PiPhone – A Raspberry Pi based Smartphone

IMG_0872cHere’s my latest DIY project, a smartphone based on a Raspberry Pi. It’s called – wait for it – the PiPhone. It makes use an Adafruit touchscreen interface and a Sim900 GSM/GPRS module to make phone calls. It’s more of a proof of concept to see what could be done with a relatively small form factor with off-the-shelf (cheap) components. I don’t expect everyone to be rushing out to build this one, but I had great fun in doing it, as it builds quite nicely on my previous projects, especially the Lapse Pi, a touchscreen time-lapse controller, and uses most of the same hardware.

What makes this different from the Timelapse controller is the addition of a a SIM900 GSM module, which is connected via UART to the Raspberry Pi. Also, I got myself a LiPo battery that would fit nicely between the TFT screen and the Raspberry Pi, so it could be used standalone, without any wires hanging off it whatsoever. Here’s the finished PiPhone.

IMG_0872d

 

Also shown in the above pic is the touchscreen interface I developed for the purpose of this project. It’s a numeric keypad, with a display of the number to dial at the top, and a phone icon at the bottom to make or hang up the call.

 

Here’s a demo of the PiPhone in action.

And do please subscribe to my channel, I regularly put up other cool projects! :)

    Once we turn the unit over, we can see the main communications module, which is a Sim900 GSM/GPRS module. This allow us to send standard AT commands to it to make calls, hang up, send texts, data etc. Overall a very clever module. Towards the bottom of the white PCB, you can see the SIM Card, which allows the module to associate with my local GSM network, and it’s using a regular prepaid SIM card, bought in my local phone store for €10. Below the GSM module, you can see the on.off switch and a DC-DC converter, which converts the 3.7volts from the LiPoly battery to 5volts needed by everything else. The DC-DC converter is from eBay from a UK seller. It was ore expensive than I’d like to have paid, but It was the last piece of the puzzle, and I didn’t want to wait the typical 3 weeks from China.

IMG_0868b

The following image gives a better view of the LiPo battery. It’s from Adafruit (http://www.adafruit.com/products/328), which fits nicely between the TFT and the Pi. The only problem with this setup is heat. It gets a bit warm around the CPU if you leave the unit switched on for several minutes, as there’s very little air circulation. With a small fan circulating the air around it, I was able to leave it on for extended periods during development, and it was cool to the touch. Also, the 6 pin header on the GSM module sticks out a bit, so I though about de-soldering the  header and soldering the wires directly onto the PCB. That would prevent the connector sticking out so much, and would sit better when placed on a flat surface.

IMG_0867b

And the other side view, showing the foam-core board seperating the GSM module from the Raspberry Pi. I chose a nice thich piece to ensure no electrical connections between them. Oh, and a couple of well placed cable-ties was all that was needed to hold everything together. :)

IMG_0869b

And one last pic showing the Adafruit TFT on top.

IMG_0866b  

I presented this to my local FAbLab the night before the publication of this blog article, and one question from the audience stood out: “Do you have to pay for credit?”. That certainly made me think, and we had a good giggle at that. Yes, you still have to pay for credit in the usual way, purchase a SIM card from a local service provider. This is not going to get you free calls! Nice try though! :)

Costs:

 

    Total: $158

As you can see from the cost of the components, you’d be FAR better off going into your local phone store and picking up a normal smartphone, but hey, where’s the fun in that. I got a great kick out of the first phone call I made with this thing. And it wont’s stay in one piece for long, I’ll be using those parts for other projects very soon!

Software Code is available on GitHub. All the instructions are there, and links on what to do to install the PiTFT, etc.

Circuits None. :)  It’s all made from off the shelf components.  

About the Author: By day I’m a senior embedded Linux software engineer working with Emutex Ltd, an Embedded Software Solutions company in Limerick Ireland. In my spare time, I take pictures, and play with gadgets and technology.

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Twitter: https://twitter.com/climberhunt @climberhunt

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Be sure to check out my other Raspberry Pi related articles, and if you like, you can subscribe by entering your email address at the top right of the page. :) Code is now available at https://github.com/climberhunt/PiPhone

Note: There’s now a guide on learn.adafruit.com with new diagrams and information on building your own PiPhone: https://learn.adafruit.com/piphone-a-raspberry-pi-based-cellphone



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This entry was posted in Computer Stuff, Tutorial.

77 Comments

  1. Jeffery Lay April 25, 2014 at 12:25 pm #

    Wonderful project! How’s the battery life?

    • daveh April 25, 2014 at 12:56 pm #

      I haven’t tested it, Jeffery, I’d imagine it would be only a couple of hours.

      • Amrood April 30, 2014 at 5:00 pm #

        what wires did you use

    • Sam April 27, 2014 at 8:22 pm #

      If you turn off the hardware you’re not using, and put the CPU to sleep a lot, whenever nothing needs calculating for that particular millisecond, you could get days I should think, on standby. It’s what ordinary phones do.

      You could wake up, say, every quarter-second to check the touch screen, if you can’t get it on an interrupt. Microcontrollers often have lots of power-saving features. A phone spends nearly all it’s time waiting for input from the user, or data from the network.

      That’s the key to battery life in portable products: Be switched off 99% of the time. There’s probably a lot on the web about using Raspis on batteries, and squeezing out the most currrent. The GSM / GPRS module might also have power saving options.

      • Peter Burkimsher April 29, 2014 at 10:17 am #

        Do you have a tutorial for setting up that kind of 99%-off standby mode? I’d like to use it in my Raspberry Pi project.

        I put a Pi inside an iPod shell, and I use it as a pocket-sized USB host.
        http://peterburk.dyndns.org/pipod

        Instead of a boost converter I used a PCB from a power bank, so I can easily recharge it from microUSB. (Version 1 was pickpocketed on Hainan Airlines from Brussels to Beijing. I now made version 2, but I can’t post photos, because it’s a prototype Pi motherboard I acquired last year while working for the Pi manufacturer, Egoman, in China). Email me if you have questions ;-).

        I want to add an LCD to my new iPod Video-sized model, but there’s no space inside the case for my Nokia 3310 screen.

        In the current form though, powering up is slow, and a sleep mode would be perfect. Let me know if you’ve got a good tutorial for that!

        • daveh April 29, 2014 at 10:36 am #

          Have you researched sleep modes on the Raspberry Pi at all? I’d be really interested to see what’s out there.It would be really useful for the PiPhone. Currently it’s on full all the time.

