Web controlled watering can
Here’s a watering can and water vortex that are controlled with a webkit browser interface. The interface displays a drawing of the watering can on your browser. If you grab one of the handles on the circle around the image and move it, the can will rotate as well. Okay, so this isn’t going to [...]

Laser cutter doubles as a 3D printer
[Bart] figured out how to use his laser cutter as a 3D printer. We’ve checked in on his open source laser cutter in the past and we’re happy to see he’s now done with the build. But rather than stop there he took it a step further. For less than $200 he built an extruder [...]

76 flaming trombones led the big parade
[Jonathan Crawford] is ready and willing to fire things up with his flaming trombone. A couple of years back his band teacher was going through the storage room triaging instruments. This trombone suffered from a bad case of red rot and would never function well again so [Jonathan] was able to get his hands on it [...]

RFID entry uses homemade electronic strike
[Fileark] built an RFID entry system that uses a pretty ingenious alternative to an electronic strike plate. An electronic strike is a rather expensive hinged plate that mounts in the door frame and catches the door latch. But this system opens a set of double doors. The door without the handle is fixed in place and has [...]

Password exploitation classes online
Irongeek.com is hosting an online class on password exploitation. The event was a fundraiser called ShoeCon, but they are hosting the entire series for everyone to share. Not only are the videos there, but you can download the powerpoint slides as well. There is a massive amount of information here on various topics like Hashcat, [...]

Revive a DockStar and get so much more
[Firestorm_v1] has done a fabulous writeup on not only resurrecting his dead DockStar with JTAG, but also includes some handy techniques and useful information that could be used with other hardware and JTAG equipped devices. The tutorial itself goes into the details of finding the JTAG, correctly identifying the ports and making an adapter cable. [...]

Easy quadrotor helicopter instructions
Here’s a great tutorial on building your own quadrotor helicopter. This build isn’t necessarily less expensive than others we’ve seen since quality motors, propellers, and control circuitry aren’t cheap. But the design and assembly is well documented and presents a well-planned building procedure. The carbon-fiber tubes that make up the frame have extensions to protect [...]

Location tracking with Twitter and Google maps
[Ryan O'Hara] built a location tracker he could use on motorcycle trips. Ostensibly this is to give his wife piece of mind be we think that was an excuse to play with GPS and SMS. To stand up to the trials of the road [Ryan] took his breadboarded prototype to the next level, using a [...]

Steroscopic rig requires only one camera
[courtervideo] shares an instructible with us on how to build a mirror rig to take stereoscopic pictures with one camera. We’ve had the thought “couldn’t you just do that with some mirrors?” when looking at a dual camera rig. Well, as we all suspected, you can. There are some advantages here, a single click gives [...]

Serial port controlled CPU fan
[Christian] was running a Linux box as a home server but needed a way to quiet the noisy machine. Like many Linux servers, he’s using some pretty old hardware which doesn’t have an on-board header for the CPU fan which generates much of the unwanted sound. Those headers are nice because software can monitor the [...]

Re-purpose industrial robotic arms
We must find out where you can acquire these industrial robots pictured above. Sure, you expect car companies like BMW to have a few lying around, which they used to make into a Twitter message writing robot. But Bungie, a video game company, to have one as part of an advertisement for Reach? The former [...]

BeagleBoard Cluster
What do you do after you make a BeagleBoard graphing calculator? [Matt] over at Liquidware Antipasto made a BeagleBoard Elastic R Cluster that fits in a briefcase. Ten BeagleBoards, are connected to each other though USB to ethernet adapters and a pair of ethernet switches connected to a wireless router. The cost for this cluster [...]

Face-slapping security gaff in stored-value cards
The laundry machines at [Hans Viksler's] apartment were converted over from coin operation to stored value cards. We’ve all dealt with these cards before and [Hans] thought it would be fun to do a little sniffing around at how this particular company implements them. We’ve covered how to read these cards and there have been [...]

Hacking Wing Commander for Windows 7 Compatibility
For everyone using  a later version of Windows like Vista or Windows 7 they will probably never get to enjoy the awesomeness that was Wing Commander…until now. [Jari Komppa] has managed to use DirectDraw to his advantage and hack out a solution to this disappointing problem.  He used DirectX to do this and has even managed to [...]

Projectile speed sensor
[Mike] built a sensor rig to measure projectile speed. The setup uses a tunnel with two sensors in it. Each consists of a laser diode on one side focused on a photodiode in the other. The two are monitored by an op amp and measured by an ATmega128 microcontroller. When the beams are broken the [...]

 

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