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Archive for October, 2011

cinci2600 Friday, Nov. 4th, 7pm @hive13

October 26th, 2011 1 comment

Cinci2600 is Friday, Nov. 4th, at 7pm. Cameron will be giving a talk about attacking wifi encryption. If you have something that you would like to present, or if you have something cool to demonstrate please feel free to bring it and show it off. Also feel free to take advantage of the hive being open to hang out and work on stuff.

maps, directions, and other details for arriving at hive13 can be found here.

not sure

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Create your own Lock Picks!

October 15th, 2011 2 comments

The Lock Forensic group at Hive13 is having a class  to show you how to create your own high quality metal bogota style pick set.  The study of locks and lock picking is fascinating.  A bogota style lockpick has a backend that can also work like a tension wrench.  We will be making 2 of these style picks in the class.  The two stiles will be the half diamond and the hook.  If time permits we will have templates to make some more advanced designs (such as the actual bogota).  We will also have lots of test and progressive locks to test our your new lock picks on as well as a quick demo on how to picks locks if you haven’t yet.

Proceeds from the class will goto buying equipment for the lock forensics lab.  Lock forensics is the science of analyzing a lock to determine if it has been picked, what tools were used and the skill of the attacker.  Hive13 holds the only known public group doing this research and welcome anybody to participate on the 2nd Thursday of every month.

Example of the type of picks you will be creating:

Sign up for the class today!

Register for Create your own Lock Picks! in Cincinnati, OH  on Eventbrite

Class: Thursday November 17th, 6:30-8:30pm

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LED table placecards

October 15th, 2011 1 comment

Inspired by this Instructables post, a friend of mine decided to create something similar for his wedding.

The bases were a bit more advanced than the suggestion, and all were created by a friend of the groom. They consist of a block of wood, a battery holder and 3 red LEDs.

basetop basebottom
baselit

The plates were etched & cut on our laser over a period of about 15 hours. It was about one hour per plate, 12 of which we used, 3 were used to perfect the process. This video shows a time lapse of the process.  We had some trouble initially with clouding on the plate, especially around the letter “o”.  We fixed this by adjusting the power and speed of the laser and refining our post etching cleaning process.

After the plates were etched and cut they were soaked in water & simple green for about 30 seconds, then wiped off with a microfiber cloth.

The cards were then set up at the reception hall prior to the wedding, and remained lit throughout the evening.

table

The wedding party:
wpar
We didn’t have the names of all of the dates guests were bringing, so some people got their very own +1.

plusone

 

And of course we had to create a bonus plate for the Hive:
hivecard

The Bride & Groom were pleased with the results as were we.  While it was a lot of work, the project resulted in a unique keepsake for each wedding guest and the wedding party.

 

 

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Glass Block LED Matrix, controlled outdoors via tablet

October 13th, 2011 5 comments

DSC_4648.jpg

Short version: Using an Android tablet, you can draw things on our Glass Block LED Matrix from the street, and it’s pretty awesome. Video here, photos here.

Long version:

Things have progressed recently on the Glass Block LED Matrix which Chris Davis and Paul Vincent started. For a couple weeks, the code was already in place to let Processing talk to it via simple serial commands to the Arduino & ShiftBrite shield. We wanted to use the tools from Project Blinkenlights to control things over the network; while this didn’t entirely work as planned, the project offered a lot of ideas and inspiration.

The most recent addition I made was the inclusion of oscP5 to the Processing sketch to let it listen for OSC (Open Sound Control) messages. As it happens, a brilliant piece of free software already exists (Control from Charlie Roberts) which turns Android/iOS devices into control surfaces that send out OSC messages. On top of this, Control comes with a handful of example UIs, one of them being “Multibutton Demo” which provides a UI with an 8×8 button grid, sort of like a monome. (The tablet in all of the photos is running Control with that Multibutton Demo UI.)

As our LED matrix is 7×8, this UI was a good initial match. I set Control’s destination URL/port to the backend machine that was running Processing, set the sketch to parse the pretty simple OSC messages Control would send out at every button toggle, and then I was able to control what was on the LED matrix by drawing on that 8×8 grid on my tablet.

I finally got to show it off outside on Tuesday evening when it was dark, and it’s working pretty well, as the video shows.

Next steps:

  • Making a Control UI that allows for color control. These are RGB LEDs, after all – we can control intensity and color, not just whether they’re on or off.
  • Making this web-enabled. I think Control allows this?
  • Fixing the glitchiness that I didn’t show in the video; something cryptic is going on on the Arduino side.

Check out the github project here and the project wiki page here.

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cinci2600 this friday, oct 7th, 7pm @hive13

October 5th, 2011 No comments

UPDATE: nerdydad will be giving a presentation and demo on upgrading the rom+memory+IOS on a Cisco 2600 router. i’ll do the dual boot talk if time permits.

Cinci2600 is this Friday, October 7th at 7pm. I’ll be giving an improved version of my hipster linux dual booting talk from last week’s NKYLUG. If you have something that you would like to present, or if you have something cool to demonstrate please feel free to bring it and show it off. Also feel free to take advantage of the hive being open to hang out and work on stuff.

maps, directions, and other details for arriving at hive13 can be found here.

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