Archive for the ‘Announcements’Category

NERP Tonight — Report on OHS #5 in Rome -and- An FPGA Cape for the BBB

NERP is not exclusively Raspberry Pi, the small computer
and embedded systems interest group at Pumping Station:One
in Chicago. NERP meets every other Monday at 7pm at Pumping
Station:One, 3519 N. Elston Ave. in Chicago.

Tonight’s NERP will be brought to you by Drew Fustini, PS:One’s maven of all things Open Source. Drew recently got an FPGA cape for the BeagleBone. The cape is called a LOGI (http://valentfx.com/logi-bone/). He’ll show us what he learned as he road-tested the development tools and the cape.

Also tonight NERP will get a brief overview of embedded computing topics from the 5th Open Hardware Summit (OHS), held this year in Rome, Italy. Drew went so we didn’t have to.

I’m out this week, so thanks much to Drew for hosting the meeting.
-Ed

Find NERP and Pumping Station:One at

NERP – Not Exclusively Raspberry Pi

Chicago, IL
271 members

NERP is Not Exclusively Raspberry Pi, the small computer and embedded systems interest group at Pumping Station One in Chicago. (Chicago’s oldest and finest hackerspace.) NERP…

Next Meetup

Bring questions, demos, personal research, etc. to share.

Monday, Oct 27, 2014, 7:00 PM
9 Attending

Check out this Meetup Group →

and

http://pumpingstationone.org/

Doors open at 6:30pm. The next meeting is October
27th, 2014.

NERP is free and open to the public.
Ed Bennett ed @ kinetics and electronics com
Tags: electronics, embedded, NERP, Open Source,
raspberry pi, hackerspace, Beagle Bone, Element14, Pumping
Station One

27

10 2014

NERP Tonight — JTAG on the Brain

NERP is not exclusively Raspberry Pi, the small computer and embedded systems interest group at Pumping Station:One in Chicago. NERP meets every other Monday at 7pm at Pumping Station:One, 3519 N. Elston Ave. in Chicago.

Electric_hair_curler / Brain-Machine Interface

Joao (“Gamblit” on the PS:One mailing list) will give an introduction to JTAG at NERP on Monday. JTAG is an important tool for embedded developers, manufacturers, and hardware hackers who do reverse engineering. The JTAG interface is included in all but the smallest processors. For use in degugging, JTAG provides real-time read/write access to a chip’s cpu, i/o systems, ram, and mass storage. It gives a user live access points inside a running cpu from which they can take over its brain, or just burn a fresh rom.

Physically, JTAG consists of a small set of pins on a microprocessor, a hardware interface device, a cable connected to a host computer, and a (not physical) protocol. JTAG is most generally useful for programming the flash in embedded controllers. That much is simple. The rest, of course is software.

Joao’s tools and target will include:

– Linux Host (Fedora VM)
– GDB (GNU Debugger) and DDD as debuggers
– No IDE (VIM and direct GCC if I need it)
– Olimex USB JTAG and TIAO USB generic interface
– Olimex Atmega128 board (Atmel Atmega128 MCU)

Joao says:
I’ll be talking about flash programming and debugging software running on a
micro-controller. I’ll also be showing that it can read and set
micro-controller pins but not getting into depth about how that actually
works, as that would need some additional low-level explanation. Depending
on feedback and available time I might explore a bit of it.
Find NERP and Pumping Station:One at
http://www.meetup.com/NERP-Not-Exclusively-Raspberry-Pi/
and
http://pumpingstationone.org/
Doors open at 6:30pm. The next meeting is October
13th, 2014.

NERP is free and open to the public.
Ed Bennett ed @ kinetics and electronics com
Tags: electronics, embedded, NERP, Open Source,
raspberry pi, hackerspace, Beagle Bone, Element14, Pumping
Station One

12

10 2014

NERP Tonight: A Simple Wireless Link for Serial Data

NERP is not exclusively Raspberry Pi, the small computer and embedded systems interest group at Pumping Station:One in Chicago. NERP meets every other Monday at 7pm at Pumping Station:One, 3519 N. Elston Ave. in Chicago.

