element14 Community
element14 Community
    Register Log In
  • Site
  • Search
  • Log In Register
  • Community Hub
    Community Hub
    • What's New on element14
    • Feedback and Support
    • Benefits of Membership
    • Personal Blogs
    • Members Area
    • Achievement Levels
  • Learn
    Learn
    • Ask an Expert
    • eBooks
    • element14 presents
    • Learning Center
    • Tech Spotlight
    • STEM Academy
    • Webinars, Training and Events
    • Learning Groups
  • Technologies
    Technologies
    • 3D Printing
    • FPGA
    • Industrial Automation
    • Internet of Things
    • Power & Energy
    • Sensors
    • Technology Groups
  • Challenges & Projects
    Challenges & Projects
    • Design Challenges
    • element14 presents Projects
    • Project14
    • Arduino Projects
    • Raspberry Pi Projects
    • Project Groups
  • Products
    Products
    • Arduino
    • Avnet & Tria Boards Community
    • Dev Tools
    • Manufacturers
    • Multicomp Pro
    • Product Groups
    • Raspberry Pi
    • RoadTests & Reviews
  • About Us
    About the element14 Community
  • Store
    Store
    • Visit Your Store
    • Choose another store...
      • Europe
      •  Austria (German)
      •  Belgium (Dutch, French)
      •  Bulgaria (Bulgarian)
      •  Czech Republic (Czech)
      •  Denmark (Danish)
      •  Estonia (Estonian)
      •  Finland (Finnish)
      •  France (French)
      •  Germany (German)
      •  Hungary (Hungarian)
      •  Ireland
      •  Israel
      •  Italy (Italian)
      •  Latvia (Latvian)
      •  
      •  Lithuania (Lithuanian)
      •  Netherlands (Dutch)
      •  Norway (Norwegian)
      •  Poland (Polish)
      •  Portugal (Portuguese)
      •  Romania (Romanian)
      •  Russia (Russian)
      •  Slovakia (Slovak)
      •  Slovenia (Slovenian)
      •  Spain (Spanish)
      •  Sweden (Swedish)
      •  Switzerland(German, French)
      •  Turkey (Turkish)
      •  United Kingdom
      • Asia Pacific
      •  Australia
      •  China
      •  Hong Kong
      •  India
      •  Japan
      •  Korea (Korean)
      •  Malaysia
      •  New Zealand
      •  Philippines
      •  Singapore
      •  Taiwan
      •  Thailand (Thai)
      •  Vietnam
      • Americas
      •  Brazil (Portuguese)
      •  Canada
      •  Mexico (Spanish)
      •  United States
      Can't find the country/region you're looking for? Visit our export site or find a local distributor.
  • Translate
  • Profile
  • Settings
Personal Blogs
  • Community Hub
  • More
Personal Blogs
John Alexander's Blog
  • Blog
  • Documents
  • Mentions
  • Sub-Groups
  • Tags
  • More
  • Cancel
  • New

John Alexander's Blog

  • Tags
  • Subscribe by email
  • More
  • Cancel
  • Juana Knits the Planet - The World's Smallest Comic

    Problemchild
    Problemchild
    Just a quick one had this nice video sent to me and I thought I would share it. A Comic etched onto a human hair demonstrating micro machining technology www.youtube.com/watch EHSM the DIY and Open Source conference sounds like quite a...
    • 5 May 2014
  • Magnetically Actuated Micro-Robots

    Problemchild
    Problemchild
    Found this little bit of fun wondering the Nets.Magnetically controlled robots from SRI ...Coolwww.youtube.com/watch
    • 23 Apr 2014
  • Odroid U3 power measurements

    Problemchild
    Problemchild
    I have a good few Odroid U3  SBCs I'm currently evaluating.During this process I have been taking current measurements frommy bench supply whilst getting the U3 to perform various painful tasks such as 1080pvideo playback and CPUBURN on 1,2,3 &a...
    • 6 Apr 2014
  • Detecting dirty dishes with a Beagle Bone

    Problemchild
    Problemchild
    Just a quick one here,I was rather taken with the total over the topness of this solution. Apparently members of London Hackerspace are using a BBB+camera and Open CV to check the contents of theirwashing up bowl!!Just the job for us lazy engine...
    • 14 Mar 2014
  • Yet mo' FOSDEM- Use the Video Resources!!

