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GPS Archive: GPS

November 5, 2009

Nonexistent town in Google maps

Interesting article in the Telegraph about "Argleton," a town that appears in Google maps but does not, apparently, exist in the real world. The best theory I've heard is that the town is a "trap" intended to catch those who steal map data. [Thanks, Glen!]

October 19, 2009

GPS-enabled puzzle box opens only at Île-de-Bréhat, France

The first presenter at last Thursday's Dorkbot Austin was a gentleman named Mikal Hart, who described his "Reverse Geocaching Puzzle." Designed and built as a wedding gift for an old friend moving to France, the box incorporates an Arduino with a custom shield. A prominent button on the lid, when pressed, returns a distance, in kilometers, on the LCD display (if a GPS signal can be acquired), and counts button-presses up to 50 attempts. No directional information is provided, so the box must be moved about in order to triangulate the location it wants. Mikal also included a cunningly-disguised back door to allow it to be opened in the event of battery failures or bugs.

October 1, 2009

My people call them maize mazes

Cool post over on Hack-A-Day about corn maze entrepreneur Scott Skelly, shown above with his trusty GPS-enabled riding lawn mower. Scott explains his maize-maze-making process thusly:

A maze starts as nothing more than a large field of corn. The design is created using a computer, then translated into GPS coordinates by fitting it into a field whose outline coordinates were previously captured on foot. Once the field coordinates are reconciled with the map design the data is used in one of two ways; the routes can be made by tilling under a path when the corn is very young, or more commonly it is cut lawn-mower-style when the corn is anywhere from knee-high to full grown. This corn-meets-satellite hack makes for a whole lot of fun!

September 30, 2009

DIY Street View camera

As part of a course at the United States Military Academy at West Point, maker Roy D. Ragsdale developed a prototype Street View-like camera using a laptop, $300 in off-the-shelf components, and open source software. A Python script captures eight 1280x1024px JPEG files that are then stitched together and uploaded to Google Earth.

Construction was straightforward. On a flat octagonal heavy-cardboard base, I glued small posts for the cameras' clips to latch onto. I aligned each unit and then placed the USB hubs and the GPS receiver in the middle. I secured the cables with Velcro and sandwiched everything with another piece of cardboard. The whole thing's the size of a small pizza box, weighing less than 1 kilogram. Excluding the notebook (a 2-gigahertz machine with 512 megabytes of RAM running Ubuntu Linux), the hardware cost about $300.

[thanks, Erico]

September 25, 2009

Layar AR goes 3D

Layar, the augmented reality app for the Android platform will be incorporating 3D capabilities into the application in November. They've released a tech preview this week for PICNIC '09 in Amsterdam. The preview, which is available from the Android Market (and only works with-in and around the PICNIC festival) is a significant improvement over flat pins on a map and hopefully encourages people to further investigate the use of augmented reality.

[via androidworld.nl]

September 4, 2009

GPS beatmapping

Face Removal Services brings us the GPS Beatmap -

Looping musical phrases are represented on a map as overlapping circular territories. As the vehicle approaches the center of a circle, the volume increases. In areas of the map where territories overlap the vehicle generates dynamic mixes of the overlapping musical phrases. By exploring a very large map of many overlapping territories the Beatmap creates complex, dynamic mash-ups.

The map can be explored on foot, by plane, boat, train, or automobile. In this footage the map is explored by car on the Bonneville Salt Flats, allowing the user to freely accelerate, swerve, and slam to a stop for optimum musical control of the instrument.

A bit more description available on their site. [via CDM]

August 14, 2009

Nokia N97 GPS antenna hack

Some N97 owners find the integrated GPS doesn't perform as well as they'd like, so they've taken it upon themselves to render a proper fix. Using a copper wire attached to the existing antenna, Symbian Freak contributors Bruno and Teo have greatly improved their signal strength and can go about geocaching with fewer dropped signals.

[via Symbian Freak]

August 12, 2009

Flashback: Solar-powered bike GPS

"During the summertime, I'll disappear for hours on long rides to nowhere and back. But I have to admit on some rides I've gotten so lost I have trouble finding my way home. Happily I was able to build a solar-powered GPS mapping machine, mostly from old computer parts and software I had sitting around my office." Author Brian Nadel's words in the introduction to his DIY Outdoors piece, "Solar-Powered Bike GPS," from the pages of MAKE Volume 10, are further testament to the fact that necessity is the mother of invention. Brian's homespun bike GPS cost him next to nothing to make because he had most of the parts on hand already (ah, the endless parts bin for that maybe-someday project do come in handy). He estimates the project would run about $150 total by combing through eBay and closeout retailers. Naturally, with the abundant varieties of bike, PDA, GPS receiver, and solar panel, you likely have to improvise for your personal combo but seeing how Brian set his up is the insight you need.

