K
• 

  Indoor Electric Car (for Cheap Under $5)

  144 9.8K
• 

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

  66 22K
• 

  Hurricane Survival With a Wind Turbine

  13 1.9K
• 

  Free Propeller Bike Mod Update

  10 4.1K
• 

  Free Electric Propeller Bike Mod

  124 36K
• 

  Super Powerful Battery Ducted Fan

  18 6.8K
• 

  Emergency Lamp for Less Than $1

  12 1.3K
• 

  Small Wind Turbine With LED

  51 9.8K
• 

  Free Drill Powered by a Laptop Battery

  14 5.7K
• 

  Under $10 Solar Box Cooker

  45 4.3K
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  Free Solar Box Cooker

  18 9.4K
• 

  Free Whiteboard Fridge to Do List

  9 2.0K
• 

  Free Battery Powered Fan With 20 Hour Life

  60 10K
• 

  Free Lithium Ion Battery Pack

  118 21K
• 

  40 Cent Razor Drawknife

  62 5.8K