Team Hack-A-Day CNC

team hackaday dxf

The Team Hack-A-Day forum recently started a thread to discuss homebrew CNC. Computer Numerical Control machining is a very popular topic in our community because of the prohibitive cost of buying a machine off-the-shelf. Searching through the archive it seems we’ve only covered one actual CNC machine; since people have been building these things for so long, it’s hard to come up with the definitive CNC project. We’ve also featured the Etch CNC, designed by the AXIS developers to verify their software.

My coworker Will O’Brien, who writes how-tos for Engadget, recently started working on a new CNC mill. You can expect a write-up on that in the future. Also, Lady Ada recommends Drill Bit City for sourcing cheap carbide bits.

If there is enough interest, Team Hack-A-Day might add another forum for CNC projects.

For those who don’t know: Team Hack-A-Day was founded by Hack-A-Day readers to support our Folding@HOME efforts. Through their work we are now the #37 team (and still gaining) having produced nearly 20 million points in the last 8 months.

[thanks Tired2, op for #hackaday on EFnet]

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Portable Magnetic Card Reader

portable magnetic card reader

[ned]’s HandySwipe is a portable magnetic card reader. It runs on 4 AA batteries and collects data from track 2 cards. It uses a PIC 16F688 and displays the card’s data on a small LCD. It can store up to 50 cards and dump them in CSV format. It will also output the raw bitstream for use with Acidus’s StripeSnoop. Ned’s project write up is pretty interesting since he covers using a logic analyzer while swiping a card and driving the LCD with only three pins using a shift register.

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