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438 discussions

Fwd: reg:"FOSS LAB & OSH"
by Raja Rajan 24 Jul '13

24 Jul '13

Greetings, Hi friends , happy to be a part of you all !. . . i am willing to contribute the implementation of Embedded linux and Android and other open source tools for applications related to EEE,ECE,E&I engineering students and stuffs. Help to enrich my content with your suggestions and comments. -- With regards, Rajarajan.E, Chief Executive Officer/Technical Director, Industrial And Consumer Electronics R&D Department, Bluetronics Inc, No.8,Satya complex, karumandapam, Trichy. Tamil Nadu,India. http://bluetronics.co.in phone: +91-9791-838-816

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Spaaaaaaaace!
by Andy Bennett 23 Jul '13

23 Jul '13

Hi, A friend of mine has set up this meetup: http://citizeninventor.eventbrite.co.uk/ ----- In our first meetup, we will try to whirlwind through what is already do-able and help to motivate you (if you are not already motivated) to get hacking with space. The line up will be announced closer to date. Expect info around CubeSAT and a bit on the wider economy of the space industry! PS: If you or someone you know would like to present or participate in our lightening talks for future events, please get in touch at contactme at citizen inventor dot com. It is the goal of this group to help spread the love and knowledge on space and environment hacking! ----- It looks cool so I strongly recommend it! Regards, @ndy -- andyjpb(a)ashurst.eu.org http://www.ashurst.eu.org/ 0x7EBA75FF

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Adrian Bowyer (RepRap), Wed 2nd October.
by Andrew Back 23 Jul '13

23 Jul '13

Hello, Just a quick heads-up that we'll be hosting a joint event with the BCS OSSG in October, at which Adrian Bowyer of RepRap fame will be presenting, along with our very own Alan Wood. The website will be updated in due course, however, registration is now open and as spaces are limited and likely to go quickly, early booking is highly recommended! https://events.bcs.org/book/740/ Cheers, Andrew

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Re: [oshug] Arduino help needed
by Jeremy Bennett 08 Jul '13

08 Jul '13

On 05/07/13 08:04, Paul Tanner wrote: > Hi Guys, > > I cheated and used node.js with a module called node-serial. I > discovered that you need to disconnect the serial port from the console > before you can use it (edits to /etc/inittab and /boot/cmdline.txt). I > imagine you'd need to do this in a python environment too. minicom was > very useful for prodding the serial device to make sure it was working > before I pointed my program at it. > > Regards, Paul Hi Paul, Omer, Andrew, Thanks for all the suggestions. It was all much easier than I thought, once I realized that the USB serial terminal is /dev/tty/ACM<n>, not /dev/tty/USB<n> when using Arduino Uno. It is trivial to use stty to set the line parameters and implement a simple C++ class to access the serial line on the host. Code on GitHub at: https://github.com/embecosm/esp9-arduino-facetracker I don't know if the face tracker works yet - the servos are lost in the post. But at least the Uno is getting some sort of serial data. Best wishes, Jeremy > At 06:38 PM 7/4/2013, Omer Kilic wrote: >> Hi Jeremy, >> >> This is a good starting point: >> http://playground.arduino.cc/interfacing/python >> >> pySerial documetation available here: http://pyserial.sourceforge.net/ >> >> >> HTH, >> Omer. >> >> On 4 July 2013 18:17, Jeremy Bennett <jeremy.bennett(a)embecosm.com> wrote: >> > I need some help from one of you Arduino gurus. >> > >> > I want to talk to the Arduino serial interface from a Fedora Linux >> system. I >> > know how to do the Arduino side, using Serial.available, Serial.read, >> > Serial.write etc. >> > >> > My problem is how to talk from the Linux end. All the examples I see >> are >> > Windows based and use Thierry Schneider's Serial C++ Library for >> Win32. What >> > do I use as the Linux equivalent? >> > >> > It's not as simple as just writing the the Linux device (in this case >> > /dev/bus/usb/004/081). I suspect I need something rather cleverer, >> but I >> > don't know what it is. >> > >> > Any help much appreciated. I'm trying to help a youngster set up an >> Arduino >> > based face tracker, driven by OpenCV face detection on the Linux box. >> > >> > Thanks, >> > >> > >> > Jeremy >> > >> > -- >> > Tel: +44 (1590) 610184 >> > Cell: +44 (7970) 676050 >> > SkypeID: jeremybennett >> > Twitter: @jeremypbennett >> > Email: jeremy.bennett(a)embecosm.com >> > Web: www.embecosm.com >> > >> > _______________________________________________ >> > oshug mailing list >> > oshug(a)oshug.org >> > http://oshug.org/cgi-bin/mailman/listinfo/oshug >> >> _______________________________________________ >> oshug mailing list >> oshug(a)oshug.org >> http://oshug.org/cgi-bin/mailman/listinfo/oshug > > Paul Tanner - Virtual Technologies - http://www.virtual-techno.com > Tel: +44 1494 581979 Mob: +44 7973 223239 mailto:paul@virtual-techno.com > > _______________________________________________ > oshug mailing list > oshug(a)oshug.org > http://oshug.org/cgi-bin/mailman/listinfo/oshug -- Tel: +44 (1590) 610184 Cell: +44 (7970) 676050 SkypeID: jeremybennett Twitter: @jeremypbennett Email: jeremy.bennett(a)embecosm.com Web: www.embecosm.com