          • Sam May 4, 2014 at 10:52 pm #

            Actually a cursory look round tells me the Pi has NO power-saving hardware. It’s either up and running, or off!

            http://www.raspberrypi.org/forums/viewtopic.php?f=29&t=19253

            Is a discussion mentioning underclocking the main chip, which reduces power but not much. That page links to

            http://www.bitwizard.nl/wiki/index.php?title=Reducing_power_consumption_of_a_raspberry_Pi

            Which mentions replacing the Pi’s linear regulator with a more efficient one. The first page I mention, says it’s the network chip that takes most of the power, and it’s possible to remove that, as described in another link from the first link I gave.

            So in this case, the chip just wasn’t designed for battery operation. It’s a shame cos many ARM-based chips have lots of power-management functions, just not this one.

            It’s a shame. Still, there’s plenty of other ARM-based dev boards out there, with Linux support and with power-management. Perhaps one of those would be a decent replacement for the Pi, if you wanted to make a more practical phone. Which would of course be very very cool! Texas Instruments do a few dev boards, very cheap, for their MSP series ARM controllers.

            Probably a bit more work than I originally imagined, in getting power management down. There’s no fundamental electronic reason why it can’t be done, just the Pi is the wrong choice of brains. 8-bit Atmel chips would also drive the phone-module well enough, but of course you’d miss out on most of the power for applications, and the existing software base.

          • Sam May 4, 2014 at 10:57 pm #

            Oh, also might mention, that the Model A Pi doesn’t have the network chip included like the Model B, so that would draw less current to start with. There’s also some other bits and pieces missing, which all helps.

  2. raffahacks April 25, 2014 at 2:02 pm #

    In which language did you code it?
    Thank you, nice project

    • daveh April 25, 2014 at 2:05 pm #

      Hi, It’s all done in Python. I’ll be publishing the code next week.

      • Safiullah April 25, 2014 at 11:06 pm #

        Python… hmm…Amazing, and i thought python cant do stuff like that, you made my mind go “How stupid of me”.
        Do upload the code. I would like to see it.
        Best Regards and wishes for your future projects :)

        • dos April 26, 2014 at 1:08 am #

          Python already did stuff like that and even more. There was (somewhere around 2008-9 AFAIR) complete, functioning phone software for Openmoko Neo Freerunner called PyNeo which had its UI and services written almost exclusively in Python. Later, the freesmartphone.org had its first reference implementation of API done in Python, together with example GUI for it called Zhone. SHR distribution uses some Python apps for it’s core utils here and there.

          Actually, there’s nothing special about Python here, you can rewrite all of this stuff into almost any other programming language. For instance, there’s also a phone UI for FSO written in Emacs Lisp, called fso-el. With proper platform, only your imagination sets the limits.

          • Luke Leighton April 26, 2014 at 9:51 am #

            right. you say ´functioning´ – my friend phil hands supported the openmoko by buying one. unfortunately the team who were employed on that project bit off more than they could chew, and used completely the wrong technology. what they should have done is what david has done: release a development phone that was capable of receiving and making phone calls, and perhaps sending and receiving sms messages. they could have done this by installing X11 and making an appropriate ´skin´ for the xgnokii application, or they could have installed gphone and they would have reached an all-important milestone of having phone calls and sms within only a few days of effort.

            instead they chose to develop an entire runtime environment, using the god-forsaken system known as d-bus. they created so many notifications in this system – without communicating properly within the team – that not only were notifications often completely lost, but also they had notifications which sent more d-bus notifications which in some cases went recursive and overloaded the system in unrecoverable ways except a power-cycle.

            … but the worst thing was that due to all this context-switching, the processor was unable to cope. in general, ARM processors are not hardware-optimised for multi-processing, they are optimised for low power. so in the ARM9 for example if you context switch the *ENTIRE* 1st level cache is thrown away!

            so when a phone call came in, the sheer quantity of d-bus messaging was so great that the phone CPU on the OpenMoko was too busy to handle the screen and even the keyboard responses from X11. which, as anyone familiar with X11 will know, is *also* a client-server architecture meaning that there is yet *another* set of context-switching to contend with.

            the upshot was that you literally could not answer a phone call within a reasonable amount of time.

            basically although i am a huge fan of python it *is* necessary to take into consideration that it is an interpreted language with a speed *between* 1% and 99% that of c *depending on circumstances*, so whenever considering using it for real-time purposes on resource-constrained devices you had better keep it really *really* simple.

          • dos April 26, 2014 at 2:09 pm #

            I can relate to what you described, but over last five years that I’ve been using my Freerunner (and I still do it even today!) the situation was changing many times for the better. While Freerunner is still an overwhelmingly underpowered piece of hardware, also due to poor hw choices like Glamo (thankfully we now have more modern projects like GTA04 and Neo900), in the end it turned out that it was manageable to provide a nicely working environment out of very powerful and flexible building blocks. And my inner hacker that enjoys playing with phone source code, maybe even just to beat the boredom in tram and using on screen keyboard, is really thankful for it :P

          • Luke Leighton April 27, 2014 at 9:53 am #

            yes. the GTA04 by dr schaller with the 1 ghz OMAP is definitely enough, even to cope with the mess that is d-bus. it was just such a pity that they spent so much money on the GTA01 to *not* get it right… at the time

      • Amrood April 30, 2014 at 4:44 pm #

        so what do it do to make it? in my pi’s command line do i type this:
        git clone https://github.com/climberhunt/PiPhone.git
        or do i need to copy and paste the python file on to the pi?

        please reply soon!

        p.s congratulations on the awesome build

        • daveh April 30, 2014 at 5:04 pm #

          AmRood,
          Once you do the ‘git clone’ on your Raspberry Pi, you’ll end up with a PiPhone directory. If you ‘cd’ into that directory, you’ll see the piphone.py script which is the script that runs the GUI.
          Regards,
          Dave.

  3. Jonathan Chetwynd April 25, 2014 at 3:06 pm #

    Amazing!!!

    congratulations

    ~:”

  4. Jonathan Chetwynd April 25, 2014 at 3:09 pm #

    showing my daughter: you didn’t take a call…

    essential for the promo ~:”

  5. Sean April 25, 2014 at 3:16 pm #

    I didn’t see any mention of a microphone or speaker.?

  6. Tom West April 25, 2014 at 3:24 pm #

    I’d like to see where you can get a smartphone for under $158 that doesn’t have a contract (i.e. where you pay back the cost of the phone over time).

