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Blog BBC micro:bit initiative – Design to Production in Practice
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Engagement
  • Author Author: Former Member
  • Date Created: 7 Jul 2015 9:21 AM Date Created
  • Views 669 views
  • Likes 8 likes
  • Comments 6 comments
  • micro:bit
  • micro_bit
  • education
  • bbc
  • microbit
  • bbc_micro_bit
  • stem space
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BBC micro:bit initiative – Design to Production in Practice

Former Member
Former Member
7 Jul 2015

imageimage

 

Today the BBC unveiled the design of the BBC micro:bit, part of the BBC’s Make it Digital initiative, at an event for its partners in London. element14 is a major partner in the project to produce one million BBC micro:bit to be gifted to each Year 7 (or equivalent) aged children in the UK in the Autumn.  What is the micro:bit - watch this BBC video for more information.

 

imageimage

Tony Hall Director General of the BBC kicked off proceedings                                  Sinead Rocks, BBC Head of Learning unveils partners

 

element14 plays an important role in the partnership because of our proven expertise in managing similar projects designing and manufacturing development kits for similar projects in our strategic alliance program.  This project is a great example of the activity required to bring a new board to market.

 

element14 became aware of the project back in February 2015 and put forward a proposal to support with the design, cost optimisation and manufacturing of the board. At this stage there were a number of unknowns and element14 was invited to engineer away this uncertainty acting as arbitrator between the needs of the working group and the practicalities of manufacture.  Our role in the project is is to take the prototypes for the BBC micro:bit based on the ARM mbed reference designs in the mbed Hardware Development Kit (HDK) and optimize them for mass manufacturing. 

 

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Design

Internally and through acquisition partners we have the skills and expertise to bring a board like the BBC micro:bit to market.  The initial design called for a complex and expensive routed design. However, because of the quality of element14’s V-score process, the cost of the board was able to be significantly reduced, without sacrificing the quality of the finish.

 

Visual appearance was also important on this board.  In most development kit designs the appearance is secondary to the functionality but as this board is aimed at children it needed to be both functional and friendly.  element14 worked with the BBC, ARM, Microsoft and design company Technology Will Save Us to understand the aesthetic and usability considerations of the board, and assist with realising the manufacturing realities behind these design decisions.

 

image

 

Cost Optimisation

Cost optimisation is key to all board designs.  Suppliers will have an idea of cost and retail price per board before the project starts.  In this case the BBC was aiming to reduce the cost of the board to a point where, through the contributions and donations of the projects’ partners, the board would be provided at zero cost to every 11 and 12 year old in the country.  To assist in this, element14 was able to use its considerable influence with various supplier partners to leverage economies of scale to benefit this project.  This is possible in higher volume production runs, but with smaller projects this can be more difficult.  This economy of scale is applied to all our development kit designs to ensure the boards are created to be commercially viable.

 

image

Dara O'Briain Introduces the new BBC micro:bit

 

Manufacturing

The project has to be manufacturable at scale.  We were able to work with our many manufacturing partners to find a suitable organisation to manufacture the board in the quantities that are required, and within the aggressive timelines of the project.  In this case we are working with IO Note in China.

 

As the design was being created in the UK, to avoid unnecessary delay, initial prototypes were manufactured in the UK. This allowed the partners testing early prototypes and writing the key software components to to de-bug quickly and move onto the next stages of the design; we call this quick turn manufacturing. Once the prototype is approved the next step is to manufacture a first batch of 10 – 20,000 boards, which will be sent to early adopters to test.

 

Final mass production will occur shortly after and the million boards should be in schools in the autumn.

 

Gary Atkinson, Director of Emerging Technologies at ARM said: “The BBC micro:bit will prove a huge hit with young people as the uses it can be put to are truly exciting, including creating new Internet of Things devices. Ultimately it’s success will also depend on its life beyond the 2015/16 rollout, and the original micro:bit design by ARM and its partners combined with the optimization excellence of element14 has ensured it is a highly affordable product that can create a niche for itself in the education market.”

 

image

 

You can see from this very short snapshot that there are many layers to designing and manufacturing a new board. Hopefully you can also see how element14 has supported managing the manufacture of a project in time and at cost through its considerable market experience.  Our role in this project as well as those with our strategic partners is to turn the initial idea into a manufacturable reality.

 

image

The element14 team with Dara O'Briain

L-R Elena Guseva, Mike Powell, me (Richard Curtin), Dara O'Briain, Jonathan Smith

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Top Comments

  • shabaz
    shabaz over 7 years ago +1
    Thanks so much for the behind-the-scenes information on this project and the decisions made. What a fantastic, collaborative project. I love that ARM is also a partner, so that presumably technology from…
  • balearicdynamics
    balearicdynamics over 7 years ago +1
    I know BBC by years and I have always appreciated their general approach to the electronics oriented to all. When the world of "Makers" and all the recently born words that are so liked by the last generations…
  • Workshopshed
    Workshopshed over 7 years ago

    I was thinking about some kind of demo of the compass and I/O and lights mimicking a "South Facing Chariot" but I looked at the deadlines and they are just a bit tight for me.

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  • element14Dave
    element14Dave over 7 years ago

    Interested in the micro:bit? We're giving away 5 to be RoadTested! Click here to apply.

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  • Workshopshed
    Workshopshed over 7 years ago

    The IET education team will be working on this exciting project to produce a range of teaching resources, events and teacher CPD to promote this coding device and encourage its use both in school and at home as the students will be able to keep their coding device and take it home to carry on the learning with their parents. The events are to include a series of off-timetable, STEM challenge days that will include some training on the devices as well as encourage creativity, team working, problem solving and the application of the technology to real-life situations.

     

    IET partners with BBC for Make it Digital Campaign

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  • balearicdynamics
    balearicdynamics over 7 years ago

    I know BBC by years and I have always appreciated their general approach to the electronics oriented to all. When the world of "Makers" and all the recently born words that are so liked by the last generations. By one side seeing this announcement it's a great and welcome surprise but seeing the brand from where it originated ... It's like something that had to be expected. Really a great idea very well done and perfectly oriented to the specific target.

    If I have the option to put the hands on one of these one of the better things - as far as I remember what I was doing when I was 12 - is the creation of a set of simple applications for play-hacking games in a very simple way with the small board. And the same as some nice Android app games for gaming interaction with the board.

     

    Enrico

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  • Former Member
    Former Member over 7 years ago

    Thanks for this, Richard! The micro:bit looks very exciting and, as a secondary computing teacher, I can't wait to start using them with my classes in October. It's really interesting to hear the work element14 have been doing to get this to us in such a short time frame!

     

    I'm really interested in adding hardware to the micro:bit and I was trying to track down a suitable edge connector on farnell.co.uk ... it looks like it's a 2 x 40 way connector with a pitch of 1.27mm and no key but the nearest I can find is one with a key and no end pieces. Do you have a suitable connector or will there be one in the future? Thanks!

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