Category Archives: Uncategorized

A few bits of RAM

The growth of RAM is one of the things that boggles my mind. The available RAM of an average computer has increased many magnitudes during my days as a computer nerd and now I have far more RAM than I … Continue reading

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Understanding ARM

As a follow up on Raymond Chen’s in-depth look at Intel’s Itanium, he has posted a set of links to an introduction to ARM. Also an interesting read. Part 1 – Processor features Part 2 – How Windows uses the … Continue reading

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Follow-up on the Nyuzi Processor

I recently wrote about the Nyuzi Processor, referring a Phoronix article. Commenter Timothy Miller was kind enough to point out that¬†the source article fails to recognize¬†Jeff Bush as the author of the Nyuzi Processor. Visiting his github page, reveals a … Continue reading

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Tickless idle in FreeRTOS

As things become more and more mobile, portable, or even wearable, power consumption becomes important. FreeRTOS moves in this direction by supporting a tickless idle process. But first, what is really the problem? When a system has nothing to do, … Continue reading

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x86 timeline

Computer World has a nice timeline of the x86 processor family.

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Debug witout printf

The use of printf for debugging purposes is sometimes regarded as bad practice. However, sometimes even that is a luxury. Mark Seaborn has written a piece on this.

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KeySweeper – Sweeping away Microsoft keyboards

Samy Kamkar has an interesting post on the security implementation in the Microsoft wireless keyboard. Using some smart heuristics, the scanning period to find and get access to the key presses of a wireless Microsoft keyboard is only 40s. In … Continue reading

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Apple Lisa Teardown

Any blog mixing retro computers and electronics deserves a visit, so go have a look at Dave tearing down an Apple Lisa at his EEVBlog.

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Beautiful Calculators

As some of you already know, calculators was the driver behind the first computers and the first CPUs integrated on a single piece of silicon. Before that age, we had electromechanical calculators. They are as beatiful to look at as … Continue reading

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EasyEDA over the web

The EasyEDA project seems like an interesting project. They are developing a production quality EDA system, but with a different monitization model. The plan is to offer free, ad-supported, accounts, cheap, ad-free, accounts and premium accounts. The main revenue stream … Continue reading

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