Remote Camera Trigger Built From Air Freshener Parts

February 4, 2011 by 11 Comments

Remote camera trigger assembled front view

[jcopro] took a look at a Glade automatic air freshener he had sitting around and couldn’t help but open it up to determine how the mechanism worked.  After taking it apart, he found that the automated system was comprised of a 3v motor, a series of gears, and a mechanical arm.  When actuated, this arm simply pressed the spray nozzle of the air freshener canister contained within the device.  After some consideration, he decided that the components would make a great remote trigger for his Casio point and shoot camera.  He fabricated a small plywood rig including both the camera and air freshener components, which was able to be mounted on a tripod.  [jcporo] also mentions that the air freshener has the ability to be triggered by a built-in timer.  Although the presets are locked at 9, 18, and 36 minutes, he suggests that a 555 timer could easily be used to add some custom timing intervals when wired to the manual trigger.  Be sure to check out his video of the remote trigger in action.

Chrome In The Pwn2Own Contest

February 3, 2011 by 18 Comments

Google has announced that it will be sponsoring a $20,000 prize at the 2011 CanSecWest Pwn2Own Contest. $20,ooo will be given to the first person to escape Chrome’s sandbox through Google-written code in the first day. If researchers are unsuccessful on the first day, then days two and three will be opened up to non-Google-written code. In addition to the cash, there is also a Google CR-48 running ChromeOS offered as a prize, but it will not be the actual platform used to hack Chrome. We look forward to seeing what comes out of this contest.

[via GearLog]

ENIAC Was First, Right?

February 3, 2011 by 46 Comments

Well, no. Many of us who went to school and have degrees in various computer related fields instantly think of ENIAC as the first “computer”, but we’re all wrong. We know some of you are already familiar with the Atanasoff-Berry computer, and we are too… now. However, when we learned about it, it was long after our school lessons were over, and it felt like learning Santa wasn’t real, or the pilgrims didn’t really have a fancy dinner with the native Americans. [Jane Smiley] is releasing a book telling the whole story, and it should be fairly interesting. She gave an interview with Wired about the book. In the interview she talks about how fascinating the story is and even addresses [Alan Turing]’s role.

Harvesting Ultrasonic Sensors

February 3, 2011 by 25 Comments

With many modern cars coming equipped with an array of ultrasonic sensors mounted in the bumpers, it stands to reason that many junk yards have them too. [jimk3038] points out that, unless they’re crushed, they’re probably good. The list of features on these is pretty long, including being short proof, water proof,  EMF proof and fast. These tough little suckers can be used in a multitude of projects and can have a range of roughly 2 meters.  [jimk3038] documents in great detail how to use these things as well as offering some sample code to get you started. Why didn’t we think of this?

PID Controlled Smoker

February 3, 2011 by 14 Comments

[dafonso] purchased a nice 1500W smoker but was somewhat dismayed that it only had one cooking temperature. To compensate he designed his own PID control system which allows him to set the cooking temperature digitally. At the heart of the system is a PICAXE 18 micro which switches the smoker on and off using a solid state relay. Rather than testing the 110V system on the smoker itself (which would have been a pain indoors) he used a lamp instead. To see if he was getting the correct temperature he taped his thermocouple to the light bulb and let the PID switch the lamp on and off. Also be sure to checkout his video which does a good job of explaining how he was able to solder the surface mount components required for the control board.

Triggering A DSLR Shutter With An Audio Clip

February 3, 2011 by 20 Comments

Apparently Pentax DSLR cameras have a remote shutter option that used infrared signals. [Pies for you] gathered up several different hacks and built a method of triggering the camera using custom audio. He put together the dongle above, just a headphone extension cord and two IR LEDs, which plugs into the headphone jack of any audio device like an iPod or an Android phone. When you play back a file the audio signals drive the IR LEDs. This is completely worthless unless you craft your own audio file using the correct frequency, duty cycle, and bit encoding. [Pies for you] did just that and got things up and running. Looks like the system doesn’t do so well with MP3 compression, but take a look at the waveform analysis that he posted and then make sure you’re using a lossless format.

Internships: Have Fun While Working Toward A Career

February 3, 2011 by 5 Comments

Attention Students: Living your life with a devil-may-care attitude will soon come to an end… But while you’re at it, take the summer away from your normal school’s-out activities to hack together something cool while tricking family into thinking it’s good for the career.

That link will take you to Waterloo Labs’ announcement that they’re hiring four paid interns this summer. You’ll need a bucketful of hacking skills from mechanical, to electrical, to coding (or any combination thereof). If the name doesn’t strike a bell be warned; these guys and gals do things like riding the roof of remote-control cars, and playing video games with real armaments.

Is your company offering similarly radical internships? We’d love to connect some hardcore hackers with good summer homes. Send a tweet a to Mike (@szczys) so that we can post an internships follow-up with more opportunities.

[via Twitter]