Dot Matrix Synth

dot matrix synth

This project initially started as an attempt to build a Mellotron, a tape based sampling synth. Paul Slocum recorded samples using a tape recorder and then taped the segments to the printer’s feed drum. The samples were then played back by varying drum speed and read head location. Later versions of the printer synth used a hacked EPROM and generated sound using the noise of the firing print head. The site features plenty of sound samples which are slightly more pleasant than my parent’s Panasonic “quiet” series dot-matrix printer.

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hackaday links


Hi readers. I’m going to keep this short today and hope to make up with it tomorrow if I’m better. I’ve gotten very sick and typing is becoming hard. So thanks for bearing with me.

Also, the guy commenting on Cedar Point yesterday, priceless. And did my Guinness popsicle link get removed last night so it could go up as a feature article? Please let me know about that one…

the scooter with the office chair [trilly]
make chloroform responsibly (key word right there) [jason]

holy christ. someone turned a dead frog into a server (not for faint of heart or the dude complaining about furs) thanks [wetsmellydog]

very cool WEP cracking video done in linux. (flash based movie players suck though) [je]
throw half-life 2 characters into photos

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Ambient Traffic Light

traffic lighttraffic light

Seems reader [Bucky] is just as annoyed with those ambient orbs as we are. I fully support unique ways to present information, but this executive toy stuff is nothing to look forward to. Bucky legally acquired a traffic light and then developed a parallel interface to the traffic light to display different types of information. This project does require switching 120 volt AC, so you should make sure your comfortable with electrocuting yourself before proceeding. I hope someday lots of extra interfaces show up.  Until then I guess we’ve got people like Bucky to keep us sane.

P.S. Don’t forget to give us feedback on the hackaday podcast.

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WEP Cracking Illustrated

whoppix crack

There’s a couple great WEP cracking walkthroughs that have appeared recently.  The first is included in the From the Shadows Box 3.0 episode. Humphrey Cheung, who wrote the WEP cracking article we covered earlier, explains how the process works and gives a demo of it in action. The camera work is shaky and out of focus so you should check out the Whoppix WEP Cracking Demo over at Hacking Defined. The demo is a little less verbose, but the command line commands and results are a lot clearer. I also had no idea what was so great about Unionfs till I saw this video. I hope you guys have a fun weekend with this info; I am still waiting for some antenna parts unfortunately.

[thanks jE]

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hackcast – hackaday podcast 2

hackaday podcast 2

this is the best podcast ever made. of course, i’m not completely impartial, so let us know what you think. grab your ipod, download the latest hackcast, and crank it.

what you’re in for

  • halo hacking – vince interviews redbluefire from

  • hackback – stories from your hackaday peers

  • podcasting on your mac – itunes 4.9 support and why isn’t there a big record button in ichat?

  • the wtf file – crazy emails we get

  • dvd biometrics – copy protection at your fingertips

  • fresh, home baked tunes

be heard in our next podcast

when you’re done with the best 25 minutes of auditory bliss you’ve ever experienced, join in on our next podcast. call 206.888.HACK and tell us a hacking story.  if you would like to do an interview, or if you can’t call the 206 area code, contact me via aim/ichat handle jmstriegel.

listen (25:15, 23.1mb, mp3)

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