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Hackaday Links: June 15, 2014

hackaday-links-chain

Love the classic brick Game Boy, but hate the low-contrast LCD, terrible battery life, and the inability to play Pokemon Emerald? This one’s just for you. It’s the ultimate DMG Game Boy – a Game Boy Advance SP stuffed (is it stuffed if it’s taking up more room?) into the classic Game Boy enclosure. Forum thread.

Zooming in to a microchip. It starts off with a DSLR and ends up on a scanning electron microscope. This is an older chip, and the CPU you’re using right now probably has much smaller features.

Every movie and every TV show set in space invariably has space helmets with LEDs pointing towards the face. Think how annoying that would be for an astronaut. Here’s how you add LEDs to a space helmet for a nice theatrical effect. Just don’t use it on a real EVA.

Everyone’s favorite crowdfunded space probe can apparently be detected with an 8-foot dish. That’s the same size as an old C-band dish, a.k.a West Virginia wildflowers. We know some of you have one of these out there, so go make a ~2GHz feed horn, grab a USB TV dongle, write it up, and send it in.

Alright, MAME cabinets. Say you want to go old-school and have a CRT. Some arcade games use a vertically oriented display, while other, slightly more modern games use a horizontally mounted display. How do you fix this? Get a big bearing, of course. This one allows a 19″ CRT to be rotated 90 degrees – all you need, really, if you’re switching between Pacman and Mortal Kombat.

Hey mechanical keyboard enthusiasts! Here’s some Hackaday Cherry MX keycaps. Informal interest check in the comments below. Suggestions welcome.


Filed under: Featured, Hackaday links

Alibaba’s mapping service AutoNavi talks monetization plans

Alibaba's mapping service AutoNavi talks monetization plans
Image Credit: AutoNavi

AutoNavi, the Chinese mapping company Alibaba Group has fully acquired, made its monetization plans quite clear at the 2014 World Geospatial Developers Conference (WGDC): (1) transaction-based commissions from third parties who use its data and solutions; (2) enabling services on its platform to trade user data and take commissions.

AutoNavi has been introducing offline stores or third-party services onto its map-based marketplace, hoping to build a Taobao-style platform. Taxi booking apps, house cleaning service Gviva, moving & house cleaning service Taskp, real estate service Homelink and many others have been on the platform. Alibaba also has built marketplaces for offline stores, from group-buying to online restaurant booking, so that it has data about those merchants.

AutoNavi has launched application programming interfaces (APIs) and software development kits (SDKs) for online services or mobile apps to use its data. The company will launch a solution that enables those aforementioned services to take payments (possibly through Alipay) and create routes for users — It’s already possible on Alipay for users to search for stores nearby, find routes on AutoNavi’s Amap, and, of course, make payments.

The company plans to take commissions from orders generated through the solution, according to Tian Mi, GM at AutoNavi’s LBS open platform and data division, who spoke at WGDC. What’s interesting is the marketplaces run by Alibaba, now AutoNavi’s parent company, don’t take transaction-based commissions but have been making big profits through in-market advertising.

Taxi Booking Service on AutoNavi Amap

Taxi Booking Service on AutoNavi Amap

AutoNavi said it was also developing a solution for third-party services to share their user data, hoping to taking transaction-based commissions too.

We heard that UC Web, which has been fully acquired by Alibaba, will be overseeing the LBS division of Alibaba, which means AutoNavi will be under the new UC business group of Alibaba. UC Web has been monetizing its mobile browser through search marketing, display ads, gaming, among others. We’ll see what former UC Web management think of the monetization plans.

The post Alibaba’s Mapping Service AutoNavi Talks Monetization Plans appeared first on TechNode.

This story originally appeared on TechNode.


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Look, ma, no controller: This drone follows your cray-cray action sports adventures

Look, ma, no controller: This drone follows your cray-cray action sports adventures
Image Credit: Screen shot

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You don’t need a friend to carry a camera to catch all those gnarly extreme-sports moves anymore. You just need this drone and a GoPro.

A Kickstarter campaign to fund the first batch of drones from startup Squadrone System is raking in money fast. The goal is $50,000. It debuted today, and people threw more than that at the campaign within two hours of its launch.

Sure, unmanned aerial vehicles can be fascinating, helpful, and sometimes even world-changing, but they don’t often have the distinction of being able to fly around and follow a fast-moving person without someone minding its every move. But Squadrone’s smartphone app changes all that. It lets people set rules about how far away and at what angle the drone will stay as you ski, skate, ride, run, or otherwise move.

That distinction could make waves for the filming industry, and perhaps it could lead to footage that couldn’t be shot before.

The drone can fly at about 45 mph. It weighs less than 3 pounds, not including the GoPro camera that you can mount on it.

