Author: Caleb Kraft

1567 Articles

Intro To Charlieplexing

December 3, 2008 by 4 Comments

charlie

[sixerdoodle] sent us this nice firefly project that serves as an intro to charlieplexing. We’ve mentioned charlieplexing before, in our LED Life post and the Breath Controlled LED candles post. This project is quite simple and focues mainly on how to make a charlieplexed circuit work.

The goal was to create a tiny firefly bottle with SMD LEDs and as few wires as possible. In the video, after the break, it is hard to tell just how small this thing is until we see the battery. There are clear directions and fantastic pictures detailing exactly how to set up a charlieplexed circuit with 6 LEDs.

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Sound Activated Christmas Lights

December 2, 2008 by 9 Comments

speaker_lights

Christmas is coming up pretty quickly. [tinkernut] shows us how to do a quick and dirty music activated Christmas light setup. Simply crack open a pair of old computer speakers and wire the speaker leads to a relay. Use that to power an outlet and you have music controlled lights. The section at the beginning of the video is a bit misleading as that kind of choreography would be rather difficult with this setup. This may look familiar as we mentioned an almost identical project back in 2006.

Stop Wasting Your Air Freshener

December 2, 2008 by 48 Comments

Airwick air fresheners come with an amazing feature. They spray air freshener every once in a while no matter what. It is extremely wasteful and obviously a marketing plan to force you to buy more. There is a solution though. You can hack them, to turn them back in to a manual release like they used to be.  Two cuts and two soldered wires is all that is necessary.

yes, we know you could just buy an aerosol, but many of us just come home and find them in our bathrooms since someone else in the house bought it. If you’ve already got it, why not hack it? This is also a great project for teaching beginners how to improve hardware.

[thanks Asmor]

Point Laser, Get Beer

December 2, 2008 by 14 Comments

[vimeo 777847]

Simply tag something with a laser and El-E will go get it for you. We know this is for the disabled, but we can’t help but think of how nice it would be to have around the house. The system is programmed to recognize the illumination from a green laser and is constructed to be able to reach things from the floor as well as tables and shelves. I wonder if they have programmed El-E to go get the laser for you if you leave it somewhere, kind of like when you leave the TV remote across the room.

[via Gearlog]

Turn Your Car Into A Hybrid

December 2, 2008 by 36 Comments

pousenhybrid6

Thanks to a Danish Engineer, you can turn pretty much any car into a hybrid. The addition is made in the form of a bolt on motor. As you can see in the picture, there is a motor that attaches to the rear wheels adding an additional 7 Hp. The batteries are stored in the trunk. Kits start at $3,500 and go up to $4,500 depending on battery selection. At least, that’s what they will be when they finally go on sale.

[via Boing Boing Gadgets]

Real Life Gears Of War Lancer For Zombie Fighting

December 1, 2008 by 56 Comments

zombie_saw

[SOC] posted this crazy real life Lancer, like those found in Gears of War, on the AR15.com forums. You are seeing it right, that is a chainsaw bayonet attached to his assault rifle. We thought these were pretty cool, but this thing actually works. It can be seen on an AR15, pictured above, as well as a giant shotgun. We think the shotgun one would be better fitting for zombie hordes. Barney Fife seems strangely fitting for this picture. Check out a video of it in action after the break.

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