    • JK April 25, 2014 at 6:57 pm #

      That was my thought. In Canada, I checked Koodo for prepaid phones, there’s an LG-A341 for $100, but it is hardly a smartphone.

    • John Jorsett April 26, 2014 at 6:04 am #

      @Tom West: I paid $42 for an Alcatel Onetouch Evolve on Amazon a few months ago. It’s locked to T-Mobile, but until I activate it, there’s no additional cost, and even then the cost would be just the standard monthly access prices anyone pays. I imagine it’s a loss leader for T-Mobile, but little did they know that I do my own development and I’ll use it for its processing, display, and WiFi in an embedded project and I’ll never activate it. Mwaahahahaha.

      • blah April 26, 2014 at 9:20 pm #

        I’ll believe it when I see it.

  7. frik April 25, 2014 at 4:37 pm #

    Great project, read about it on Hacker News:

    Yes, please post your source code on GitHub – would be awesome. Playing around with the AT commands of the GRPS modem is fun :) [I built a GRPS cell phone using an Arduino UNO]

    About the “DC-DC boost converter 3.3V – 5V 1A”, could one use one with less Ampere like this too: https://www.sparkfun.com/products/8290 or https://www.sparkfun.com/products/10255

    • svenn April 26, 2014 at 6:52 am #

      the RPI needs needs 700mA and best is to use 1A or more … so if you use Arduino, perhaps it could work . (i believe it requires even less juice ?)

      • dos April 26, 2014 at 11:47 am #

        Well, not really. A device with proper power management, for instance, Openmoko Neo Freerunner, takes around 2mA while suspended and around 200mA during active usage, buuuuut… power consumption from the modem is generally low, but it can spike for a short time to even around 2A, for instance when connecting to BTS with very weak signal. 1A is probably enough to make it work most of the time, but make it less and you’re asking for trouble. That’s why you usually want to connect the modem directly to the power supply.

  8. daremick April 25, 2014 at 5:15 pm #

    Amazing project! I would love to do this build. I’ll check back here for more like it :)keep building cool stuff. Also the heat, I imagine that’s coming primarily from the battery? (you may have mentioned that) if you repositioned the battery and screen to go above the board you might be able to case fit it and it shouldn’t be much larger than your average smart phones. Just a thought, love the project :)

  9. Matt April 25, 2014 at 6:09 pm #

    Awesome project! It might be neat to turn it into a hotspot…

  10. Christer April 25, 2014 at 8:38 pm #

    I was going to try to do this so it is cool that some one else thought of the same thing and actually did it and made it work. Now I can use your work as a base to work from if I ever get around to actually do it :) Thank you.

  11. Gy Ro April 25, 2014 at 9:23 pm #

    That is amazing. You did an excellent job on this, I love it.
    Please do share the code! :-) Would love to make this!

  12. dos April 26, 2014 at 12:58 am #

    For better software, you can try freesmartphone.org middleware (with Zhone, SHR or Aurora as its GUI), QtMoko or maybe PyNeo. It’s all free software and given that your module uses basic AT commandset, it should more or less work out of box on your “device” and instantly give you full telephony, messaging and networking support.

  13. nameless April 26, 2014 at 1:49 am #

    Very nice thing!
    Is it possible to change the IMEI of GSM module? It would be good feature in the contemporary world, where a danger often comes from the state…

    • dos April 26, 2014 at 11:40 am #

      No, and IMEI changing in order to achieve anonymity is pointless anyway, especially when using a module that’s rarely used otherwise (think about ‘modem fingerprinting’, not even mentioning behavioral analysis etc…)

      For the best you can get from the phone regarding openness and anonymity, take a look at Neo900 – http://neo900.org

  14. A.Torres April 26, 2014 at 6:24 am #

    Please ..price for to you send a model for me to Brasil : )

    • dos April 26, 2014 at 11:36 am #

      Do it yourself! It’s just a project that’s like taken straight from basic engineering class, just like thousands of students do every semester to pass. Put few things together and you’re ready to go! It will be even easier for you, as you have a guide posted above ;)

      • A.Torres April 27, 2014 at 9:21 pm #

        but the programming of the phone for it to work even though I have to make this ?

        • dos April 27, 2014 at 9:38 pm #

          It’s easy to write some basic software by yourself, just like the author of this post did. If you don’t want to, there is a lot of ready software to make any GNU/Linux based device (with a proper modem of course) functioning as a phone – like FSO, SHR etc. I have mentioned it already in some other comment.

          And honestly, if you’re not interested in programming for a device like that, you definitely don’t want it. It has basically no practical value besides of learning. If it did, you would see more people talking to their homemade phones on the street, because it’s not hard to do, especially when platforms like Arduino or Raspberry Pi are that popular.

          • A.Torres April 27, 2014 at 11:08 pm #

            I have the concept of electronics and can ride it very easy but I do not know any programming language: (

  15. Razer April 26, 2014 at 4:55 pm #

    Put themę Android and IT will be great!

  16. a April 26, 2014 at 9:07 pm #

    Why did not you use a Model A Raspberry Pi ?
    It would drain less battery as you don’t need Ethernet port I think.

    • daveh April 26, 2014 at 10:00 pm #

      I have about 5 B’s but no A’s ;)

      • Sam April 27, 2014 at 7:35 pm #

        Can’t you disable the Ethernet hardware if you don’t want to use it? It’s connected via USB, and USB has power management from the host-side. Just a matter of software / drivers. MIGHT be as simple as sending some bytes to the right address, depends on the OS it runs.

    • dos April 26, 2014 at 10:01 pm #

      The difference would be neglectable.

  17. P H Creery April 27, 2014 at 2:28 am #

    What is the website for the github code?

  18. tilaprimera April 27, 2014 at 10:30 am #

    Excellent!

  19. Doug April 27, 2014 at 3:40 pm #

    Hi David,
    I saw the link on Slashdot. I just wanted to add that, yes, I would also love to see your Python code. No need to fix it up first; the Many Eyes can spritz it up as the market dictates. Actually as a security professional, I would be delighted to review from an appsec perspective and propose some strengthening.
    This is so much more exciting to me than Android ever was… honestly.