Here is the full article in our Digital Edition. No better time than a sunny summer day to get crackin on this project.

You can still pick up a back issue of MAKE Volume 10 in the Maker Shed.

June 12, 2009

Record-vying transatlantic robot submarine at sea

The Scarlet Knight, named for sponsoring Rutgers University's mascot, is a cruise-missile-shaped autonomous ROV that was launched off the New Jersey coastline on April 27. If all goes according to plan, the Rutgers team will recover it off the westernmost coast of Spain right around Christmas day. That happy event would mark the first successful underwater crossing of the Atlantic by an unmanned vehicle. At the mission website, you can track the robot's position using Google Earth, monitor her battery status, and follow the team's navigation blog.

May 1, 2009

GPS on iPod nano

Using a GPS reference board and an Atmel ATMEGA324 microcontroller, engineer Bengamin Kokes has created a prototype GPS peripheral for his iPod nano. To display coordinates, the device uses Advanced iPod Remote commands to send a 4-color image to the iPod screen, a technique Kokes picked up after seeing it implemented in an Alpine car stereo.

iPod GPS [via Hack a Day]

April 15, 2009

Sparkfun Autonomous Vehicle Competition

Sixteen teams gathered today to determine whose autonomously-navigating vehicle would be the fastest around the Sparkfun headquarters in Boulder, CO.

Four-wheeled rovers (typically built on RC car platforms) dominated the entries, but there were three flying UAVs, and one spheroid (Nathan, with "labrat", pictured at right). One team had been designed a tethered model rocket to fly the course, but, unfortunately, didn't compete.

The race was structured as 3 heats. Each vehicle got 5 minutes to attempt a run; best time overall won the competition.

The first heat got off to a rough start. Only about half of the robots made it to the first corner of the building, and only the Mookie Mobile Death Pod 3000 made it around the whole course.

A slight wind from the West seemed to be affecting the DIY Drones's ability to precisely line up with the course route. It completed many test runs very well, but its first two official runs were disqualified for slightly cutting the corner of the course. The plane also found itself in multiple trees. The Boulder Fire Department was kind enough to help out with one, and other was low enough to get by hand.

The ground-based vehicles had other obstacles to deal with, including curbs, and people who foolishly think that curbs are a safe place to stand.

After nearly hitting its creator, Ohcraptheresalake! (who later went on to discover the creek) goes after innocent bystanders:
Entrants used the time between heats to tweak their robots according to the lessons learned from the previous run. Death Pod 3000, the only robot to complete the course in the first heat, solidified its lead in the second by lowering its time to 1:28.

In the end, though, the DIY Drones team scored a stunning success with their final try, with Chris Anderson's UAV completing the course in 36 seconds to win the tile!

The competition is over! Diy drones is 1st, with deathpod3000 taking the Engineers Choice award. Thanks for following!!! See you next year!

Jordi launches the DIY Drones UAV:
This robot used sparklers to avoid collisions with pedestrians:
All set on the starting line:

More:

Sparkfun's coverage
Sparkfun's twitter feed, with reports and pictures.
Competition page
Chris Anderson's DIY Drones Blog

April 4, 2009

TouchTable map

This is a neat Touchable map via Wired Science. I wonder if Apple has a patent on the multitouch for non-portable applications.

He says it was designed for kids to learn geography, but it appears that the Department of Education was not paying the bill. It's kind of like the interactive LED table from EMS, but way more expensive and militaristic.

February 13, 2009

Lamps made from slides and film

Artist and MAKE subscriber Michael Marcovici sent us the link to these amazing lamps he made out of mounted slides and reels of film. While you're at his site, check out his other amazing work.

Lights

GPS mapping meetup in NYC - 2/21 & 2/22

There's an OpenStreetMaps group mapping going down in Manhattan next weekend, no prior GPS-ing required -

OpenStreetMap is only as good as the contributions of the people who edit it. To encourage and help people to edit, experienced mappers run Mapping Parties. The public is invited to them. Often the organiser has GPS receivers to loan out. The attendees receive instruction in the use of the GPS receiver. The simplest way to record information is to take waypoints, and write down notes about that waypoint number on paper. There are more efficient methods, but require more fussy fiddling and aren't appropriate for the beginner.

When they return to the venue with a list of waypoints, the experienced mapper(s) help them download them off the GPS receiver and load them into an OpenStreetMap editor such as JOSM. The points get converted into Map Features and the hand written information is entered. The data gets uploaded to the map and made available to the world.

The Mapping Party is a convivial, community event. After the mapping is finished, the participants share food and drinks, and enjoy themselves. It's a party, after all!

