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Tag Archives: WiFi

Radio The Size Of An Ant Developed, Doesn’t Require External Energy

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Oh, the jokes to be had with this. Or more like, the cliché jokes to the tune of “what is this? A radio for ants?” Well, it is a fully functional radio that’s about the size of an ant, though we don’t expect the little insects from deriving any type of pleasure from it.

Stanford engineer Amin Arbabian has managed to create a wireless radio just a few millimeters across that is so energy efficient that it doesn’t need a battery. Instead, it harvests power from the incoming electromagnetic waves. The Stanford radio chip is designed to compute, execute, and relay signals. What sets this technology apart is that it all happens on a single chip that doesn’t rely on any exotic materials or theoretical principles.

The last time we covered a device that “harvests energy from the surrounding electromagnetic waves”, it was for the RCA Airnergy device, which purported to be able to charge its internal battery in this fashion. Back then the consensus was that this was impossible, or at least the energy gathered was so negligible that it would be impossible to charge anything with it. But this radio is different since it actually uses so little energy itself that a single AAA battery could power it for 100 years. Arbabian even managed to fabricate 100 of these tiny radios, just to see if they’d work, and they do. This technology could help facilitate the development of the “Internet Of Things”, where all your devices are interconnected and online, for added functionality.

It’s all a proof-of-concept for the moment, but the fact that it can be done, and more importantly, done at a low cost, might signal a bright future for the technology.

[ Stanford Page ] VIA [ Geek.com ]

This Is Why You Can’t Get WiFi Signal In That One Room In Your Home

WiFi Apartment

How is it possible that you got this powerful router, and yet this one bathroom on the second floor never gets any darn WiFi? Jason Cole, a PhD student in physics wondered the same thing, but instead of cursing at his phone like most of us do, he decided to investigate. The picture above is the result of his efforts. After “mapping his own apartment and assigning refraction values to the walls, then applying so-called Hemholtz equations to model the electromagnetic waves’, he obtained a clearer view of what happens to the signal as the router is moved around. And while he did determine that the most optimal spot to place it was in the center of his apartment, he couldn’t do that, so he used his work to find the second best spot, one which would generate the most “tendrils” of coverage to the most places.

While most of us don’t have the knowledge to find the optimal spot for our router, the image above does highlight the fact that moving things around even just a little bit can make a rather large difference and that after some trial and error, you may be able to improve your situation dramatically.

[ Jason's Blog (math heavy) ] VIA [ Engadget ]

Nest Protect Revolutionizes Smoke Detectors

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Nest already has a thermostat on the market that’s being hailed as revolutionary. And it is, at least in the world of thermostats. Now the company is hoping to do the same with another, often neglected, household appliance: the smoke/CO2 detector. Nest Protect not only looks heaps better than a standard detector, but has so many features it puts them to shame. For one, it connects through Wifi to your home network, which allows you to configure each device to know which room its been installed in. This means that it not only alerts you when there’s smoke, but it tells you which room the smoke was detected in! Also, if you’ve just burnt your grilled cheese sandwich but there’s no actual fire, Nest Protect will alert you that it’s detected smoke in a calm voice, before setting off an alarm; you’re then free to wave at it to inform it that it’s fine and nothing is on fire. That’s right, a simple wave of the hand avoids you having to get up on a stool to press the reset button as the alarm blasts in your ears.

Finally, the Nest Protect can serve as a night light, lighting up to guide your path to the kitchen or bathroom in the dark as it detects your movement. But, in a nice touch of product design, it wont light up in the bedroom so you don’t wake up your partner. All in all, we’re really impressed with the Nest Protect, and at $129 we think it’s a steal. Available in November at Amazon, Apple, Best Buy and The Home Depot.

[ Product Page ]

What the French Fry: Burger King Gives Free ‘Wi-Fry’ to Promote New ‘Satisfries’

WTFF Burger King

Burger King is leaving giant crinkle fries all over New York, Los Angeles, and Chicago in a grand attempt to promote their new reduced-fat fries called “Satisfries.” The pun doesn’t end there. They extend it to the actual promotional campaign, which consisted of leaving the aforementioned giant fries in random places and giving people free Wi-Fry.

They’ve dubbed their campaign #WTFF, which stands for What the French Fry.

