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46 items tagged "gps"
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15:41
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Hack a Day
Talk about versatile hardware. These inexpensive TV tuner dongles can also grab GPS data. You may remember seeing this same hardware used as a $20 option for software defined radio. But [Michele Bavaro] decided to see what other tricks they could pull off. Would it surprise you that he can get location data accurate to [...]
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5:01
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Hack a Day
Depending on how you view them, red light cameras are a great way to get people to drive carefully, or an utter nuisance. We agree with the latter opinion, as does [Dave], so he built a handy little device that alerts him when he’s about to approach one of these intersections. His Red Light Camera [...]
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13:36
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Hack a Day
[Troy] recently got his hands on a greengoose starter kit and like any HAD reader would do, proceeded to probe it mercilessly. The greengoose appears to be some sort of location-tracking device which reports back to a server on the position and location of radio transmitters relative to it. [Troy] managed to not only get [...]
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12:01
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Hack a Day
Here’s a talking reverse geocache puzzle box which [Erv Plecter] built as a wedding gift for his friends. The box itself isn’t really the gift, but a surprise delivery system for a collection of cash from the couple’s circle of friends to go toward the honeymoon. We think this is about fifty times more fun that getting [...]
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7:01
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Hack a Day
[Ranger Bob] crafted this great looking Reverse Geocache box. Our favorite feature is the black piece of acrylic on top. It’s laser cut (not sure if the letters are engraved or not) and gives a great finished look while hiding a couple of things at the same time. The orange box is a metal cash [...]
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11:01
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Hack a Day
[Willem] has a friend that wanted to take a GPS datalogger up an unclimbed mountain the wilds of Kyrgyzstan. The GPS logger built for the expedition made it to the summit of Eggmendueluek, but it didn’t work the whole way up. Since the logger came back to London, [Willem] was able to do a complete [...]
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10:01
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Hack a Day
[Buxtronix] wanted to know where his cat (named Ash, but we thought Socks sounded much more cliché) was going when on the loose. He designed a GPS tracking collar and a way to map the data it collects. The hardware actually turns out to be very simple. He needed a GPS module to gather location [...]
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9:01
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Hack a Day
GPS receivers may be available for well under $100 these days, but what’s the fun in buying one when you can build it yourself? According to [Andrew], the creator of this device, he was inspired by Matjaž Vidmar who developed a GPS receiver from scratch over 20 years ago. His article can be found here [...]
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10:11
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Hack a Day
[Davy] and his friend [Chris] were tasked with putting together a bachelor party for their friend [J], and had a little more in mind than the standard drunken revelry. To earn the privilege of partying his brains out, they decided that [J] would have to fulfill a series of tasks and challenges before joining up [...]
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14:28
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Hack a Day
The team at Eschelle Inconnue wanted to “trace a sound cartography of Islam” in Marseilles, France, so they came up with a clever little GPS walking tour powered by an Arduino, MP3 playback module, and a surface transducer speaker. The team used a Processing app to define geographic areas where each MP3 file would play. [...]
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13:48
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Hack a Day
[Janis] has an outdoor cat that likes to roam all over the neighborhood. He was curious to see what he was up to all day, so he decided to build a small cat cam to document the feline’s comings and goings. After the cat returned one evening with a snail riding along on his back, [...]
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14:46
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Hack a Day
Hackaday forum member [nes] was training for an endurance race, and rather than having someone verbally call out his lap times, he wanted something he could keep in-vehicle to help keep track of his performance. With the race budget running dry, he and his teammates needed something cheap, if not free, to get the job [...]
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4:05
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Hack a Day
Open Electronics just released a neat little board that can place you on a map without using GPS. The board works on the basic principles of a cellphone network – the ‘cell’ network is a series of towers that are placed more or less equidistant to each other. Save for the most desolate parts of [...]
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14:02
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Hack a Day
While some people can rely solely on memory and landmarks to find their way home, others need a bit more help. Consider Instructables user [_macke_] for instance. Like other screenless GPS navigation devices we have seen, his “Find Home Detector” uses a GPS module to obtain his location, guiding the way home via a set [...]
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5:06
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Hack a Day
The hackers over at the xda-developers forum always seem to have something awesome brewing, and [fosser2] is no exception. He bought himself a Viewsonic G-tablet, but was a bit disappointed in its lack of a GPS module. He pried the tablet open in hopes of finding a spot where he might be able to cram [...]
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14:01
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Hack a Day
[ifixit] has apparently grown tired of tearing apart Apple’s latest gizmos, and their latest display of un-engineering has a decidedly more federal flair. You may have heard about Yasir Afifi’s discovery of a FBI-installed tracking device on his car back in October of last year. Apparently, the feds abandoned a similar device with activist Kathy [...]