  20. Mike April 27, 2014 at 7:51 pm #

    Great!!! I would love to see faces of police officers when you take this phone to make a call on the airport :)

  21. DB April 27, 2014 at 11:05 pm #

    Goody! build your own government tracking anklet…

  22. Sarah April 27, 2014 at 11:24 pm #

    superbe
    Bravoooo

  23. maxchanda April 27, 2014 at 11:47 pm #

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  24. maxchanda April 27, 2014 at 11:57 pm #

    TOT Innovationสนใจต่อยอดนวัตกรรมกล้องนิรภัยรีโมทระยะไกล โครงการฝากบ้านไว้กับตำรวจ สนใจติดต่อกลับที่ 081 3633910 THANK YOU SO MUCH

  25. Da_Boom April 28, 2014 at 8:01 am #

    This is amazing… maybe i should use it to replace my hard bricked samsung..

    Also.. what Os is it using? im guessing Raspbian?

    The cool thing about this phone is its impossible to hard-brick!

    • Da_Boom April 28, 2014 at 9:23 am #

      I have another question… Can you make a tutorial video?
      and Where can I find the Cables and switches?(Or what exactly are they)

      • daveh April 28, 2014 at 10:39 am #

        I made the cables. The switch can probably be recycled from old equipment, or purchased from your friendly local electronics store. :)

  26. Alex April 28, 2014 at 9:36 am #

    I would like to ask where are the 2 leads, Tx and Rx on the GSM module connecting to?

    • daveh April 28, 2014 at 9:58 am #

      There are 4 wires used on the GSM module, Gnd, +5v, Tx and Rx, which connect to Gnd, +5v, Rx and Tx on the Raspberry Pi GPIO header.

  27. jhon April 28, 2014 at 1:15 pm #

    AMAZING PROJECT!!!!! Congrats!!! :)
    Btw, your project is famous now!!! WWWOOWWW!!
    Cheers!!!

  28. Juhele April 28, 2014 at 3:11 pm #

    Wow,
    I was thinking about possibility to create really simple but reliable phone for visually impaired users so the phone would have simple hi-contrast UI with full voice output for all menu functions, calls and SMS – both reading received ones and also during writing.

    There are various solutions for smartphones but it is mostly not simple and the voice output is not as reliable. Many visually impaired would appreciate even something like Nokia 3310 but with full voice support :-) This could be a nice start for such projects.

    thanks for sharing

  29. Charmain April 28, 2014 at 6:36 pm #

    BT

  30. sriram April 29, 2014 at 1:38 am #

    i suppose the same can be done using chan_dongle and using any of the supported huawei 3g modems..
    great idea though..

  31. J April 29, 2014 at 7:03 am #

    Awesome project! I really would like to build it myself.

    Share the code ;)

  32. JoshuaY April 29, 2014 at 7:35 am #

    When Are You Going To Post The Code?

  33. Josh April 29, 2014 at 10:11 pm #

    You’ve made a cell phone, how much doing would it require to make a cell repeater, and have a closed cell network that could be implemented on the cheap? Even one repeater could service a house? and several, a neighborhood? Maybe it would require different hardware. Just thinking out loud.

  34. Nwalker78 May 1, 2014 at 7:30 pm #

    Forgive me for saying this but isnt this just a knockoff of the arduino one thats been out ages? If i remember rightly there was a. Lotmore functionality on it to, wats next, slap a 7.5″ lcd and call it a PiPad or Pindle?

  35. Peter May 6, 2014 at 9:53 am #

    Would Make a great alarm unit for the LAB and also good for bushwalking :)

  36. Rino May 6, 2014 at 9:54 am #

    Hi my friend, It’s good this for your project?
    http://uk.rs-online.com/web/p/graphics-display-development-kits/7905707/

  37. S H Kim May 23, 2014 at 7:22 am #

    Hi I’m a Korean student, and i’m a senior in Pukyong national university.

    I’ve seen article about Piphone, and I got interest about it. So I’m going to try make it by myself. But there is problem, which we are using different method from most of countries, which are CDMA, WCDMA. If I use SIM900 GPRS/GSM module that you used in blog, I’ll meet problem that I can’t make a call because of different frequency. There isn’t CDMA/WCDMA module in online shop. I wonder there is shop where I can buy CDMA/WCDMA module for Piphone. And if I change module is it possible I can use your cording and same stuffs such as battery, converter? I’m crazy about Pi-phone now and I want to make it and with this chance, I hope to know about Raspberry Pi.

    • daveh May 23, 2014 at 8:43 am #

      From the description of the SIM900 module: “SIM5215 The SIM5215 series is a Multi-Band WCDMA/GSM/GPRS/EDGE module solution which supports WCDMA 384kbps for data transfer.”

  38. daveh November 25, 2014 at 1:01 pm #

    There’s now a guide on how you can build your very own PiPhone on https://learn.adafruit.com/piphone-a-raspberry-pi-based-cellphone
    Enjoy :)
    Dave.

159 Trackbacks

  1. By Raspberry Pi on April 25, 2014 at 12:08 pm

    […] LiPoly battery output 5 volts, and one of Adafruit’s tiny TFT monitors. You’ll find a typically thorough writeup on Dave’s website, with a parts list (he sourced everything from Adafruit and eBay), although he hasn’t […]

  2. By adafruit industries blog on April 25, 2014 at 12:37 pm

    […] Read more. […]

  3. By Faweiz Blog on April 25, 2014 at 1:06 pm

    […] the LiPoly battery output 5 volts, and one of Adafruit’s tiny TFT monitors. You’ll find a typically thorough writeup on Dave’s website, with a parts list (he sourced everything from Adafruit and eBay), although he hasn’t […]

  4. […] He calls it the PiPhone. […]

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  14. […] Bom é isso se quiser sabe mais sobre esse poderoso aparelho acesse http://www.davidhunt.ie/piphone-a-raspberry-pi-based-smartphone/ […]

  15. […] PiPhone – A Raspberry Pi based Smartphone | David Hunt via Raspberry Pi […]

  16. […] | Raspberry Pi Más información | David Hunt En Xataka | Cómo montarse una emisora de radio con una Raspberry Pi en dos […]

  17. […] Sitio Web de David Hunt […]

  18. […] April 25, 2014 6:51 pm | admin David Hunt […]

  19. […] SOURCE: David Hunt […]

  20. By PiPhone DIY smartphone uses Raspberry Pi on April 26, 2014 at 7:56 am

    […] SOURCE: David Hunt […]

  21. […] yourself a smartphone has never been so easy. Linux software engineer David Hunt found out about this after finishing his latest project – PiPhone, a DIY smartphone based on a […]

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    […] Here is another view of the PiPhone. Though it’s made completely from off-the-shelf parts, the project is geeky on it’s own. Here’s the link to the original project page. […]

  23. […] David Hunt Tweet Pin […]