More info available on OpenStreetMaps' site plus be sure to RSVP. [via NYCResistor]

January 16, 2009

ybike 1.0: The Purple Pedals project

The Purple Pedals project consists of 20 solar-powered, geotagging, photo-taking, flickr-uploading bicycles called the ybike. It's also a really interesting look at why a major sponsor would fund such an unusual project. There is a great list of assets at the end of the post that you might want to check out.

So how does Yahoo benefit from the project? Compared to traditional marketing it's a hell of a lot cheaper. It's also more novel-instead of talking about innovation it actually makes innovation, creating self-generating press along the way.

More about the ybike 1.0

January 13, 2009

GPSd under OS X

GPSd is a TCP daemon that displays location data that's been polled from a connected GPS device. The are a lot of unix location-aware applications that use GPSd instead of communicating directly with a GPS device since it allows more than one application to access the device at a time.

Seth Just sent us a howto on getting GPSd working under OS X, along with a few useful applications.

Luckily, there's a wonderful open source project called gpsd which provides support for a wide raft of devices and protocols, and talks to an even wider assortment of software. Primarily, I wanted to be able to get my gps to talk to the network scanner Kismac, and Randall Munroe's cyborg.py script. Both of these were built to take information from gpsd, so I was in business. However, gpsd, which is designed to play nicely with Linux, takes some coaxing under OS X. This is meant to describe how I got it all running.

The documentation also walks you through getting GPSd working with the free gpsdrive navigation software. If you have a Mac laptop and a GPS, it's worth your half hour of time to get all of this running. You never know when you'll need to find a public access point or get last minute directions.

GPSd under OS X

December 29, 2008

Manhole covers of Japan...

Make Pt1518
New mashup Web site reveals the hole story behind Japan's manhole covers / Ittemia（イッテミア）前線

While not the oddest fetish in Japan by a long way, there are some who travel the length of Japan enticed by the prospect of a compellingly designed manhole. But while even the most ardent manhole cover buffs come up against the problem of too many manholes, not enough time, they now have a powerful ally: a new community Web site called Ittemia Zensen, started in August this year and featuring pictures of manhole covers from various regions of Japan and details on their locations.
Contributors can add photos of manhole covers directly from their mobile phones, along with global positioning system (GPS) data to mark its location on the map. While the site features pictures primarily of manhole covers from the Kanto region, those from other regions are also available, and many manhole covers feature locals sights and scenes, such as lanterns from the Kanto Festival in Akita; "gassho-zukuri" (thatched gable roof) farmhouses of Shirakawa in Gifu Prefecture, and scenes from the port city of Kobe.

November 14, 2008

Make your own Google map marker for your house

Robert Sollis, a student at the Royal College of Art wrote an email to Google asking for a marker to be placed on Google Maps for the college's temporary site in Kensington Gardens. All he got back from Google was an automated response, so he decided to create his own marker out of individual carpet tiles, each measuring 185mm square which directly corresponds to Google's pixel information from their satellite images. Pretty impressive build that also reminds us of the MAP project.

Google Carpet via It's Nice That

November 10, 2008

24 hours of Android

Yesterday I bought the first cellphone of my life. I had been using the junker phone that my niece lost two years ago when she was in 7th grade. It resurfaced when she finally cleaned her closet. The phone was already on the plan and they had replaced it Tmobile was going to charge to turn it off. My entry phone almost worked, and it wasn't pink. Eventually I would need to get an 'adult phone'.

So a few months ago Google started making noise about the Android. Open source, touch screen, 3G, browser, all the good stuff in modern phones. I had thought about getting an iPhone, but that was so last Spring. Verizon has a few iPhone copies, but they are basically wannabees. Why not get the real thing?

Since I live in a fringe area, they don't have Tmobile stores nearby. The noncorporate stores don't carry the phone yet. I went twice to the store on Newbury street in Boston, but their hours are not late enough for my schedule. Yesterday I finally got my G1.

My uncle asked last night if the G1 was any better than the iPhone. I told him that it probably isn't better as far as a design standpoint. Apple has been working up the various parts of that interface for years. The true value to me is that the Android and G1 are open source. By encouraging people to not only use the phone but actually improve it, the G1 has much more potential than the locked down design from Apple.

Here are a few observations about the device and what it has me thinking about:

The web browser is okay, pages load pretty slow. Having a web browser in my pocket is definitely a plus.

When you turn the phone on its side, the screen doesn't adjust. You have to open the slider to get it to switch to landscape mode. That's annoying to me, and certainly somebody will hack into the motion sensor and fix the flaw.