    Problemchild
    Problemchild
    OK .OK ..had enough FOSDEM  Didn't go but find the idea appealing or did go but couldn't even get in to some of the talks thentry out the video resources. For years they have videoed an increasing number of the talksthis year even more than ever...
    • 9 Feb 2014
  • Fedora supports 3D printers out of the Box ...Cool

    Problemchild
    Problemchild
    One nice bit of information I got out of the Fosdem trip was thatFedora supports 3D printers straight out of the box, in fact  they have since F19 so I totally missed that one!!The Fedora stand had gone totally 3DPrinter crazy  with at leas...
    • 9 Feb 2014
  • Benjamin Cabe's IOT demonstration, Eclipse Stand, FOSDEM'14

    Problemchild
    Problemchild
    First of a few pictures and vids I managed to take at FOSDEM Benjamin CabeShows us his IOT demo at the Eclipse Stand, check out the Google Glass beenused to control the toy Greenhouse(Link below for build data!).www.youtube.com/watchSorry for the cam...
    • 6 Feb 2014
  • HackRF Present and Future

    Problemchild
    Problemchild
    I'm currently waiting for my HackRF to arrive via the Kickstarter so I recently received  anice update report showing what folk are doing with the HackRF Jawbreaker which is thedevelopment release of the Hack RF.https://vimeo.com/81334997 H...
    • 20 Jan 2014
  • Sinclair QL is 30 this year

    Problemchild
    Problemchild
    Since I have made lots of friends in the QL community I'm very happy to say that  the QL is now 30Based on the 8bit version of the 68K the 68008 and 128K of RAM it opened a whole range of3rd party hardware/software and still after all this time ...
    • 17 Jan 2014
  • Barbie Power Wheels as Impovised Weapon

    Problemchild
    Problemchild
    I saw this on the BBC??? it shows  that there's nothing new in re-using even the most banal of tech likea kid's toy into a technical weapon...Here's more on Gizmodo www.youtube.com/watch
    • 10 Jan 2014
  • Linux-powered rifle brings “auto-aim” to the real world

    Problemchild
    Problemchild
     The Idea of gun totting penguins comes to mind but this is the real thing a $17K rifle from acompany from Austin Tx called Trackingpoint  View Through the Sight  The aiming system actually makes the pressure required to pull the ...
    • 9 Jan 2014
  • FOSDEM 2014 Who's coming ?

    Problemchild
    Problemchild
    Is here again 1st and 2nd of Feb in BrusselsAs they say 400+Lectures and 5000+ attendees. FOSDEM is huge and has topics from Open source Mappingto Linux to ARM64 to Big Data to social issues. I'm going  but who else is from the Element 14 commun...
    • 8 Jan 2014
  • Unboxing of the Ciseco RasWIK experimenters kit for the Raspberry PI

    Problemchild
    Problemchild
    We have had this RasWIK kit from Ciseco fro a while now and now Christmas has come finally I have timeto have a go opening the kit up and going through the online instructions for the first 17 or so pre-workedexperiments and the further guided projec...
    • 27 Dec 2013
  • Arduino Workshops @Edinburgh Hackerspace in January '14

    Problemchild
    Problemchild
    If you are in the area of Edinburgh Hackerspace you may fancy dragging one of your technophobe relatives to one of the Arduino Workshops been held in January. Soldering Workshop: Saturday 11th January 2:30 – 5pm£18/20<http://edinsolder-ml.eve...
    • 26 Dec 2013
  • PIFace Control & Display Tear Down

    Problemchild
    Problemchild
    Currently involved  with the rather fun PiNoir & Santa Catcher Challenge oneof the main Components for the Challenge Kit is the PIFace Control & DisplayWe wanted to know what's inside and what's connected to what but unfortunatel...
    • 25 Dec 2013
  • Derby Makerfaire 2013