  24. […] by I-eat-mop-hoop [link] […]

  25. […] PiPhone – A Raspberry Pi based Smartphone | David Hunt via Raspberry Pi […]

  26. […] dispositivo se ha llamado PiPhone y es un proyecto muy interesante para aquellos que quieran saber como funciona un teléfono por […]

  27. By Sink Your Teeth Into PiPhone on April 26, 2014 at 6:01 pm

    […] Have you ever dreamed of independence from smartphone bloatware? If you have a Raspberry Pi and an Adafruit TFT, you’re halfway to making your own version of [Dave]‘s PiPhone. […]

  28. […] Have you ever dreamed of independence from smartphone bloatware? If you have a Raspberry Pi and an Adafruit TFT, you’re halfway to making your own version of [Dave]‘s PiPhone. […]

  29. By PiPhone - kandrei.ro on April 26, 2014 at 6:09 pm

    […] tip a reusit sa faca o chestie draguta, mai precis a transformat un Raspberry Pi intr-un telefon. Desigur, nu e unul pe care sa-l folosesti in fiecare zi, dar ideea e buna si arata ce se poate […]

  30. […] Sitio Web de David Hunt […]

  31. […] David Hunts Website […]

  32. […] SOURCE: David Hunt […]

  33. […] touchscreen, SimCard Module, LiPoly Battery, and a few other parts, to build his own hand held ‘PiPhone’ for about $160. Control script was coded on this Linux OS device using the Python Programming […]

  34. […] PiPhone – A Raspberry Pi based Smartphone […]

  35. […] quiser acesso aos códigos e ao próprio projeto como um todo é só ir ao post do site do cara, que inclusive subiu todos os códigos para o […]

  36. […] phone store and picking up a normal smartphone, but hey, where’s the fun in that?” Hunt wrote on his blog today. “I got a great kick out of the first phone call I made with this thing. And it won’t […]

  37. […] Kaynak: DavidHunt […]

  38. […] limpio. Os dejamos con el enlace a su blog para que podáis ver todos los datos necesarios, haced click aquí. Sin duda, en Exabeta estamos muy de acuerdo con que la gente investigue y hagan proyectos tan […]

  39. […] PiPhone – A Raspberry Pi based Smartphone […]

  40. […] software engineer David Hunt has unveiled his latest “DIY Project” on his blog, showing off a Raspberry Pi based smartphone he calls the PiPhone. The home-made device comes with […]

  41. […] 44 David Hunt […]

  42. […] maar voor de mensen die handig zijn met een Raspberry Pi, zijn er meer mogelijkheden. De PiPhone is een volledig functionerende smartphone gemaakt van deze kleine, slimme computer. In onderstaande […]

  43. […] el aspecto físico o de diseño, el PiPhone no cuenta con ninguna carcasa o funda para ocultar sus componentes internos como sucede con casi […]

  44. […] The Raspberry Pi — is there anything it can’t do? The tiny computer has helped inventors and hackers create a media streamer, outer space camera, games console and cocktail-mixing robot in its short lifetime, and you can now add cell phone to that impressive list. Linux software engineer David Hunt has put together a working mobile phone using spare parts and a Raspberry Pi, as demonstrated on his blog. […]

  45. […] Ma è una chiara dimostrazione delle potenzialità che il Raspberry Pi ha. Con la giusta componentistica, poco meno di 100 euro e un po’ di sana programmazione è possibile metter su un telefonino! Roba che qualche anno fa avrebbe fatto rabbrividire tutti. E, in realtà, anche oggi. Maggiori informazioni sul progetto sono disponibili su questa pagina. […]

  46. […] T' Raspberry Pi — is thar innythang it a'ken’t do? T' tiny comput'r has hepped invanters an' hackers creete a media streem'r, out'r space camera, games console an' cocktail-mixyun' robot n' its shert lifetime, an' y'all a'ken noe add cell phone ta at impressif' lis. Linux software engine'r David Hunt has put togeth'r a wurkin mobile phone usin spare parts an' a Raspberry Pi, as demonstratid un his'n blog. […]

  47. […] The Raspberry Pi — is there anything it can’t do? The tiny computer has helped inventors and hackers create a media streamer, outer space camera, games console and cocktail-mixing robot in its short lifetime, and you can now add cell phone to that impressive list. Linux software engineer David Hunt has put together a working mobile phone using spare parts and a Raspberry Pi, as demonstrated on his blog. […]

  48. […] The Raspberry Pi €” is there anything it can €™t do? The tiny computer has helped inventors and hackers create a media streamer, outer space camera, games console and cocktail-mixing robot in its short lifetime, and you can now add cell phone to that impressive list. Linux software engineer David Hunt has put together a working mobile phone using spare parts and a Raspberry Pi, as demonstrated on his blog. […]

  49. […] Das Himbeerpu-€ ” ist- dort alles, das es € ™ t tun kann? Der kleine Computer hat Erfindern geholfen und Häcker, einen Medienausläufer, Weltraumkamera, Spiele herzustellen trösten und Cocktail-mischt Roboter in seiner kurzen Lebenszeit, und Sie können Handy dieser eindrucksvollen Liste jetzt hinzufügen. Linux-Software Engineer David-Jagd hat einen Arbeitshandy unter Verwendung der Ersatzteile und eines Himbeerpus zusammengefügt, wie demonstriert auf sein Blog. […]

  50. […] | Raspberry Pi Más información | David Hunt En Xataka | Cómo montarse una emisora de radio con una Raspberry Pi en dos […]

  51. By Raspberry Pi as GSM phone | Media59.se on April 28, 2014 at 6:35 am

    […] is a link to David Hunt’s DYI very interesting project to build a GSM Phone based on a Raspberry Pi. The project can inspire to various implementations where GPRS may be […]

  52. […] [source: David Hunt] […]

  53. […] The Raspberry Pi — is there anything it can’t do? The tiny computer has helped inventors and hackers create a media streamer, outer space camera, games console and cocktail-mixing robot in its short lifetime, and you can now add cell phone to that impressive list. Linux software engineer David Hunt has put together a working mobile phone using spare parts and a Raspberry Pi, as demonstrated on his blog. […]

  54. […] David Hunt a précisé qu’il était possible qu’il mette gratuitement à disposition son code source sur GitHub, pour cela il suffit de lui en faire la demande ici. […]

  55. […] | Raspberry Pi Más información | David Hunt En Xataka | Cómo montarse una emisora de radio con una Raspberry Pi en dos […]

