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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...
View ArticleUnderstanding 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...
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Schematics On-line
Over at schematics.com you can find designs and share your designs in an online community. This can be a handy resource for finding reference designs. An interesting detail is the contribution from...
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Arduino Pong
What is the first thing to do when you have video out on your microcontroller? Some say Tetris, other say Pong. I won’t lie – it’s unlikely your daughter will be giving up her Nintendo DS, and this...
View ArticleAn embeddable C interpreter
If you like scripting and embedded systems, but feel that Python, Lua, Javascript and the rest are too high level, I give you picoc. The picoc interpreter, created by Zik Saleeba, is an embeddable,...
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Transistor level Atari 2600 simulation
Based on the work from visual6502.org, Greg James has put together a transistor level simulation of the Atari 2600 console. The entire project is available from github. The simulator runs slowly, but...
View ArticleFollow-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...
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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...
View ArticleDebug 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...
View ArticleApple 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....
View ArticleEasyEDA 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,...
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Schematics On-line
Over at schematics.com you can find designs and share your designs in an online community. This can be a handy resource for finding reference designs. An interesting detail is the contribution from...
View ArticleClik here to view.
Arduino Pong
What is the first thing to do when you have video out on your microcontroller? Some say Tetris, other say Pong. I won’t lie – it’s unlikely your daughter will be giving up her Nintendo DS, and this...
View ArticleFacial Recognition using RPi
The Raspberry Pi blog just mentioned Pierre Raufast‘s experiments with OpenCV and the RPi camera module. He achieves facial recognition with multiple targets at ~8fps, which is kind of impressive given...
View ArticleATX RasPi
The people behind lowpowerlab has come up with a nice solution to switching your Raspeberry Pi on and off. Using a microcontroller and letting it communicate with the Pi over GPIO, the power supply is...
View ArticleESD Safety
Can't see the video in your RSS reader or email? Click Here! Or, you can read up on Wikipedia.
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ZX81 using AVR
Jörg Wolfram has re-created the ZX81 system using an ATMega AVR MCU. The system uses a PS2 keyboard, NTCS (or VGA/LCD) for graphics and an SD-card instead of a tape. Looks like a great recreation of...
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