Browsing All posts tagged under »open source«

Arduino creator talks at TED

June 30, 2012

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Massimo Banzi is one of the creators of the Arduino project. He recently did a wonderful talk at TED Global (here the post about it on the official Arduino Blog, if you wanna show some love). At 4:20 he shows a screenshot that could have been taken from my blog post about Arduino schematics, given […]

Free Electrons Android training materials

June 20, 2012

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Free Android training materials – Free Electrons blog. Free Electrons publishes another set of extremely useful materials that include instructional slides, source code and documentation. The objective of the course is to familiarize with Android from its lowest levels, using also this Devkit8000 embedded board. The (383) slides and the (24-pages-long) hands-on lab exercises are […]

ELC 2012 videos and slides

April 7, 2012

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Free Electrons posted the videos of the last Embedded Linux Conference 2012. Unfortunately most of the videos have really bad audio quality, so maybe this time reading the slides will be more effective. The most interesting topics for me are the following: The Kernel report Binary Blobs Attack!!! Status of embedded Linux Experiences With Device […]

Compile Linux kernel 3.2 for ARM and emulate with QEMU

March 31, 2012

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This is a tutorial to: 1. Get Linux kernel 3.2 source code 3. Configure and compile for Versatile Express ARM Cortex-A9 platform 4. Prepare and create a ramdisk using initramfs schema 5. Emulate kernel boot and ramdisk execution using QEMU

Linux kernel official mirror

October 2, 2011

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Recently the main Linux website, kernel.org, was compromised by an hacking attack. Since then, Linus Torvalds decided to use GitHub as the master repository for the whole kernel (here the announcement), and kernel.org has been down for a long time. This has broken some of my old tutorials on this blog. In my tutorials, I […]

Unboxing Zephyr HxM heart sensor

June 18, 2011

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I recently bought a Bluetooth cardio sensor, the Zephyr Hxm. Its selling points for me were the ability to use it together with my Android smartphone and the fact that Zephyr encourages developers to access its functionality through an open SDK. The package contains: The sensor, which is very light but feels sturdy. On the […]

PyPy as a faster alternative for Python

June 7, 2011

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It came to my attention today that there’s an alternative interpreter for the Python language which is faster and often viable: it’s called PyPy and uses Just-In-Time compilation to execute Python code. Just-In-Time compilation is a technique that is used successfully in many projects: the .NET Framework, Java, QEMU, … and it has also been […]

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