Creepy Robot Really Wants Money…

As technology advances forward so does the numerous ways to beg for money. [Chris Eckert] has developed a robot to do the deed for him.  With an odd  eye mounted on the top of the robot to invoke pity presumably and a tin can out front to collect change from people it may encounter this is quite the hobo robot.  On his build log, you’ll find tons of great pictures of the entire process from start to finish.  With robots sent to beg people for money, it is only a matter of time until the first squeegee robot is cleaning your car at a red light.  Make sure to check out the video after the break.

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Hacking An IButton

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Maxim’s iButtons, which are small ICs in button-sized disks, are starting to show up in more and more places. They have a range of uses, from temperature loggers to identification, and all use the 1-wire protocol to communicate. Over a furrtek, they hacked an iButton used for buying things from vending machines and created an infinite money cheat. They built a small rig based on the ATmega8 to read and write data to the chip. The data was encrypted, so it wasn’t feasible to put an arbitrary amount on the card. Instead, they used a similar technique to the Boston subway hack and restored a previous state to the iButton after something was bought. They also created a hand-held device to backup and restore the contents of a button for portable hacking.

[Thanks furrtek]