not a kludge

awesome,book lamp,neat,not a kludge,user made
By BPerry2
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From BPerry2:

I was able to build this lamp for under $20 (US) The books cost $6, The Switch and fixture cost $7.50, and a few misc. items that was another $4.

Another successful book lamp from a dedicated user! That particular light bulb looks brilliant, a great addition to the build. If you missed the first one, here's what user Richard C made last week. Well done guys, let's keep them coming!

electricity,Hall of Fame,neat,not a kludge
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Instructables user hanlin_y did the math and realized that alkaline batteries are one of the most expensive forms of power that consumers can use. So he/she/it came up with a solution to power your parts even if they don't come with an AC adapter. With a wall plug, wires, and bamboo strips you can run your electronics off the grid; saving money and the environment at the same time.

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Steve Hoefer at Grathio labs shows off his Arduino based door opener, which responds to knocks on the door bye timing the gaps between the sounds. If the gap matches the programmed knock, it unlocks. Let's never use keys again!

Know a little bit about Arduino and care to make your own? Check out his Instructables post!

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