  56. […] David Hunt has merely created a working cellphone with his, complete with video proof (below). The PiPhone consists of a bunch of off-the-shelf parts, like a PiTFT touchscreen and 2,500mAh battery that cost […]

  57. […] Il l’appelle le PiPhone. […]

  58. […] David Hunt has merely created a working cellphone with his, complete with video proof (below). The PiPhone consists of a bunch of off-the-shelf parts, like a PiTFT touchscreen and 2,500mAh battery that cost […]

  59. […] David Hunt has merely created a working cellphone with his, complete with video proof (below). The PiPhone consists of a bunch of off-the-shelf parts, like a PiTFT touchscreen and 2,500mAh battery that cost […]

  60. […] David Hunt has merely created a working cellphone with his, complete with video proof (below). The PiPhone consists of a bunch of off-the-shelf parts, like a PiTFT touchscreen and 2,500mAh battery that cost […]

  61. […] Dave Hunt, un hacker dans le vrai sens du terme, a construit de ses propres mains un smartphone maison, parfaitement fonctionnel, à partir d’une carte Raspberry Pi à 35€ et de divers autres composants : Un écran petit tactile Adafruit, un module 3G, une batterie et une antenne externe. 115€ pour s’offrir autant de liberté que de plaisir a construire son propre smartphone Jamesbondien. Il ne sera pas aussi sympa que les modèles de grandes marques, pas aussi aboutis que d’autres et surement moins solide ou autonome. Mais c’est un début, un premier pas qui associé avec l’explosion d’autres nouvelles, est un signe de changement dans les possibilités offertes aux particuliers. […]

  62. […] Περισσότερες πληροφορίες για το πώς το κατασκεύασε, δίνει, ωστόσο, ο David Hunt στο προσωπικό του site εδώ. […]

  63. […] David Hunt has merely created a working cellphone with his, complete with video proof (below). The PiPhone consists of a bunch of off-the-shelf parts, like a PiTFT touchscreen and 2,500mAh battery that cost […]

  64. By El smartphone creado a partir de una Raspberry Pi on April 28, 2014 at 11:38 am

    […] Fuente | David Hunt […]

  65. […] Πηγή […]

  66. […] собрать PiPhone сможет практически каждый: Дэвид Хант описывает процесс на своем сайте и готов поделиться […]

  67. […] Περισσότερες πληροφορίες για το πώς το κατασκεύασε, δίνει ο David Hunt στο προσωπικό του site εδώ. […]

  68. […] Der Ire versucht sich aber auch an ungewöhnlichen Bastel-Projekten. Herausgekommen ist zuletzt das PiPhone. Dies ist ein an sich vollwertiges Mobiltelefon, das insgesamt rund 160 US-Dollar (zirka 115 Euro) […]

  69. […] horas Como no podía ser de otro modo, este amasijo de chips con una pantalla táctil se llama PiPhone y es un teléfono completamente funcional. Está formado por un módulo para redes GSM y GPRS que […]

  70. […] no podía ser de otro modo, este amasijo de chips con una pantalla táctil se llama PiPhone y es un teléfono completamente funcional. Está formado por un módulo para redes GSM y GPRS que […]

  71. By iphonote.com on April 28, 2014 at 1:47 pm

    […] Hunt, derrière ce projet, présente sur son site tout son projet et l’accompagne d’une vidéo pour prouver que le téléphone mobile […]

  72. […] Para mais informações, visite o site do projecto. […]

  73. By Raspberry Pi modded into a $160 cellphone | re on April 28, 2014 at 3:11 pm

    […] David Hunt has merely created a working cellphone with his, complete with video proof (below). The PiPhone consists of a bunch of off-the-shelf parts, like a PiTFT touchscreen and 2,500mAh battery that cost […]

  74. By MojAndroid.sk on April 28, 2014 at 3:12 pm

    […] platformy Raspberry Pi, ktorú možno poznáte ako najlacnejší hobby počítač na svete. PiPhone, ako ho autor nazval pozostáva z PiTFT dotykového displeja, Sim900 GSM/GPRS modulu, 2500 mAh […]

  75. By TabeladeCarros.net on April 28, 2014 at 3:38 pm

    […] Para montar o PiPhone, você vai precisar de: […]

  76. By KATHING on April 28, 2014 at 3:52 pm

    […] Den som vill ha ännu större frihet om hur den egna mobilen konfigureras kan bygga den själv. Det har den irländske mjukvaruingenjören David Hunt gjort, skriver han på sin webbplats. […]

  77. […] projecto foi levado a cabo pelo norte-americano David Hunt que decidiu pegar num Raspberry Pi, adicionar-lhe componentes que […]

  78. By Connecting Thing on April 28, 2014 at 5:17 pm

    […] Source […]

  79. By AppNewser on April 28, 2014 at 6:00 pm

    […] has full isntructions on his blog, but we thought you might want to know some specs before heading out to snag a Raspberry Pi to call […]

  80. By Tech News on April 28, 2014 at 6:02 pm

    […] Para montar o PiPhone, você vai precisar de: […]

  81. […] Motorola Atrix 4G Smartphone (10,1 cm (4 Zoll) LED Display, Touchscreen, Android 2.2, 5 Megapixel Kamera) schwarz Neupreis: EUR 139,90 oder gebraucht ab EUR 114,80 75 Kundenbewertungen | Mehr von Motorola GmbH aufrufen → Via Engadget Quelle David Hunt […]

  82. By Smartphone4me on April 28, 2014 at 6:20 pm

    […] PiPhone is a Raspberry Pi based phone designed by a software engineer David Hunt by combining a Raspberry Pi unit with a touchscreen, a GSM phone module and a battery. It was made as a part of a project to test the capabilities of Raspberry Pi mini computer. […]

  83. By Developer-Blog on April 28, 2014 at 8:09 pm

    […] Entwickler und Bastler David Hunt hat auf seinem Blog einen detaillierten Artikel gepostet in dem er von seinem Projekt berichtet. Interessant ist, dass […]

  84. By webguide.net on April 28, 2014 at 8:37 pm

    […] to a home-brew cellphone out of a few store-bought electronics parts. That’s just what David Hunt did. By connecting a RaspPi to a GSM module, a small TFT screen, and a battery, he’s essentially […]

  85. By Computer Viden information on April 28, 2014 at 8:53 pm

    […] Se en grundig beskrivfelse af gør-det-selv-projektet her […]

  86. By Conhecimento computador on April 28, 2014 at 8:55 pm

    […] Para mais informações, visite o site do projecto. […]