On the keyboard, there are not arrow keys. The keys are pretty small, but seem to work ok. After a bit of practice I have gotten the hang of a bit more. It took me a while to figure out that the rolly ball is like a track ball and allows you to move the cursor around. It is pretty sensitive.

Email: The phone is linked to my Google account. So this means that gmail, google documents, youtube and blogger all know that I am me. I think I signed in once and everything else was good to go.

Photos: One of the reasons that I got this phone was that it has a 3 megapixel camera. A couple of years ago I started carrying a Nikon S4 digicam in my pocket every day. Having a camera with me all the time changed the way I think about photography. That camera finally died in September, and I have missed the smallish size of it compared to my larger Canon S515. The exposure of the G1's camera is not that great in low light. It is not yet seamless to shoot and have it go straight to my flickr account. At this point, the best way seems to be to take the picture, then email it to the flickr address tied to my account. Pictures go up, but don't have tags, nor are they added to sets. Certainly that will be figured out. Since the phone has a micro sd card reader, I could use my other camera with an adapter and micro sd, then use the phone to upload on the fly. That will be useful. No video yet. Somebody will solve that issue, right?

Internet: for me, web access is a new thing to have in my pocket. I think I will like it.

Power: The battery took its first charge while I sat at the counter in the store and played with it. The seat was comfortable and there was much to learn about the phone, so I stayed a couple of hours. Several times it shut itself down in the store. I pointed this behavior out to the salesguy, but he did not seem inclined to replace the phone. A great feature of power is that the phone charges with a standard mini USB plug. This means that I can get a charge any time I am near a computer. It also means that I do not need to have a special phone charger. They tried to sell a car charger to the guy after me in line. I quietly told him that the phone used USB and saved him twenty bucks. You could probably use a Minty Boost to top it off if for some reason you were out of reach of the great USB.

Reception: This phone has much better reception in my fringy town in the suburbs than my middle school hand me down. Originally, I thought that I would only be able to use it as a phone around home base. Instead, I have been able to get email and web access in town, and the coverage seems better than I anticipated. Apparently the 2G coverage includes data. In the house, the phone does not seem to be able to see the wireless N router very well. Tomorrow I will see how it likes the routers at school.

Maps: Since the phone is tied to all things Google, google maps and street view are ready to roll. I looked at the street in Boston where I often park my car, but the photos must have been taken on a day when I was out of the city. When there is good coverage from lots of cell towers, the phone can pinpoint its gps location pretty well. Out in the boonies, it shows the one tower that is in range. One really nice thing about that is that the phone can show me where the cell towers are in my area. I have been wondering where the cell towers are for quite some time. It appears that the phone can show me the location of the Tmobile cell antennae through the maps data. The other day, I was actually seriously considering looking up the coverage maps in the FCC documentation. To me, the gps reception/simulation means that back country geocaching will not be successful, but innercity hunting could work fine.

Physical form: The phone is a bit clunky and big, but not as big as a blackberry. Last night some Blackberry addicts found me out at a family party and had a wonderful time showing me how good my phone was. I was worried about the hinge, but it seems sturdy, and I think HTC is the company tht makes the Sidekick. Getting the back off to change the sim card and battery was a tool-free event. Fingernails and a couple of tugs got the plastic back off.

Interface: I have found the interface both good and a bit complex. I like the touch screen response, but wish it had the magnification feature I see on the iPhone. My 10 year old daughter has enjoyed poking around in the menus, and figured out the music player aspect pretty well before I did. She seems to think that it will be easy to learn the features and add more capability to it.

What does the G1 Android have me looking to learn? It would be nice to make a headphone adapter that can make use of the regular 1/8th inch stereo plug. The board and surface mount components could be made easily in the Fab Lab. A usb keyboard would be nice to be able to plug in and use at times. Custom cut vinyl will be very possible, there is lots of real estate on the back that is just waiting for a skin. My friend Perry is anxious to learn about programming in Java so he can make his own apps for the android. Could students in programming classes learn to program for the G1?

What possibilities do you see in the G1 Android? What does it make want you to learn? What has it taught you already? How will it change the way people see phones and hardware? Can it change the way people learn?

November 5, 2008

SV Chronometer – a GPS based, interactive master clock

Simonclock
Simon writes in about his SV Chronometer – a GPS based, interactive master clock-

This is a little blog post about a device I built to provide me with an accurate time reference I can use to synchronise all the timepieces in my house. It used a GPS module and a PIC 16F628 microcontroller with a small two line LCD screen to display the time (UTC and local). Everything is housed in a art deco style casing with eye pieces to peer into the inner workings of the device. A crank handle on the side must be turned to cause the display to light up in a flickering manner similar to and old mutoscope machine.