Wind-up birds sound recordings

As mentioned in a previous post, Wind-up Birds made an appearance in the foresty hillside of Fløien. Fløiensvingene (The Fløien turns) is a curly path up the steep hill (as steep as 25 degrees), starting at about 180 m above sea level, and ending at about 300m.
It is a city forest, blending the sounds of the city with sounds of nature, as well as the sound of all the people using it.
I quickly edited together a few sound recordings from various points along the path to give you an impression of how the wind-up birds blended into their environment.

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They´re back

For the occasion of Festpillene i Bergen 2010, a flock of Wind-up Birds has taken over the mountain side of the Fløien mountain. More specifically along the windy, steep path through the spring-green forest called Fløiensvingene. They will probably stay a few weeks. This has created a lot of buzz among the people using the path, so I will try to spend as much time as possible there to listen to audience reactions.

They might sound similar to previous generations, but there has been a few changes under the hood: The wood blocks have this time been milled instead of glued, making them more robust. Thanks to Ivar Bergseth and his CNC mill!

I use a new set of xbee modules, the xbee 2.4 pro digimesh modules. This gives a more stable network and is much easier to work with than the previous firmware.

I made new more practical circuitboards, which I got manufactured at BatchPCB, making the job of assembling the woody boards much easier. This was my first attempt at working with Eagle PCB circuit design software, but I leaned heavily on Roar Sletteland´s previous PCB layout for the first generation.