  87. By crawlDirectorycom on April 28, 2014 at 8:56 pm

    […] to a home-brew cellphone out of a few store-bought electronics parts. That’s just what David Hunt did. By connecting a RaspPi to a GSM module, a small TFT screen, and a battery, he’s essentially […]

  88. By geekville.com on April 28, 2014 at 9:29 pm

    […] to a home-brew cellphone out of a few store-bought electronics parts. That’s just what David Hunt did. By connecting a RaspPi to a GSM module, a small TFT screen, and a battery, he’s essentially […]

  89. By Computer-web.nl on April 28, 2014 at 9:30 pm

    […] hobbyist bouwde de PiPhone als proof-of-concept, zo schrijft hij. “Het is meer om te zien wat er met een relatief kleine formfactor en met goedkope […]

  90. By infoscape.com on April 28, 2014 at 9:31 pm

    […] to a home-brew cellphone out of a few store-bought electronics parts. That’s just what David Hunt did. By connecting a RaspPi to a GSM module, a small TFT screen, and a battery, he’s essentially […]

  91. By daily1.com on April 28, 2014 at 9:47 pm

    […] to a home-brew cellphone out of a few store-bought electronics parts. That’s just what David Hunt did. By connecting a RaspPi to a GSM module, a small TFT screen, and a battery, he’s essentially […]

  92. By AkimoLux.com on April 28, 2014 at 10:14 pm

    […] amounts to a home-brew cellphone out of a few store-bought electronics parts. That’s just what David Hunt did. By connecting a RaspPi to a GSM module, a small TFT screen, and a battery, he’s essentially […]

  93. By TechCrunch on April 28, 2014 at 10:22 pm

    […] to a home-brew cellphone out of a few store-bought electronics parts. That’s just what David Hunt did. By connecting a RaspPi to a GSM module, a small TFT screen, and a battery, he’s essentially […]

  94. By Digital Gadget dan Selular on April 28, 2014 at 10:31 pm

    […] amounts to a home-brew cellphone out of a few store-bought electronics parts. That’s just what David Hunt did. By connecting a RaspPi to a GSM module, a small TFT screen, and a battery, he’s essentially […]

  95. By Computer kennis en informatie on April 28, 2014 at 10:35 pm

    […] Het knutselproject heet de PiPhone, en heeft naast een PiTFT-touchscreen ook een batterij met 2,500mAh en een simkaarthouder, waardoor het apparaat ook echte telefoontjes kan plegen. […]

  96. By Gizmodo Australia on April 29, 2014 at 12:30 am

    […] of patience. Pretty it may not be, but it sure does work; it’s really quite a feat. You can read how to make it here. [David Hunt via Kotaku […]

  97. […] no podía ser de otro modo, este amasijo de chips con una pantalla táctil se llama PiPhone (en inglés) y es un teléfono completamente […]

  98. […] Para montar o PiPhone, você vai precisar de: […]

  99. By Pocket Purge - 4.28.14 | Eric Nitschke on April 29, 2014 at 2:39 am

    […] PiPhone: DIY A Raspberry Pi based Smartphone (David Hunt): […]

  100. By Standard News on April 29, 2014 at 2:59 am

    […] to a home-brew cellphone out of a few store-bought electronics parts. That’s just what David Hunt did. By connecting a RaspPi to a GSM module, a small TFT screen, and a battery, he’s essentially […]

  101. By PiPhone Project on April 29, 2014 at 3:51 am

    […] 新聞來源:PiPhone – A Raspberry Pi based Smartphone […]

  102. By TECNOLOGIA Y NOTICIAS on April 29, 2014 at 6:03 am

    […] horas Como no podía ser de otro modo, este amasijo de chips con una pantalla táctil se llama PiPhone y es un teléfono completamente funcional. Está formado por un módulo para redes GSM y GPRS que […]

  103. […] Pi single board computer in the right hands can create amazing DIY gizmos, and this PiPhone is one example of the capabilities of Raspberry Pi. David Hunt got the idea of making a cell phone […]

  104. By All that All on April 29, 2014 at 7:28 am

    […] 이름을 붙였다. 데이비드 헌트 개발자의 블로&…에 파이폰이 자세히 소개돼 […]

  105. By netgueko on April 29, 2014 at 9:02 am

    […] Sitio oficial:Haz clic aquí […]

  106. By Блог Imena.UA on April 29, 2014 at 9:05 am

    […] телефона признаёт, что его конструкция не лишена недостатков. […]

  107. By Unofficial of Raspberry Pi Fan in Thailand on April 29, 2014 at 9:14 am
  108. […] to a home-brew cellphone out of a few store-bought electronics parts. That’s just what David Hunt did. By connecting a RaspPi to a GSM module, a small TFT screen, and a battery, he’s essentially […]

  109. By Stuff on April 29, 2014 at 10:44 am

    […] now you can make calls with it, too, thanks to David Hunt’s PiPhone. The intrepid engineer has packed an Adafruit PiTFT touchscreen, 2500mAh battery […]

  110. By Androidmag.de on April 29, 2014 at 11:01 am

    […] Adafruit, David Hunt (via: Mobiflip, […]

  111. By TechCabal on April 29, 2014 at 11:13 am

    […] to speak, of what is geekily possible with the hobbyist-class Raspberry Pi computer. His name is David Hunt and he has built a mobile phone that can actually make phone […]

  112. By ITMoldova on April 29, 2014 at 11:45 am

    […] și cu acces la componentele necesare, orice doritor poate asambla un PiPhone: David Hunt descrie procesul pe site-ul său și este gata să ofere mai multe informații persoanelor […]

  113. By PiPhone: A DIY Raspberry Pi Cellphone | MAKE on April 29, 2014 at 12:34 pm

    […] Compute Module, software engineer and Raspberry Pi enthusiast Dave Hunt made a lot of headway with his own Raspberry Pi-based cellphone. By sandwiching together a Raspberry Pi Model B, TFT touch screen, a lithium polymer battery, and […]

  114. […] ! کدوم یکی از ما به تنهایی می تونه یک تلفن همراه بسازه؟ دیوید هانت ظاهرا می تونه.. حداقل در سطح اینکه یک صفحه لمسی آدافروت […]

  115. By PiPhone: A Raspberry Pi Powered DIY Cellphone on April 29, 2014 at 1:15 pm

    […] Source: David Hunt […]

