Embedded

ZaTab

ZaTab: ZaReason's Open Tablet

Quite a few options exist as far as Android tablets go. Some of them are great choices for personal entertainment and media consumption. Google's new Nexus 7 is a powerful little beast designed to serve up media from Google Play. Amazon's Kindle Fire is a great device for tapping Amazon's extensive content offerings. more>>

Learning to Program the Arduino

This article should acquaint you with basic Arduino programming and show you how to write programs that interact with objects in the real world. (A mandatory disclaimer: the last time I really studied electronics was way back in high school, so this article focuses more on the programming aspects, rather than the electronic side of things.) more>>

Readers' Choice Awards 2011

The votes are in, the tallies are counted, the hanging chads have been evaluated, and we have our winners. This year holds a few surprises, a couple dominant players and as much open source as you can handle. We don't encourage gambling here at Linux Journal, but if you had an office pool going for pizza money, it's officially too late to make your wager.

Tiny Core screenshot

Tiny Core Linux

If you want to go back to those great old days of really lightweight Linux, give Tiny Core Linux a try and relive the joy of a bare-bones system. more>>
Buildroot Main Menu

Roll Your Own Embedded Linux System with Buildroot

The time between getting a new piece of hardware and seeing a first shell prompt can be one of the most frustrating experiences for embedded Linux developers. Buildroot can help reduce your frustration. more>>

Hexapod—a Linux-Powered Spider Robot

A chat with Matt Bunting, developer of the hexapod robot. more>>

Breaking Free the Gumstix DSP

Compiling a Linux 2.6.33 kernel for the Gumstix Overo Fire with DSP support. more>>

Speech I/O for Embedded Applications

Is the world ready for speech-enabled embedded devices? Now the technology is here for usable speech recognition and synthesis. See how you can use it in your own embedded applications. more>>

Debugging Embedded Linux Platforms with GDB and Python

Give your debugging sessions go-faster stripes with the power of Python. more>>
PICkitII

Summer Hacking

It is summer on the northern hemisphere, and I've decided to target a smaller system than I've been used to in the last couple of years. In particular, I've decided to finally open my dear old PICkit II. The goal is to be able to work with this board from within a Linux environment. more>>

Barebox Logo

Booting Bare Hardware

Booting a computer is always more complex than one wants to think. On the PC side, it looks as if BIOS finally is retired and replaced by EFI (I wonder which was the last OS to use BIOS for anything that just loading a secondary bootloader). On Mac, EFI has been around for a while. On embedded Linux systems, however, u-boot has been a big player for a long time. more>>

2010 Readers' Choice Awards

Readers' Choice Awards 2010

The votes are in! Read on to find out how your favorites fared in this year's awards. more>>

Qt

Using qDebug

GUI debuggers are the norm these days, however, I still feel the urge to do a little printf-debugging now and then. It might be wrong, it might be silly but it works.

I like to develop the odd graphical application and I like use Qt. For Qt, the nice Norwegian Trolls have provided the qDebug function. You can use it right away just like your old trusted printf: more>>

Cross Compiling Qt

On of the great aspects of Qt is that it is cross platform. Not only across desktops, but also across devices. The Qt make tool, qmake, can be configured to cross compile for different architectures using different compilers and different settings. How to do all this is reasonably straight forward, but you need to know how to get started. more>>

A Quick Look at Qt Quick

Qt 4.7 has not been released yet, but the curious can download the beta or even grab a snapshot from git. The big news in this point seven release is Qt Quick - a new approach to user interfaces. more>>

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