A board designed to be used by students, the Raspberry Pi (RPi) ended up being the love affair for an entire hacker community—nerds and geeks with a penchant for tinkering with technology. While the previous article in this section looked at what the Pi itself has evolved into, this article looks to see if there is any similar maturity in the applications that it powers.

Almost every project powered by the RPi has one thing in common. It very rarely uses high-tech components, yet the applications that come out of the lab are mind-boggling! Here are some examples:

Your dog can talk. Imagine if your dog could talk to you, like we saw in the movie UP. Well, now dogs actually can. Aptly named, ‘No More Woof’ is a headset built by the research lab Nordic Society for Invention and Discovery. Perhaps one of the best examples of using existing technology in newer fields, this headset reads the dog’s mind using electroencephalogram (EEG) sensors. This product taps the minor fluctuations in brain waves as your dog thinks of you, love, food, squirrels and you again. The device comes with an EEG reader, a processing unit and brain-computer interface, all built into the headset, with its aim to further strengthen the connection between man and man’s best friend.

Your home can hear. Since your dog can already talk to you, getting your home to understand English should be easier than before. The numerous voice-recognition home-automation systems currently in the market lack the soul with which Apple’s Siri responds. That is where the RPi comes in with Siri’s mind, in the form of SiriProxy. This is a combination of Siri’s soul in the body of an RPi—getting us that much closer to Hal 9000. Once your dog learns to speak, this could be the easiest way to take care of things around the house. Want to take out garbage? Ask your dog and he will pick up the bag, pass the voice-recognition security lock, ask your RPi to disable the garden’s sprinkler system and get rid of that garbage in the neighbour’s lawn.

A drone that can hijack drones
A drone that can hijack drones

Your drone can hijack drones. What could be worse than a drone that has the capability to hijack other drones? Well, one that could do it autonomously, without a human to control it. And that is exactly what the SkyJack does. Running on a Parrot AR.Drone quadcopter with the RPi on board, it can easily hack other Parrot drones nearby, hijacking their wireless connections and even taking over their flight pattern. If your Mumbai pizzeria drone did not deliver their pizza in 30 minutes, look to the sky and you might possibly see it flying behind a SkyJack.

Raspberry Pi gets professional
Apart from all these wonderful hobbyist creations, did you know that the RPi also has its share of cool industrial applications? Have a look at some of them:

Test labs for electronics engineers. A web-enabled RPi and a programmable test and measurement device called the Red Pitaya have come together to create this awesome utility. The Red Pitaya is a portable, programmable, multifunctional test and measurement device. It serves as an oscilloscope, a function generator and a frequency and spectrum analyser, all in one go! The Red Pitaya is connected to a network as a web server, and users can connect to it by simply entering its IP address in the web browser. Interfacing with the RPi allows access to the Red Pitaya console. This application was started at KickStarter and is now shared in a step-by-step approach on DesignSpark.com community by one of their community members.

Command and control microbrewery. The microbrewery business just got a whole lot easier and productive with the RPi-powered brew environment control. It does away with the fancy and expensive equipment that you traditionally need, and instead allows you to brew your first batch of beer with a couple of sensors and a web-enabled RPi. This little set-up allows the brewer to connect to his brewing room from anywhere in the world through the Internet and monitor the temperature and humidity, both of which are very essential to ensure that the beer is drinkable.

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