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I build a new Arduino device this weekend. I was ill and had much time chilling at home and hacked this:

It is a TA01-11 LED matrix from Kingbright. It was a little bit tricky to figure out how it works because it was the first matrix I played with but at the end everything worked fine… ;) Thanks to Rafael for this great hacking session!

You could find more information and the code on my Arduino TA07-11 5×7 Dot Matrix Display page. Have fun!

I got my new toy some minutes ago. A Netduino!

Netduino is an open source electronics platform using the .NET Micro Framework. The idea is taken from the Arduino platform but the difference is, that the Netduino is being programmed in .NET and it has a much more powerful 32-bit microcontroller onboard. It is an AT91SAM7X512 with the following specs:

• Atmel 32-bit microcontroller
• Speed: 48MHz, ARM7
• Code Storage: 128 KB
• RAM: 60 KB

Hopefully I could develop with the Mono project for it but at first I will do my work in a Microsoft based environment. Sounds contradictory? Yes, it is… but I want to give it a try… ;)

I am a little bit it ill at the moment but it will be a funny weekend when playing with this nice piece of hardware.

I have released the source code of my project “PC/SC for PHP” today.

It is an extension for PHP using pcsc-lite for smart card communication based on the PC/SC standard.

It is just an attempt to realize the idea of native and server side smart card communication within a PHP project. It could for example be useful if your web application needs access to crypto for signing, encryption etc. using a smart card as a SAM (Secure Application Module) or as a HSM (Hardware Security Module).

Have fun and please send me some comments…!

“Mercurial is a free, distributed source control management tool. It efficiently handles projects of any size and offers an easy and intuitive interface.”

Mercurial is more! It is very easy to use. I used CVS then Subversion, I tried Git and then I was impressed. Now I am much more impressed. Now I know Mercurial… and my life will become easier… ;)

It took about 2 hours to learn how it works and another 30 minutes to set up some repositories on remote servers. Great!

Give it a try!

I found ooc today!

From their site:
“ooc is a modern, object-oriented, functional-ish, high-level, low-level, sexy programming language. It’s translated to pure C with a source-to-source compiler. It thrives to be powerful, modular, extensible, portable, yet simple and fast.”

Take a look! It seems to be an interesting project… ;)

The code is available at GitHub. Just click here to see all OOC related repositories – There is a lot of stuff available!