RepRap Mendel Part1

My wive wanted to give me the first kit for a RepRap Mendel for Christmas. She was really sorry that the kit didn’t make it under the tree, as it was sold out. I was excited about the Project for more than a Year, but it was too expensive to just give it a go. […]

Arduino code to interface the MS5607B Intersema barometric pressure sensor through i2c

It was not quite as easy as I anticipated to interface the MS5607B sensors that I had sitting around for quite some time now. Sure, wiring them up is a lot easier. Although I still don’t like soldering SMD. In the end, it worked out, and the code can be downloaded with the links below. […]

My first Android App

Yesterday, my first Android App hit the Market. Just search for flightpred and you should find it. It should run on any device running Android 1.5 and above. The App doesn’t do a lot so far. Essentially, it downloads an xml file from the flightpred server and displays the predictions for how many kilometers it […]

missing env variables when running from cron

Today I solved another problem that bugged me for a while. Namely, I wanted to run the free flight prediction runs automatically from cron. When I ran it from the commandline or a script, it worked well, but when I tried to run it directly or through the same script from cron, it always failed […]