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Re: [oshug] Arduino help needed
by Paul Tanner 05 Jul '13

05 Jul '13

Hi Guys, I cheated and used node.js with a module called node-serial. I discovered that you need to disconnect the serial port from the console before you can use it (edits to /etc/inittab and /boot/cmdline.txt). I imagine you'd need to do this in a python environment too. minicom was very useful for prodding the serial device to make sure it was working before I pointed my program at it. Regards, Paul At 06:38 PM 7/4/2013, Omer Kilic wrote: >Hi Jeremy, > >This is a good starting point: http://playground.arduino.cc/interfacing/python > >pySerial documetation available here: http://pyserial.sourceforge.net/ > > >HTH, >Omer. > >On 4 July 2013 18:17, Jeremy Bennett <jeremy.bennett(a)embecosm.com> wrote: > > I need some help from one of you Arduino gurus. > > > > I want to talk to the Arduino serial interface from a Fedora > Linux system. I > > know how to do the Arduino side, using Serial.available, Serial.read, > > Serial.write etc. > > > > My problem is how to talk from the Linux end. All the examples I see are > > Windows based and use Thierry Schneider's Serial C++ Library for > Win32. What > > do I use as the Linux equivalent? > > > > It's not as simple as just writing the the Linux device (in this case > > /dev/bus/usb/004/081). I suspect I need something rather cleverer, but I > > don't know what it is. > > > > Any help much appreciated. I'm trying to help a youngster set up an Arduino > > based face tracker, driven by OpenCV face detection on the Linux box. > > > > Thanks, > > > > > > Jeremy > > > > -- > > Tel: +44 (1590) 610184 > > Cell: +44 (7970) 676050 > > SkypeID: jeremybennett > > Twitter: @jeremypbennett > > Email: jeremy.bennett(a)embecosm.com > > Web: www.embecosm.com > > > > _______________________________________________ > > oshug mailing list > > oshug(a)oshug.org > > http://oshug.org/cgi-bin/mailman/listinfo/oshug > >_______________________________________________ >oshug mailing list >oshug(a)oshug.org >http://oshug.org/cgi-bin/mailman/listinfo/oshug Paul Tanner - Virtual Technologies - http://www.virtual-techno.com Tel: +44 1494 581979 Mob: +44 7973 223239 mailto:paul@virtual-techno.com

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Arduino help needed
by Jeremy Bennett 04 Jul '13

04 Jul '13

I need some help from one of you Arduino gurus. I want to talk to the Arduino serial interface from a Fedora Linux system. I know how to do the Arduino side, using Serial.available, Serial.read, Serial.write etc. My problem is how to talk from the Linux end. All the examples I see are Windows based and use Thierry Schneider's Serial C++ Library for Win32. What do I use as the Linux equivalent? It's not as simple as just writing the the Linux device (in this case /dev/bus/usb/004/081). I suspect I need something rather cleverer, but I don't know what it is. Any help much appreciated. I'm trying to help a youngster set up an Arduino based face tracker, driven by OpenCV face detection on the Linux box. Thanks, Jeremy -- Tel: +44 (1590) 610184 Cell: +44 (7970) 676050 SkypeID: jeremybennett Twitter: @jeremypbennett Email: jeremy.bennett(a)embecosm.com Web: www.embecosm.com

