Frostbot: CNC cookie frosting

December 30, 2007 By 10 Comments


[Brian Schmalz] sent in his Frostbot. It’s a fun CNC bot project that he built to frost cookies for his latest holiday party. He (wussed out a bit) and started with a kit based CNC machine, but he made up for it by driving it with his own control hardware (that sparkfun happens to have for sale). His USB … Read the rest

Filed Under: cnc hacks, misc hacks, tool hacks

24C3 Toying with barcodes

December 30, 2007 By 24 Comments

[FX] from Phenoelit gave an entertaining talk about barcode security. He covered both how the systems are implemented and how they’ve been exploited. The first example was a parking garage in Dresden that issues non unique barcodes for the unlimited passes that hotels give out. Anyone code print out an image of that particular code and park for free. German … Read the rest

Filed Under: laser hacks Tagged With: , , ,