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Why digital logic is different than analog (part 2)

Last time, we asked the question “What is the difference between analog and digital logic?” We identified two areas: noise and dynamic range. The latter limitation is that you can’t have an infinite...

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A new direction for homebrew console hackers?

A recent article on game console hacking focused on the Wii and a group of enthusiasts who hack it in order to run Linux or homebrew games. The article is very interesting and delves into the debate...

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Building the ZoomFloppy slides

At ECCC 2010, I presented these slides on the ZoomFloppy, a new device for accessing Commodore floppy drives from a PC via USB. The firmware, known as xum1541, has been available since fall 2009 for...

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Building a USB protocol analyzer

The recent effort by bushing‘s team to develop an open-source USB protocol analyzer reminded me of a quick hack I did previously. I was debugging a tricky USB problem but only had an oscilloscope. If...

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The Magic Inside Bunnie’s New NeTV

A year ago, what was probably the most important Pastebin posting ever was released by an anonymous hacker. The HDCP master key gave the ability for anyone to derive the keys protecting the link...

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Mixed voltage interfacing for design or hacking

Modern digital systems involve a wide array of voltages. Instead of just the classic 5V TTL, they now use components and busses ranging from 3.3V down to 1.0V. Interfacing with these systems is tricky,...

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