March 21, 2009

Desktop Energy Seed Lamp
DIY Hacks

5

  This Desktop Energy Seed Lamp is interesting. It uses old batteries as a power source. All of the batteries are put in parallel using two large metal plates and a jewel thief circuit (I prefer the rusty nail implementation though) is used to create the larger voltage needed to power the LED circuit. As long as the batteries all have about the same amount of charge left the circuit

Name the Thing Contest - 80
Contests

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The prize this week is a hard drive enclosure. This contest will run for one week (March 21 – 26, 2009) . Ending time is based on central standard time. To enter, identify the item pictured above and give an example of what can be done with it. The picture may look a bit obscure but it was in a featured project on the site so you would be able