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I suppose pi could eat into some of the arduino projects currently being done. Though arduino is much simpler to interface with various sensors - thanks to shields, once a few 'shields' for pi show up, the lure of powerful hardware and full blown OS will move many to pi.

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I agree; however a particularly alluring component to an arduino is driving it with a 9V battery and throwing it up into the false ceiling and letting it do its thing. (Or whatever your use case may be.)

I think I saw somewhere on the Raspberry Pi forums that it would run fine on 4 AA batteries.

I think in the short term there will be a lot of work done very quickly to make Pi & Arduino talk to each other - the Pi's power and the Arduino compatibility are a great combination.

I agree that in the longer term the Arduino processor board isn't necessary. It shouldn't be too hard to make a cheap dongle to connect Arduino shields to the GPIO pins on the Pi, with some attendant software to drive them.

There's some good stuff here: http://www.raspberrypi.org/forum/projects-and-collaboration-...

Fun times!

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