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Doorbell Lets You See Who’s At The Door, Even If You’re Not Home

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The iDoorCam wants to let you see who is seeking entry into your abode, even if you yourself aren’t on the premises. The rugged, waterproof doorbell features a camera, a mic, speakers and of course, a WiFi module. With that gear, it simply gets online and allows you to access the system via smartphone, wherever you are. When someone rings the bell, you get a notification on your phone and you can have a two-way conversation with the person, as well as enjoy the ability to see them.

It doesn’t look like it has the ability to actually unlock your door from a distance, so it wouldn’t work if, say, the kids forgot their keys and you want to let them in. That could be something cool to add in future versions, but for now, $165 will get you yours, with an October delivery. The company will start accepting pre-orders soon. Oh, and it looks like it’s iOS only.

[ Product Page ] VIA [ Engadget ]

Feed Your Pets More Intelligently With This Connected Feeder

Unlike the joke Crib Dribbler from yesterday, the Pintofeed is a real product that we’d actually like to purchase. It’s a WiFi-connected mechanical pet-feeding device. Once setup, you simply load up the 5lbs or 10lbs compartment with dry food pellets and at the press of a button from your smartphone, serve up a 1/8 cup portion of feed to your loved house companion. Over time, the application will learn your pet’s feeding habits and create an automated feeding schedule. You can even use this information to slowly trim his food intake if you’ve noticed your pet has been packing on a little too much fat.

There are a number of fail-safe features that make the Pintofeed reassuring to own. For instance, you will be notified every time your pet is fed, and if food jams the mechanism, you’ll also get an alert. There are two motors, should one of them fail, and there’s a battery that lasts three months in case the power goes out.

Considering how many products in your home are getting a connectivity upgrade, it’s about time that the lowly pet feeder got the same treatment. Currently, Pintofeed is in the fundraising phase on IndieGogo, and a $99 pledge will secure a June 2013 delivery.

[ Project Page] VIA [ GearHungry ]

Spectacam Records The Action In Front, And In The Back

It’s never a bad idea to have a camera running when you are moving, whether it’s a dashcam in a car, or a helmet-mounted camera when you’re cycling. Not only is it fun to watch what you’ve done, but if there’s ever an accident, that’s some potentially important footage. Except of course it’s always footage of stuff in front of you. The Spectacam cycling cam seeks to change that by featuring two 1080p cameras mounted 180 degrees from each other. The small device is streamlined and mounts to the top of a helmet with velcro, then connects to a smartphone through WiFi. An included handlebar mount allows you to secure your phone in front of you and control what’s happening at the touch of a button. Being able to immediately see out of the cameras lets you adjust the shooting angle at each end of the Spectacam, to make sure you’re recording exactly what you want. The footage is stored in an SD card, and not on your phone. Battery life is said to be around 3 hours.

Currently a far-from-funded project on Kickstarter, a $200 pledge will get you in line for a May 2013 delivery.

[ Project Page ]

LIFX LED Lightbulb’s Kickstarter Success Shows There’s Some Heavy Demand

A while ago we wrote about The Bluetooth Light Bulb. It was a nice product but its availability was not known. Now we’re hearing about the LIFX LED Bulb and we’re starting to hope we can actually get our hands on something real. Unlike the other one, the LIFX works with WiFi to communicate with its application. One bulb connects to the router, and then creates a mesh network with every other one you have installed in your home. Once online, you can adjust each bulb’s brightness and color, as well as program it with a timer. Other features include the ability to dim the light when you go to bed, and to automatically match the colour to the music you’re listening to (mood lighting).

It’s $65 right now as a pledge on Kickstarter, with delivery slated for March 2013. More importantly, the project is not only fully funded, but it’s raised $700,000+ when its goal was $100,000, proving that the market is ripe to bring a bit of innovation to an invention that’s barely changed in the last 100 years.

[ Project Page ] VIA [ UberGizmo ]

NETGEAR WiFi Booster Lets You Roam Your Mansion Freely

By David Ponce

Dropping out of range of your WiFi router can be pretty annoying, especially when you’re in the middle of streaming a really good episode of Breaking Bad on your iPad while comfortably lazing in your yard. If you’ve got a 3G device, it might then just switch to cellular data and keep going, but you’ll be eating away at your very limited (and expensive) bandwidth. Better just splurge $40 on a Netgear WiFi booster. It takes your current 2.4Ghz 802.11 b/g/n signals and amplifies them so they reach out further. There’s no specific details on just how much further, but at $40, any little bit can go a long way.

It should be available later this summer.

[ Product Page ] VIA [ Engadget ]