    Problemchild
    Problemchild
    Had a great time at the Derby Makerfaire this weekend and as usual took a load of video of the various exhibits and tradershope you like the general theme. If you are from the area or can get down to the next one it will definitely be worth a visit.&...
    • 25 Nov 2013
  • Arrivals

    Problemchild
    Problemchild
    Just checked my mail  and after a long wait my EEVBLOG Ruler has arrived   Thanks Dave
    • 11 Nov 2013
  • Multi Controller base Plate for PI, BBB, Arduino and Many Friends!!

    Problemchild
    Problemchild
    Hi all just been working on a rather nice simple bit of kit that hopefully will help keep our projects together in one piece.I produce cases etc for several SBCs such as the ODROID familay and the Raspberry Pi as such I have a whole swathe of toys th...
    • 13 Oct 2013
  • Cambridge Raspberry Jam Sept '13

    Problemchild
    Problemchild
    Managed to get a ticket to last weeks Cambridge Raspberry Jam which seems to be held semi regular every 3 months!!This particular Jam is particularly well supported and tickets always sell out fast.This is not that supprising as you get a large selec...
    • 29 Sep 2013
  • Magical-Marionette Marika

    Problemchild
    Problemchild
    Just had this Robot video "pushed " to me via the Y'tube.Normally these 'bots are rather limited but a 5* budget of $20K has made quite a neat Job! www.youtube.com/watch  www.youtube.com/watch   And Marika at the 23rd Ro...
    • 23 Sep 2013
  • Wuthering Bytes 2013/OSHUG

    Problemchild
    Problemchild
    This weekend  we had the oppotunity to travel to Wuthering Bytes held at Hebden Bridge, Yorkshire.Wuthering bytes was a two day event Saturday was the talks and Sunday the workshops. Wuthering Bytes "A Weekend Festival of Technology In the ...
    • 16 Sep 2013
  • Raspberry Pi Thermal Video

    Problemchild
    Problemchild
    My mate's Raspberry PI is somewhat faulty and crashes once it gets warm or the likesso I decided to use my FLIR i7(new toy spoiler )  to video it during booting XBMC,then again playing some videos off the USB stick. note that during all of this ...
    • 25 Aug 2013
  • WITCH aka Harwell Dekatron

    Problemchild
    Problemchild
    Whilst still on the historical bent here's a short  video I took of the WITCH/Harwell Dekatron  which is the oldest working stored program computer.Again you can visit it at The National Museum of Computing at Bletchley Park. I just lo...
    • 21 Aug 2013
  • Colossus @ Bletchley Park

    Problemchild
    Problemchild
    This is the tour around Bletchley Park and took in all the old school Crypto stuff including a trip around  The National Meuseum of Computing.There are 100's of small exhibits there but one ofo the best is the  Colossus the worlds first ele...
    • 20 Aug 2013
  • September 1st 2013 – LUG table at the TDARS Hamfest event

    Problemchild
    Problemchild
    Shropshire LUG carry the message about Linux and Open Source to the public again this SeptemberThe group has a table to show Linux, open source software and  hardware to radio amateurs and others attending the Telford Hamfest  organised by ...
    • 9 Aug 2013
<>
element14 Community

element14 is the first online community specifically for engineers. Connect with your peers and get expert answers to your questions.

  • Members
  • Learn
  • Technologies
  • Challenges & Projects
  • Products
  • Store
  • About Us
  • Feedback & Support
  • FAQs
  • Terms of Use
  • Privacy Policy
  • Legal and Copyright Notices
  • Sitemap
  • Cookies

An Avnet Company © 2026 Premier Farnell Limited. All Rights Reserved.

Premier Farnell Ltd, registered in England and Wales (no 00876412), registered office: Farnell House, Forge Lane, Leeds LS12 2NE.

Follow element14

  • X
  • Facebook
  • linkedin
  • YouTube