Amongst the Maker community ZigBee® is usually thought of alongside the XBee® modules from Digi Corporation. The little blue irregular-hexagon shaped boards mean “wireless data” to a lot of folks. XBee is in fact the name of a family of wireless data modules that share the same form factor and blue color. The family includes ZigBee modules, DigiMesh modules, WiFi modules, and IEEE802.15.4 radios. Depending on the model, the data radios can do point-to-point, peer-to-peer, star, and mesh networks.

If you’d like to play around with wireless data a good place to start is replacing a serial cable with an XBee Series 1 module. There are two power levels to choose from: a 1mW module that can work to a distance of 300ft, and a 60 mW module that can work to a distance of one mile (in perfect conditions).

The Series 1 modules are usually used as IEEE 802.15.4 data radios. ZigBee and several other protocols are built on top of 802.15.4.The 802.15.4 spec provides the physical and MAC layers to serve higer level protocols. It’s a just enough support to get bytes sent from A to B. One nice thing about working close to the metal is that, once the hardware is set up, it’s fairly easy to push bytes around. You can even make up your own simple ad-hoc protocols if needed.

Tonight at NERP, I’ll show how to set up a wireless data link between two devices that can communicate at 300 to 115200 baud. I’ll show XBee XPB24-AWI-001’s moving serial data, and how to set up and test the modules using the X-CTU software from Digi.

As a side-note, the Internet of Things is creating a demand for better and cheaper wireless data connections. It is common for the Things to speak a local protocol that is propietary or unique to their class of device and for the relevant parts of the machine to machine dialog to be passed upstream through a server or bridge.

ZigBee® is a trademark of the ZigBee Consortium

Find NERP and Pumping Station:One at
http://www.meetup.com/NERP-Not-Exclusively-Raspberry-Pi/and http://pumpingstationone.org/ Doors open at 6:30pm. The next meeting is September 29th, 2014.
NERP is free and open to the public.
Ed Bennett ed @ kinetics and electronics com
Tags: electronics, embedded, NERP, Open Source,
raspberry pi, hackerspace, Beagle Bone, Element14, Pumping Station:One

29

09 2014

Last 36 hours for submissions!

designcontestWe’re down to the wire here, everyone! This is your last chance to submit designs before the deadline! Get ‘em in before the voting starts in 2 days!

You can submit your entries throughout this month of September, with the deadline on the 30th. after that will be a week of member voting. The winning submission will get a complete set of the shirt (any size), sticker, and pin, as well as a “special meet and greet with the president of Pumping Station: One” (Bry asked me to include that last bit).

Guidelines for submissions:

  • Designs are for the tees, 1″ buttons, and 3″ stickers(round or square, depending on the chosen design). Unless you think the design will be optimized to look good in all three formats, I suggest you edit your designs for each application. By all means, have the same elements in each, but keep in mind that the button has less space for detail than the shirt.
  • Unless you’re designing in vector format, make sure your original copy will be of sufficient size and detail. The canvas you work in should be about 10″ wide by 15″ tall and at LEAST 400PPI if not working in vector.
  • Be excellant! No inappropriate themes. Remember that PS: One is a safe space, I know we have just f@*!ing do it as a central theme, but keep it PG or your entry will be invalid for the contest.

Send your submissions to info@pumpingstationone.org with “Design Contest Submission” in the Subject line

29

09 2014

One week left in the Pumping Station: One Design Contest!

designcontestOne week left to send in your submissions, people! the submissions so far have been AMAZING, and those of you who’ve been working all month on yours are sure to have something really amazing in the works! I can’t wait for the voting to start next week!

You can submit your entries throughout this month of September, with the deadline on the 30th. after that will be a week of member voting. The winning submission will get a complete set of the shirt (any size), sticker, and pin, as well as a “special meet and greet with the president of Pumping Station: One” (Bry asked me to include that last bit).