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6:45
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Hack a Day
The latest project from Lucidscience.com is a simple AVR based GPS tracker. As usual, the instructions here are quite in-depth including schematics and step by step procedures all the way down to modifying cables when necessary. What we found interesting is that the GPS module he’s using is so simple. It only requires 3 wires, one for [...]
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5:01
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Hack a Day
Hackaday reader [Paul] recently shared a simple hack he put together via our Flickr photostream. It seems that his Magellan GPS unit is pretty finicky when it comes to power supplies. When connected to the Magellan adapter, the GPS unit charged as you would expect. When connected to a PC, it sensed the connection and [...]
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6:12
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Hack a Day
[jayesh] wasn’t actually trying to solve any clever problems when we built his homebrew GPS tracker. He just had the hacker mentality and wanted to build something fun and useful while geeking out with electronics and software. On the hardware side, he started with an Arduino, then added a GPS module for location detection and [...]
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14:01
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Hack a Day
The world can be a pretty difficult place to navigate when you lack the ability to see it. There are many visually impaired people across the globe, with some figures claiming up to 40 million individuals affected. While walking canes and seeing-eye dogs can be a huge help, [Anirudh] of Multimodal Interactions Group, HP Labs [...]
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11:01
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Hack a Day
[Oneironaut] is trying out a new GPS module with the prototype seen above. It’s a San Jose Navigation device identified as FV-M8 and sold by Sparkfun for just under a hundred bucks. That’s it hanging off the bottom-right of the breadboard seen above. They’ve packed a lot of power into the small footprint, and made [...]
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11:01
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Hack a Day
When [Roberto] bought his Mini Cooper, he opted to forgo the factory GPS system as it was over priced and didn’t have the best of reputations. He decided that he still needed GPS in his car, so he committed himself to install a TomTom unit in a way that would not detract from the car’s [...]
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11:01
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Hack a Day
Instructables user [jorgegunn] has put a unique spin on a recent geocache build by incorporating speech recognition and requiring that the “finder” knows the secret password to access the loot contained within. Although we won’t spoil the fun here, the techie spirit of the build was further bolstered by choosing a password fitting for any [...]
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8:10
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Hack a Day
If you use the Google Maps Mobile function then the big G knows where you are even if your phone doesn’t have a GPS module in it. So the next time you want geolocation capabilities in a project consider building around GSM functionality which can also be used for Internet connectivity. That’s exactly what this module does [...]
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14:00
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Hack a Day
Launching model rockets is a good time, but more often than not, it’s hard to tell how high the rocket went or how fast it moved – both essential facts when bragging about your latest flight. [Chris] recently built a GPS-based altimeter for the USC Rocket Propulsion Lab, so that they could track the performance [...]
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13:02
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Hack a Day
[Erv Plecter] likes to recreate movie props that actually work. This time around he’s making the motion detector device from the original Alien movie. You’ll immediately remember this prop after seeing and hearing it in the video after the break. For our money, the most brilliant part of that movie was the use of rhythmic sounds [...]
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6:06
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Hack a Day
Only a little bit out of season but better late than never! [Scott] brings us his Black Rock City Navigator. This unique bike mounted GPS device made for Burning Man 2010 features a servo driven array of LEDs. Two LED strips are used to cover the full 240 degrees of the C shaped city without [...]
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8:06
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Hack a Day
[Jeroen's] student project is a module that uses GPS tracking to create travel data on Google maps. It’s not really a spy device as the data isn’t transmitted, but would be a lot of fun to use on cycling and hiking adventures. A PIC 18F2550 reads location and altitude data from a GPS receiver as [...]
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11:00
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Hack a Day
Here is yet another offering in the Reverse Geocache puzzle arena. We’ve been getting a lot of tips about these projects but this one in particular stuck out from the others. [Mure] packed in a bunch of features, starting with the LCD screen seen above. You can just make out the single red button near [...]
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10:13
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Hack a Day
This is the reverse geocache box that [William Dillon] built as a Christmas gift this year. He started with an interestingly shaped wooden box from the craft store. The clasp to keep it shut uses a servo motor on the lid with a wooden arm that grasps a screw on the base. As with the [...]
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14:29
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Wirevolution
For now, all White Spaces devices will use a geolocation database to avoid interfering with licensed spectrum users. The latest FCC Memorandum and Order on TV White Spaces says that it is still OK to have a device that uses spectrum sensing only (one that doesn’t consult a geolocation database for licensed spectrum users), but to get certified for sensing only, a device will have to satisfy the FCC’s Office of Engineering and Technology, then be approved by the Commissioners on a case-by-case basis.
So all the devices for the foreseeable future are going to use a geolocation database. But they will have spectrum-sensing capabilities too, in order to select the cleanest channel from the list of available channels provided by the database.