One downside: It can only operate for 15 minutes at a time.

But with money coming to the Palo Alto, Calif., startup at this rate, that little hiccup could soon be history.

The startup expects to deliver its first drones in May 2015.








Meet Niice, a hip site that spouts images for the designer in you

Meet Niice, a hip site that spouts images for the designer in you

Above: Niice's homepage.

Image Credit: Niice screen shot

Niice, a search engine for images that can help designers devise original ideas, just got a lot more helpful.

It officially launched this week, with monthly subscriptions for premium services, as well as a “moodboard” feature for storing all of your favorite images in one common place that you can share with colleagues.

But Niice is already neat, whether you’re a designer or not.

The search engine can “almost artificially manufacture serendipity,” Andrew Fulton, the startup’s business development guy, said in an interview with VentureBeat.

I could see that — I have run across some surprising images on the site during searches — or, then again, I could be skeptical. It could be merely an imprecise algorithm that happens to turn out pictures that make you raise an eyebrow and wonder about relevance.

In any case, it’s fun to use.

If you search for “dog,” for instance, sure, search results will show you a few pictures of dogs, but most results are related to dogs in a more abstract way. There are illustrations of dogs and hot dogs, covers of books with titles featuring the word “dog,” and random stuff, like a photo of a bottle of white whiskey that goes by the name “White Dog” and a a map of movie titles, including — guess! — “Reservoir Dogs.”

When you find something you like, you can hit the plus sign at the top of the image. That adds it to your private moodboard.

Name that moodboard, add a description, and drag and feel free to drag to put them in an order you like. Flip through them all like you blaze through pictures of your Facebook friends. Upload an image to a moodboard by dragging and dropping, or use a Chrome browser plugin to add pictures from websites.

From there, you can share the moodboard. Grant access to a friend or someone you work with. Or you can download a JPG containing everything on the moodboard.

Designer Chris Armstrong, formerly of Typecast, started working on Niice with Pete Hawkins, a developer friend from Typecast, last year. Armstrong had grown tired of spending such a long time searching for inspiration on image-packed websites like Behance and Designspiration, or even just sites that aggregate images from lots of sources. “Google Images didn’t do the trick,” Fulton said. Rather than spend almost an hour looking for inspiration every morning, Armstrong “just wanted to speed that up,” Fulton said.

While social networks and other sites take pride in how long people spend on them, at Niice the idea is to help people find great stuff as fast as possible. The goal, Fulton said, is to strike a “balance between stickiness and effectiveness.”

Some people will think of Pinterest when they play around with Niice. But Niice draws from image sources that are made for designers, like web design site Dribbble. And Niice could be more presentable to a designer’s customer than a general Pinterest board.

And now Niice can take on revenue when people use it for business. (It also shows ads here and there.) For a $5/month pro account, you can make as many moodboards as you want, with image upload capability and no ads. For $15 per month, you get five pro accounts, and everyone gets access to a private image stream.

Niice is based in Belfast, Northern Ireland. Most of the 525,000 site users don’t have accounts but have just executed searches. The site received 11,000 requests for access to its beta version.

And the team has big ambitions.

“We want Niice to be actually the first thing in a design team’s workflow and … a creative hub,” Fulton said.

Next steps include adding a way to comment on images in moodboards and creating a means to integrate Niiice into other applications, Fulton said. More image sources are on the way, too.








The Relay-Based Mouse Emulator

mouse

[Nixie]‘s job involves using some test software that requires moving a mouse around, clicking a few buttons, checking if everything is okay, and repeating the process over and over again. This is obviously a solution for some keyboard macros, but in a fit of sadistic spite, the test software requires someone to move a mouse around the screen. What is [Nixie] to do? Make a mouse emulator and automate the whole thing, of course.

The Memulator, as [Nixie] calls the device, is the latest in a series of devices to increase productivity when testing. The first version was the mouse tumor, an odd-looking device that simply switched off the LED for an optical mouse, keeping the cursor in one spot while [Nixie] hammered a button repeatedly. The second version is more advanced, capable of moving the cursor around the screen, all without doing an iota of USB programming: [Nixie] is simply using a resistive touch pad, some relays and a few pots to turn buttons into cursor movements. It’s such a simple solution it almost feels wrong.

There’s some interesting tech here, nonetheless. For some reason, [Nixie] has a few cases of old, can-shaped soviet-era relays in this build. While using such cool, awesome old components in such a useful and productive build seems odd, if you’re trying to fix ancient software that’s so obviously broken, you might as well go whole hog and build something that will make someone in twenty years scratch their head.

Vertical video of the Memulator below.