Guidelines for submissions:

  • Designs are for the tees, 1″ buttons, and 3″ stickers(round or square, depending on the chosen design). Unless you think the design will be optimized to look good in all three formats, I suggest you edit your designs for each application. By all means, have the same elements in each, but keep in mind that the button has less space for detail than the shirt.
  • Unless you’re designing in vector format, make sure your original copy will be of sufficient size and detail. The canvas you work in should be about 10″ wide by 15″ tall and at LEAST 400PPI if not working in vector.
  • Be excellant! No inappropriate themes. Remember that PS: One is a safe space, I know we have just f@*!ing do it as a central theme, but keep it PG or your entry will be invalid for the contest.

Send your submissions to info@pumpingstationone.org with “Design Contest Submission” in the Subject line

23

09 2014

Two weeks left in the Pumping Station: One Design Contest

designcontest

Only two weeks left in the competition! Thank you to everyone who’s sent in a design, so far, and I look forward to seeing the designs to come!

You can submit your entries throughout this month of September, with the deadline on the 30th. after that will be a week of member voting. The winning submission will get a complete set of the shirt (any size), sticker, and pin, as well as a “special meet and greet with the president of Pumping Station: One” (Bry asked me to include that last bit).

Guidelines for submissions:

  • Designs are for the tees, 1″ buttons, and 3″ stickers(round or square, depending on the chosen design). Unless you think the design will be optimized to look good in all three formats, I suggest you edit your designs for each application. By all means, have the same elements in each, but keep in mind that the button has less space for detail than the shirt.
  • Unless you’re designing in vector format, make sure your original copy will be of sufficient size and detail. The canvas you work in should be about 10″ wide by 15″ tall and at LEAST 400PPI if not working in vector.
  • Be excellant! No inappropriate themes. Remember that PS: One is a safe space, I know we have just f@*!ing do it as a central theme, but keep it PG or your entry will be invalid for the contest.

Send your submissions to info@pumpingstationone.org with “Design Contest Submission” in the Subject line

 

15

09 2014

NERP Tonight — A Tor Relay Demo, and a Sketchy Update

NERP Tonight — A Tor Relay Demo, and a Sketchy Update
NERP is not exclusively Raspberry Pi, the small computer
and embedded systems interest group at Pumping Station:One
in Chicago. NERP meets every other Monday at 7pm at Pumping
Station:One, 3519 N. Elston Ave. in Chicago.

Drew has put together a Tor relay using (what else) a
BeagleBone Black.
(https://www.torproject.org/index.html.en) Tonight at NERP,
he’ll show us how it’s done.
From the Tor site:
/*
Why Anonymity Matters: Tor protects you by bouncing your
communications around a distributed network of relays run
by volunteers all around the world: it prevents somebody
watching your Internet connection from learning what sites
you visit, and it prevents the sites you visit from
learning your physical location.
*/
Use of Tor is often a sensitive discussion topic. In the
culture in which we live, there is no universal consensus
on where an individual’s right to privacy from governmental
and corporate interests ends and the larger interests of
security and commerce begin.

Tor is a tool that aims to provide user and location
anonymity on the Web. Anonymity can foster good, bad, or
indifferent ideologies and behaviors. In some contexts
anonymity can even be seen a sort of power similar to that
of a firearm. There are those who would question “a priori”
why a person would insist on total privacy unless they had
something to hide. From this perspective, using a privacy
tool is in itself suspicious. Others feel that privacy is a
basic need of human individuals, and therefore an
inalienable right. At the end of the day, technology itself
isn’t human, isn’t alive, and can’t think or feel; it’s
totally indifferent.

In tonight’s presentation we will try to stay focused on
the technology behind Tor. It’s counter intuitive to me at
least, how anonymizing technology is practically possible.
How it’s done will be an interesting study in some
non-obvious applications of low-level network programming.

Also tonight, I’ll be giving another update on development
of “Sketchy”, the network controlled servo-powered
Etch-a-Sketch.

Find NERP and Pumping Station:One at
www.meetup.com/NERP-Not-Exclusively-Raspberry-Pi/
and

http://pumpingstationone.org/

Doors open at 6:30pm. The next meeting is September
1st, 2014.

NERP is free and open to the public.
Ed Bennett ed @ kinetics and electronics com
Tags: electronics, embedded, NERP, Open Source,
raspberry pi, hackerspace, Beagle Bone, Element14, Pumping
Station One

01

09 2014

Pumping Station: One Design Contest 2.0

designcontestSince the last time I posted this, my post was immediately buried in an avalanche of more prominent posts, and nobody submitted a design, I’m going to try this again!