Fixed devices (access points) will normally have a wired Internet connection. Once a fixed device has figured out where it is, it can query the database over the Internet for a list of available channels. Then it can advertise itself on those channels.
Mobile devices (phones, laptops etc.) will normally have non-whitespace connections to the Internet too, for example Wi-Fi or cellular data. These devices can know where they are by GPS or some other location technology, and query the geolocation database over their non-whitespace connection. If a mobile device doesn’t have non-whitespace Internet connectivity, it can sit and wait until it senses a beacon from a fixed whitespace device, then query the geolocation database over the whitespace connection. There is a slight chance at this point that the mobile device is using a licensed frequency inside the licensee’s protected contour. This chance is mitigated because the contour includes a buffer zone, so a mobile device inside a protected contour should be beyond the range of any whitespace devices outside that contour. The interference will also be very brief, since when it gets the response from the database it will instantly switch to another channel.
Nine companies have proposed themselves as geolocation database providers. Here they are, linked to the proposals they filed with the FCC:
Here’s an example of what a protected contour looks like. Here’s an example database. Note that this database is not accurate yet.
Actually, a geolocation database is overkill for most cases. The bulk of the information is just a reformatting of data the FCC already publishes online; it’s only 37 megabytes compressed. It could be kept in the phone since it doesn’t change much; it is updated weekly.
The proposed database will be useful for those rare events where the number of wireless microphones needed is so large that it won’t fit into the spectrum reserved for microphones, though in this case spectrum sensing would probably suffice. In other words, the geolocation database is a heavyweight solution to a lightweight problem.
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10:00
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Hack a Day
[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 [...]
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6:15
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Hack a Day
Our favorite Soviet-Era display that found its way into a present-day kit now displays time from orbiting satellites. A GPS module patched into an Ice Tube Clock with modified firmware will be able to provide a satellite-synced time. The firmware, modified by yours truly, parses the GPS module’s NMEA RMC sentences for the time and [...]
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7:07
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Hack a Day
We’re all for putting a GPS where it doesn’t normally go, but we’re not sure [Roberto's] version* is the best of locations. Take for example [Jair2k4's] GPS. It doesn’t block out 50% of his vision of the road and the impending accident in front of him.
Regardless, the solid aluminum and seamless mounting really does make [...]
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7:27
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Hack a Day
[Michael] designed this display board to mimic the appearance of a police car pulling you over. It resides in the rear window of his car (facing forward) as the controller board measures the speed of the vehicle. An Arduino grabs NMEA data from a GPS module and compares it with a table of speed limits. [...]
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14:00
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Hack a Day
[Sparky] notified us of his hack to allow interaction with the core of an Aldi GO Cruise 4300 GPS Windows CE OS. All that’s required is a few programs and registry edits to the GPS, which anyone can accomplish within a few minutes. But we suggest you go slow and double-check your work; nobody wants [...]
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13:05
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remote-exploit & backtrack
Hi All... before.. i'm sorry if this thread is not in place.. :)
This my first thread..
Hi.. I would ask.. How to mapping wireless using modem sierra 881U with GPS ?
Thanks...
Yours
Semiotics Code
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10:35
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Hack a Day
Quad copters have been pretty popular for the last few years, but this one is new to us. Take the same basic layout, but bump it to 6 rotors. Then you’ll have the hexacopter (google translated). With 6 rotors, built in GPS and stabilization and a camera mounted on the bottom, this thing is pretty [...]
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21:13
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SecDocs
Authors:
L. Aaron Kaplan Tags:
GPS locating Event:
Chaos Communication Congress 26th (26C3) 2009 Abstract: For a long time we warned of the perils of full scale, permanent tracking of persons by the state or corporations. Cell phones, data retention laws and other surveillance techniques close the freedoms of the net. But none can be as pervasive as the permanent location updates sent to Apple and Google via your Smartphone and laptop. With a precision of 10 m to 20 m, BSSID based location tracking has become the ultimative and global tracking of persons. This talk will describe weaknesses and trends in current location tracking methods. The internet learned to locate you in 2009! Skyhook Wireless is a small company focusing on providing high quality location based services to the world. To quote from their webpage: "Skyhook Wireless' XPS is the world's first true hybrid positioning system. Combining the unique benefits of GPS, Cell Tower triangulation and Wi-Fi Positioning, mobile consumers no longer have to wait minutes for a response or cope with inaccurate location." Customers include Apple (iPhone, Snow Leopard uses Skyhook Wireless) and Google. While most people don't realize it, the BSSIDs that their Smartphone "hears" gets transmitted to a single company in Boston, Mass. The cell phone tower identifier gets transmitted and if anything fails, they will revert to simple IP Geolocation DBs. The talk will focus on a few techniques for assigning GPS positions to you and tries to estimate trends and implications for society, law and law enforcement issues.
1337day (was: Inj3ct0r, 1337db)
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