Category Archives: Programming

How to use V-USB on an attiny85

V-USB is a project from the company Objective Development Software GmbH to bring basic USB support to any micro controller. This is what they say about it: V-USB is a software-only implementation of a low-speed USB device for Atmel’s AVR® … Continue reading

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Graphical LCD controlled by only 2 wires

Graphical display controlled with only 2 wires Programming a micro controller is much easier if you can do debugging. How ever this is often not available or only very limited. I usually debug my applications with a display. This way … Continue reading

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New SleepAnalyser

Recording options Once again I could move a new version of my SleepAnalyser into the stable tree of the Maemo repositories. Beside small changes and bugfixes it also has many new features: Lucid dream music option Wake up music option … Continue reading

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SleepAnalyser in new stable version

SleepAnalyser with new features I am pleased to announce a new stable version (1.8-105) of SleepAnalyser. Compared to the last stable version a lot has changed. Beside a cleanup of the graphical user interface also a big part of the … Continue reading

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Convert RGB to HSV and back with a micro controller

It took me a while to find code examples how to convert an RGB color value into the equivalent HSV color space and back. Also it took me quite a while to adapt the code for my micro controller. For … Continue reading

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New MAEMO application: Leo

Hi all As an occasional user of the translation service on  dict.leo.org I got frustrated how time consuming it is, to use it on an embedded device; first you have to start a browser, then type in the url, wait … Continue reading

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SleepAnalyser updated

I just released a new stable version of my SleepAnalyser. SleepAnalyser is a Software for the MAEMO 5 based phone N900. It is able do record and visualise your sleep pattern. For more informations see here. SleepAnalyser

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How to get Shed Skin working on Maemo 5

Big fat warning: You only should install the below described packages,, if you know how to do it! It might break your phone. A backup might be very wise! Also your rootfs will get full, if you install to many … Continue reading

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New SleepAnalyser version in Maemo extras

The latest version (1.6.53) of my SleepAnalyser software (application which records your movement during your sleep) just reached the extras repository on the maemo system. If you own a N900 or another phone with the Maemo OS, have a look … Continue reading

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