We’re looking for designs to turn into Tee-Shirts, Buttons, and Stickers for giveaways(buttons and stickers) and sale(tees) at Pumping Station: One! Draw, vector, and photoshop your heart out and show us what Pumping Station: One means to you!

You can submit your entries throughout this month of September, with the deadline on the 30th. after that will be a week of member voting. The winning submission will get a complete set of the shirt (any size), sticker, and pin, as well as a “special meet and greet with the president of Pumping Station: One” (Bry asked me to include that last bit).

Guidelines for submissions:

  • Designs are for the tees, 1″ buttons, and 3″ stickers(round or square, depending on the chosen design). Unless you think the design will be optimized to look good in all three formats, I suggest you edit your designs for each application. By all means, have the same elements in each, but keep in mind that the button has less space for detail than the shirt.
  • Unless you’re designing in vector format, make sure your original copy will be of sufficient size and detail. The canvas you work in should be about 10″ wide by 15″ tall and at LEAST 400PPI if not working in vector.
  • Be excellant! No inappropriate themes. Remember that PS: One is a safe space, I know we have just f@*!ing do it as a central theme, but keep it PG or your entry will be invalid for the contest.

Send your submissions to info@pumpingstationone.org with “Design Contest Submission” in the Subject line

01

09 2014

NERP Tonight — NVIDIA’s CUDA: 192 Parallel Procesors

NERP is not exclusively Raspberry Pi, the small computer  interest group at Pumping Station:One in Chicago.  NERP meets  every other Monday at 7pm at Pumping Station:One, 3519 N. Elston  Ave. in Chicago.

Tonight at NERP, Sevin Straus will give an introduction to NVIDIA’s CUDA architecture. CUDA uses a cpu to farm out pieces of a task to the parallel processors in a video graphics chip (GPU). [more below]

NVIDIA's CUDA , NVIDIA.com

[img: large-video-dynamic-parallelism-2-en.jpg nvidia.com]

Nvidia wants lots of developers to know about CUDA. To that end, they have put together a complete development environment. In the best of all worlds, the environment should be usable on Linux after simply running “install.sh”. It’s never really that simple. Sevin has put together a working develpment system targeting the Jeston development board. Tonight he’ll show us how he did it and some of the included demos.

A sense of what CUDA is about would include these thoughts collected from various parts of the CUDA website:

CUDA® is a parallel computing platform and programming model invented by NVIDIA. It enables dramatic increases in computing performance by harnessing the power of the graphics processing unit (GPU). A GPU consists of thousands of smaller, more efficient cores designed for handling multiple tasks simultaneously.

GPU-accelerated computing is the use of a graphics processing unit (GPU) together with a CPU to accelerate the compute-intensive portions of tan application to the GPU, while the remainder of the code still runs on the CPU. From a user’s perspective, applications simply run significantly faster.

– See more at: http://www.nvidia.com/object/what-is-gpu-computing.html#sthash.hSegwmwk.dpuf

Find NERP and Pumping Station:One
at http://www.meetup.com/NERP-Not-Exclusively-Raspberry-Pi/
and http://pumpingstationone.org/
Doors open at 6:30pm. The next meeting is August 18th, 2014.
NERP is free and open to the public.
Ed Bennett ed @ kinetics and electronics com

Tags: electronics, embedded, NERP, Open Source, raspberry pi,
hackerspace, Beagle Bone, Element14, Pumping Station One

 

18

08 2014

Beer Church Brew Day, 8/24

At 12:30pm on 8/24 we’ll start with a beer tasting (bring your favorite homebrew or craft brew), decide a beer recipe, go shopping for the ingredients, and then do a hands-on brew session with the following steps:

1) malt grinding
2) mashing
3) sparging
4) boiling
5) hopping
6) chilling
7) pitching yeast
8) setting the fermenter temperature and starting the fermentation.

We’ll probably also keg or bottle one of our previous brews.

This event is open to anyone ages 21 and over. No need to RSVP, see you on Sunday!

17

08 2014