  116. By EZiWireless on April 29, 2014 at 3:14 pm

    […] really clever individual going by the name of David Hunt pulled together a few off-the-shelf parts and put them together to make a touchscreen phone based on […]

  117. […] Via: David Hunt Photography […]

  118. […] David Hunt hat ein Smartphone auf Basis des britischen Minicomputers Raspberry Pi entwickelt. Er nennt es PiPhone und rechnet in seinem Blog vor, etwa 158 Dollar ausgegeben zu […]

  119. […] le réaliser, son concepteur, David Hunt, a utilisé un Raspberry Pi B (c’est donc un smartphone avec port Ethernet, ce qui est assez […]

  120. By Wicked Geeks on April 29, 2014 at 7:55 pm

    […] is why I love the maker movement so much, they create such awesome things. Like David Hunt, hacker extraordinaire, who built a cellphone using off-the-shelf components and powered it with a […]

  121. By FGR* Blog on April 29, 2014 at 7:57 pm

    […] http://www.raspberrypi.org | www.davidhunt.ie | blog.everpi.net […]

  122. […] via DavidHunt […]

  123. […] Raspberry Pi unit (or planning on acquiring one) and are feeling really geeky, he has written a very detailed guide so anyone can build a PiPhone […]

  124. By Raspberry PiPod on April 30, 2014 at 4:32 pm

    […] communications to the mobile network and he’s using a PiTFT screen for the user interface. Take a look at this – it’s brilliant! He has also released the source code […]

  125. […] smartphone designed by David Hunt is a DIY project based on the Raspberry Pi, it goes by the name of the PiPhone and was designed […]

  126. […] atrás un entusiasta de Raspberry Pi creo un Smartphone casero usando un RasPi y lo ha llamado PiPhone. El costo total para crear este prototipo fue cerca de US$158 ($300.000). El teléfono fue creado […]

  127. […] you can see, the project was very inexpensive to design and David will upload the software he created to GitHub for those interested in reproducing his creation. However be […]

  128. […] Module, software engineer and Raspberry Pi enthusiast Dave Hunt made a lot of headway with his own Raspberry Pi-based cellphone. By sandwiching together a Raspberry Pi Model B, TFT touch screen, a lithium polymer battery, and […]

  129. […] Источник […]

  130. By DERBSELLICON on May 1, 2014 at 9:14 pm

    […] PiPhone tels que Dave Hunt l’appelle, n’est pas un smartphone sophistiqué, mais il a un écran tactile et beaucoup de features, aussi plus qu’un téléphone mobile du marché. […]

  131. […] detailed description of the project is available on David Hunt’s blog. The code is available on […]

  132. […] remarkably, Dave Hunt’s PiPhone is even constructed entirely from bits available off the shelf, so if you wanted to have a […]

  133. […] SIM900 GSM/GPRS module. All suitably powered by a DC-DC conveyer and a Lithium Polymer battery. See my site for more information. Source code at github” (read […]

  134. […] SIM900 GSM/GPRS module. All suitably powered by a DC-DC conveyer and a Lithium Polymer battery. See my site for more information. Source code at github” (read […]

  135. […] | Raspberry Pi Más información | David Hunt En Xataka | Cómo montarse una emisora de radio con una Raspberry Pi en dos […]

  136. […] PiPhone – A Raspberry Pi based Smartphone. […]

  137. […] You can find more info here. […]

  138. […] Hunt in the inventor of the Raspberry Pi based smartphone that has gone viral on YouTube, with nearly 1/2 million views in only a few days, and now been seen […]

  139. […] Dave Hunt […]

  140. […] David Hunt has merely created a working cellphone with his, complete with video proof (below). The PiPhone consists of a bunch of off-the-shelf parts, like a PiTFT touchscreen and 2,500mAh battery that cost […]

  141. […] Limerickman David Hunt announced his latest DIY project on his blog in the last week of April he was hardly expecting the response that followed. His YouTube video racked up nearly half a […]

  142. […] Bom é isso se quiser sabe mais sobre esse poderoso aparelho acesse davidhunt.ie […]

  143. By PiPhone » Poupar Melhor on May 9, 2014 at 9:01 am

    […] que seja é motivo de alegria também para mim e por isso lá fui como os outros todos ler o que o senhor David Hunt tinha andado a […]

  144. […] village are also embedded systems engineers — such as Dave Hunt, who’s published a shopping list of off-the-shelf components on his blog that allows anyone to cobble together their possess Pi-based smartphone for around […]

  145. […] PiPhone – A Raspberry Pi based Smartphone 売ってる部品で手作りした携帯電話、PiPhone | GIGAMEN ギガメン […]

  146. […] hardware e software. Tra i mille ed uno impieghi possibili per Raspberry Pi, Massimo ci propone il progetto dell’irlandese Dave Hunt che realizza il PiPhone: un vero e proprio smartphone basato su Raspberry Pi, un display touch-screen ed un modulo […]

  147. […] kreativen Ideen sind keine Grenzen gesetzt. David Hunt hat aus einem Raspberry Pi ein funktionstüchtiges Natel gebaut (Dank an Ferhat […]

  148. […] David Hunt has merely created a working cellphone with his, complete with video proof (below). The PiPhone consists of a bunch of off-the-shelf parts, like a PiTFT touchscreen and 2,500mAh battery that cost […]

  149. […] smartphone designed by David Hunt is a DIY project based on the Raspberry Pi, it goes by the name of the PiPhone and was designed […]

  150. […] via PiPhone – A Raspberry Pi based Smartphone. […]

  151. By Raspberry Pi telefon - Gadget24.dk on May 18, 2014 at 7:29 am

    […] Læs mere på David’s hjemmeside: www.davidhunt.ie […]

  152. […] Heaps of Rapsberry Pi goodness was the demo of the PiPhone by David Hunt. A phone built from Raspberry Pi and other components. A bit clunky, but it works. And while the […]

  153. […] PiPhone – A Raspberry Pi based Smartphone – RPi+2,8” LCD + GSM+batt […]

  154. […] By Jon Brodkin David Hunt […]

  155. […] Há quem possa dizer que o trabalho que Hunt teve para montar o celular não se justifica, até pelo fato de que ele poderia comprar um aparelho pé-de-boi por menos do que ele gastou (os Asha na Nokia, por exemplo). Ele concorda, mas acrescenta: “onde está a diversão nisso?” […]

  156. […] PiPhone – A Raspberry Pi based Smartphone [David Hunt via Raspberry Pi] […]

  157. […] Published April 25, 2014 David Hunt […]