Balau

Fake Dawn: an Android app to wake up gently

July 23, 2012

I present you my first Android app: Fake Dawn. Fake Dawn is an alarm that gradually increases brightness and sound volume to lead you out of deep sleep and wake you up gently. There’s plenty of medical research indicating that our sleep rhythm is influenced by light. Usually we are impacting negatively our sleep pattern […]

Tagged: alarm, ambient light, android, app, deep sleep, fake dawn, health, open source, wake up

Posted in: Software

Collusion: a plugin to visualize cookie trackers

July 9, 2012

All the relevant sites on the Internet use cookies in some way or another. All the cookies in our browser can be considered the digital traces we leave when we surf. Up until now I had difficulties understanding the dimension of the problem, or how much of me is potentially passed around without asking my […]

Tagged: chrome, collusion, cookie monster, cookie trackers, firefox, safari, ted, third party cookie, tracking

Posted in: Security

Arduino creator talks at TED

June 30, 2012

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 […]

Tagged: arduino, instructables, kickstarter, maker movement, open source, open source hardware, ted, thingiverse

Posted in: Hardware

Free Electrons Android training materials

June 20, 2012

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 […]

Tagged: ADB, android, ARM, devkit8000, free electrons, java, JNI, linux, open source, Texas Instruments, training

Posted in: Embedded

Google Drive is here!

April 25, 2012

Your Google Drive is not ready yet Well, almost here… Here is a quick comparison on some of the remote storage and file sync solutions that I consider important: Online Service Win Mac Linux Android iPhone Web Client-side Encryption Initial Space Client Source Server Source Google Drive Yes Yes No Yes Soon Yes No 5GB […]

Tagged: backup, dropbox, file sync, google, google drive, iFolder, remote storage, sparkleshare, spideroak, ubuntu one, wuala

Posted in: Internet

How programmers can easily choose strong passwords

April 22, 2012

Choosing a password is always a trade-off between security and usability. Programmers can shift this compromise thanks to some qualities of their work. The idea is to use lines of code as passwords.

Tagged: brute force, code, dictionary, encryption, entropy, hacker, password, password strength, programming, protection, xkcd

Posted in: Security

ARM926 interrupts in QEMU

April 15, 2012

In this post I prepared what I think is the simplest example on how to manage interrupts for the widespread ARM926 core. From this example one can expand the complexity of the interrupt management at will. I’m going to test the functionality with QEMU, emulating the Versatile Platform Baseboard. I based this example on my […]

Tagged: ARM, arm926, assembler, assembly, bare metal, cross compiling, gcc, interrupt, interrupt controller, irq, linker script, qemu, uart, vector table, versatile

Posted in: Embedded

Fake Dawn: an Android app to wake up gently

Arduino creator talks at TED

Free Electrons Android training materials

Google Drive is here!

How programmers can easily choose strong passwords

ARM926 interrupts in QEMU

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