Filed under: peripherals hacks, tool hacks

A Motion Activated AC Switching Circuit using Mostly Discrete Components

AC motion switch

If you’ve ever dealt with a brightly lit Christmas tree, you might understand the frustration of having to crawl underneath the tree to turn the lights on and off. [brmarcum] feel’s your pain. He’s developed his own motion activated AC switching circuit to turn the lights on and off automatically. A motion sensor ensures that the lights are only on when there are people around to actually see the lights. The circuit also has an adjustable timer so [brmarcum] can change the length of time that the lights stay on.

The project is split into several different pieces. This makes the building and debugging of the circuit easier. The mains power is first run through a transformer to lower the voltage by a factor of 10. What remains is then filtered and regulated to 9VDC. [brmarcum] is using a Parallax PIR sensor which requires 4.5V. Therefore, the 9V signal is then lowered once more using a voltage divider circuit.

When the PIR sensor is triggered, it activates the timer circuit. The timer circuit is driven by a 555 timer. The circuit itself was originally borrowed from a classic Forrest Mims book, though it was slightly modified to accommodate the PIR sensor. The original push-button trigger was removed and replaced with the signal from the PIR sensor. The only problem is that the circuit was expecting a low signal as the trigger and the PIR sensor outputs a high signal. [brmarcum] resolved this problem with an NPN BJT to invert the signal. Once the timer is triggered, it flips on a relay that allows the mains electricity to flow through to the lights.

[brmarcum] soldered the entire circuit onto a piece of protoboard. The final product was then mounted securely inside of an insulated plastic case. This allows him to mount the circuit safely underneath the Christmas tree skirt. The PIR sensor is kept external to the enclosure and wired up into the tree itself. This allows the sensor to still detect motion in the room while the rest of the circuit is hidden away.

[via Reddit]


Filed under: home hacks

PiGates Validates Your Concert Tickets

gatespi

[Seph] works for a company that handles ticketing for concerts and special events. One of his primary tasks is to check for counterfeit tickets at the gates of an event. Depending on the venue, this can be mag-stripes, bar codes, or one of several breeds of RFID. Until recently, netbooks coupled with USB readers performed the task. The netbooks weren’t a great solution though – they were expensive, relatively fragile, and took up more space than necessary.

[Seph] had a better idea. He created a ticket validation system using a Raspberry Pi. The Pi sits in a translucent case with a PiGlow RGB LED board. A USB reader (in this case a bar code reader) plugs into one of the Pi’s USB ports. These readers can operate in several modes, including keyboard emulation, which [Seph] chose because it wouldn’t require any driver work.

Using PiGates is so simple even a drummer could handle it. Normally the Pi glows blue. When a ticket is scanned, [Seph's] python script reads the code and verifies it against an online database.If the ticket is valid, the Pi will glow green. A counterfeit ticket is indicated by flashing red LEDs.

Click past the break for more on PiGates.

[Seph's] company tested the system at an event over Memorial Day weekend. PiGates was a huge success. His company is now planning to replace all their netbooks with PiGates systems.

piglowAnimation

If you’d like to read more about PiGates, check out [Seph's] thread over on Reddit. 


Filed under: Raspberry Pi

Coin Pocket picks up speed after Apple lifts its Bitcoin wallet ban

Coin Pocket picks up speed after Apple lifts its Bitcoin wallet ban

Above: Coin Pocket, ranked No. 74 in top free iPhone apps in the finance category in Apple's App Store.

Image Credit: Screen shot

How can you leverage mobile to increase profitability for your company? Find out at MobileBeat, VentureBeat's 7th annual event on the future of mobile, on July 8-9 in San Francisco. Register now and save $200!

A new Bitcoin wallet app is climbing up the charts in Apple’s App Store after a prohibition on such apps ended recently.

The app, Coin Pocket, made its debut on Friday and is already ranked No. 74 on the list of the top free iPhone apps in the finance category of the App Store.

Apple permitted people Bitcoin wallets to live in the App Store earlier this month, following the tech giant’s systematic exile of similar apps from the App Store in previous months. Most recently, Apple dropped Blockchain from the App Store in February.

The Coin Pocket app, from developer Mike Enriquez of Ohio, lets people send and receive Bitcoins on iPhones and iPads.

“Check your state and federal laws on the transmission of Bitcoin or virtual currencies before using the send feature of this app. You are liable for the use of Bitcoin in your jurisdiction,” the app’s description reads.

That makes sense, considering that Apple is keen on regulatory compliance for virtual currency apps. Apple’s new App Store guidelines mandate that such applications must be permissible under state and federal laws in place where people use them.

Several people have offered positive feedback of the app on Reddit and in the App Store itself.

Hat tip: Coindesk



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