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Preparing for Parallella, Sunday 21st July, Bletchley Park.
by Andrew Back 26 Jun '13

26 Jun '13

Hello, Parallella backers on the list may be interested in an event that Embecosm is hosting at the National Museum of Computing at Bletchley Park on Sunday 21st July: http://www.embecosm.com/2013/06/26/preparing-for-parallella-sunday-21st-jul… Cheers, Andrew

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PCBmodE talk followup
by Saar Drimer 20 Jun '13

20 Jun '13

Hello everyone! Many thanks for the feedback after my talk. I hope you enjoyed it ;) Here's some links for more information on the project and what I spoke about: http://www.boldport.com http://boldport.blogspot.com and the video I showed is here: http://www.youtube.com/watch?v=O8qIpbn4Dds The code for the software is here: http://bitbucket.org/boldport/pcbmode I'm interested in ideas of where this kind of stuff can be useful, so please do not hesitate to contact me with your thoughts! cheers, saar.

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Arduino compatible FPGA shield on Kickstarter
by Roy Bunce 14 Jun '13

14 Jun '13

Hi, You might be interested in my project recently launched on Kickstarter,com (short URL http://kck.st/164ObLg ) . It uses a MACHXO2-1200 from Lattice, and includes USB programming logic, so no external programmer is required. It's a relatively simple board, aimed at beginners, and will be supplied ready programmed with a I2C driven I/O expander. The associated web site will include tutorials to explain how to download and use the free Lattice design tools, as well as giving some simple design examples. By following these examples, the new FPGA user will be able to gain confidence and experience by modifying known working VHDL/Verilog code. The schematic and pcb design is in DesignSpark format, and will be released if the Kickstarter project is fully funded. Thanks for reading this, Regards, Roy Bunce

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OSHUG #27 — Boards (Beautifully Functional Circuits, Little Printer), Thursday 20th June.
by Andrew Back 04 Jun '13

04 Jun '13

Hello, Registration is now open for the June OSHUG meeting, details of which are below. Cheers, Andrew // Event #27 — Boards (Beautifully Functional Circuits, Little Printer) Thursday 20th June 2013, 18:00 - 20:00 at Centre for Creative Collaboration, 16 Acton Street, London, WC1X 9NG. Sponsored by SolderPad: http://solderpad.com Registration: http://oshug.org/event/27 At the twenty-seventh meeting there will be a talk on designing printed circuit boards that are aesthetically pleasing as well as functional, and a talk on the design and manufacture of the Little Printer, and the upcoming BERG Cloud dev board. - Beautifully Functional Circuits Circuit design is typically thought of as block-based and purely functional; it doesn't necessarily have to be. Our inherent creativity as engineers has been dampened by unimaginative and limiting design tools, that have forced us to "forget" that functional circuits can, and should, be beautiful too. This talk will explore these limitations and how we could do better. Saar Drimer is an experienced hardware engineer. In the past few years he's been developing tools for effective and efficient hardware design. - Little Printer In 2012 the design and product company BERG launched Little Printer, their internet-connected thermal printer that prints its own face. It was the first consumer product that BERG had made, and went on to be nominated for the 2013 Designs of the Year by the Design Museum. In this talk we will explore the project's evolution, from prototype to mass produced product. The talk will cover the way BERG's design process works, going to China to organise plastic injection moulding, passing certification and EMC, and many other practical aspects of making and selling consumer products that connect online. The talk will also cover a technical overview of the whole stack that brings Little Printer to life, the extraction and evolution of the underlying BERG Cloud platform, and the forthcoming developer kits that open up the platform to anybody. Nick Ludlam is CTO at BERG, and is responsible for the collective software development, from the embedded code running inside Little Printer, the Ruby/Rails-based cloud architecture, and the use of Amazon Web Services to scale. Andy Huntington is Hardware Producer & Designer at BERG and is responsible for all of BERG's physical hardware, from the electronics and PCBs to the industrial design and manufacturing of Little Printer itself. He has a background in music and moved through software into hardware following an Interaction Design MA at the Royal College of Art. Note: Please aim to arrive for 18:00 - 18:20 as the event will start at 18:30 prompt. Registration: http://oshug.org/event/27

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