Stroller schrieb: > On 4 Oct 2009, at 16:14, tom wrote: > >>>> On Wed, Sep 30, 2009 at 06:04:30PM -0400, tom wrote: >>>> >>>>> actually i think they should already be built in...they are so >>>>> cheap... >>>>> >>>> Depends on what you mean when you say cheap. I see it listed at >>>> >>> just >>> >>>> under USD 10 for one sensor or the price of a 1.3 mpix camera >>>> module. It's >>>> also not as small as you would like for something you throw in >>>> mostly for >>>> fun. >>>> >>> Is the 1.3 mpix camera module also $10 for a single unit? That seems >>> remarkably good value. >>> >>> One would expect a pressure sensor to be much cheaper on the 1000, of >>> course. >>> >> well, my thought was just: marketshare. more features out of the box >> >>> more customers > more competition. >>> >> and i dont think 10$ make adifference, not yet talking about >> largeqty-volumes. eg rfid: nokia announces it since years, but FR >> could be fo fast...im sorry, maybe im just to optimistic... >> > > 1) Please don't top-post in reply to a bottom-post. It makes the flow > of the conversation difficult to read. > > 2) Please don't post to the list in HTML. Plain-text is preferable. > > > > 3) The costs of production were discussed a LOT on this list in the > past, when the Openmoko team was still active. To be honest, even if > the component is only $1 then it may be too expensive, as many more > design and testing costs are added to the total production cost by the > addition of the component. > > Customers will be dissatisfied if it doesn't work as expected. A large > increase in market share is needed to make the addition worthwhile. > Therefore the addition of a camera may be worthwhile, whereas the > addition of a barometric sensor is not. > > However a camera requires retooling of the Freerunner's case, a > surprisingly cost-prohibitive change. I think the cost of creating a > new case for the Freerunner is considerably more than $10,000. I would > imagine that a camera requires other components to make it work and is > more complex from the design point of view. There have historically > been two major complaints about the Freerunner - lack of a camera and > of 3G. Either might enlarge its market share considerably, but both > were rejected on cost grounds. > > This barometer is self-contained and connected to the i2c bus, a > _relatively_ simple addition. If there is demand for the barometer - > although I'm inclined to agree with Rask that there wouldn't be - then > it might it be justified to add it were Brazil ever to go into > Freerunner production. > > A 1.3mp camera would produce complaints that it's a poor specification > compared to the iPhone. Hardly anyone would be grateful for the > addition of the barometric sensor. > > TBH, if the Freerunner were in reliable, long-term production, I might > be able to imagine a market for Freerunners amongst hang-glider > pilots. I think a person might be able to make a living adding > Christoph's sensor and selling Freerunners with varioaltimeter > software installed. The software would have to be closed-source, > however, to make a livelihood out of it and realistically it might > take a year to get the software to an acceptable quality for > commercial sales (and still longer to build-up market share). The > author might need to write anti-piracy measures into the code, and > what is to prevent a determined attacker from patching the kernel to > report a different IMEA number to the altimeter software? > > Stroller. > > > _______________________________________________ > Openmoko community mailing list > community@lists.openmoko.org > http://lists.openmoko.org/mailman/listinfo/community > I thought of adding this pressuresensor and using the freerunner as a gps-varioaltimeter for flying some time ago, but I think the display wont be readable in sunlight. And i would prefer hardwarebuttons while flying.
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