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Yenka! A very nice circuit simulation software

Sunday, April 10th, 2011

Yenka LogoRafael found an application called Yenka in the web. This software is wonderful! You could use it for simulating many things. We are using it for designing and simulating electronic circuits but other stuff like mathematics and physics are available too. It is a very nice application for teaching and learning…

Below is an image of a simple transistor switch designed with Yenka.

Switched off:

Yenka transistor switch

Switched on:

Yenka transistor switch - on

You could simulate the circuit. When switching the button in the lower left corner. You could measure the Voltage and Ampere at every point of the circuit… ;) Now I don’t need so much time to solder anymore… even it is a lot of fun soldering own devices.

You could download it for free and use it completely for free when using it at home! With all features!!! There is a version for Mac, Windows AND Linux available.

Posted in: DIY, electronics

Make: Electronics

Sunday, April 3rd, 2011

I got this great book yesterday: “Make: Electronics“. It was exactly what I needed. It describes in a very hackish way how electronics works…

I got the german translation and read a lot in it within the first day. It has many examples of analog circuits for building funny and useful stuff by yourself. DIY!

Thank you very much for this book! I love it!

Posted in: DIY, electronics, news

Nagios Android Client

Wednesday, March 30th, 2011

I found this nice Android app today. Since I am setting up the monitoring of some servers using Nagios this app is very useful to me. The app is called Nagroid and it is completely free and the code is available at Google Code.

Posted in: monitoring

Site-Status Update

Wednesday, March 16th, 2011

lighttpd logoI reported some days ago that this page is not being generated dynamically online anymore. It is just static HTML!

I am generating all code offline. But since I love features like “comments”, I decided to use a third party service for that. I registered an account at Disqus because it provides the most simple user interface. I hope you will accept and use this feature even though data is being stored on external servers not managed by me. Maybe I will develop an comment option via a cgi-bin directory in the future but at first I will stay at Disqus…

The server is now running lighttpd. thttpd doesn’t provided enough features. Lighttpd seems to be a good choice for my requirements. It is a very small, fast and easy to configure webserver with a lot of features.

PHP and MySQL is NOT installed on this host anymore… ;)

Posted in: website

May the Force be with You

Tuesday, March 15th, 2011

May the Force be with You

I found this in the ./images directory of hanez.org today and thought it must be online again… ;)

Posted in: fun

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