OpenMoko Remote Controller (SoC)
David Murrell
dmurrell at waikato.ac.nz
Mon Apr 28 14:53:09 CEST 2008
Yeah, I had a look at the page, summed up rather well at the bottom -
basically we're limited to somewhat coarse motor movements, unless one axis
is restricted.
I had an idea to strap it to my motorbike, start it logging, and go for a
blat and see what the output is. Could be interwesting, and possibly
expensive. "Honestly officer, I was just trying to get some bigger
acceleration numbers"
I'm probably over tired, but the concept of going over a particular type of
bump in the car that makes your stomach feels like its just dropped, and
having the phone play a "weeee" sound gives me a bit of a chuckle.
Still, it shall be fun to play with, I don't doubt.
TTFN,
David
-----Original Message-----
From: community-bounces at lists.openmoko.org
[mailto:community-bounces at lists.openmoko.org] On Behalf Of Ian Stirling
Sent: Monday, 28 April 2008 11:15 p.m.
To: List for Openmoko community discussion
Subject: Re: OpenMoko Remote Controller (SoC)
David Murrell wrote:
> Wait a minute...
>
> /me backs up the metaphorical truck...
>
> Just _how_ accurate are these accelerometers?
>
http://wiki.openmoko.org/wiki/Technical:Accelerometer_Fundamentals gives
some ideas. The basis of this is the accelerometer used in the wii - as that
is about the sensitivity most of the best of the crop have.
However, the freerunner has a resolution of 16mg (milligee) - compared to
under 1 - for the numbers I used in this page.
As to speed - essentially as fast as you read it.
> Are we talking the sorta half second delay with exagerated drunk
> movements required to operate the nintendo wii, or precise movements
> that can catch my cat doing the sideways wiggle in realtime before she
> jumps at something if I was to strap it to her?
> (Yes, I realise that attaching a phone to a cat is like trying to pin
> the tail on a live donkey, you get one chance, and then its all pain,
> but I
> digress)
>
> TTFN,
> David
>
> -----Original Message-----
> From: community-bounces at lists.openmoko.org
> [mailto:community-bounces at lists.openmoko.org] On Behalf Of Flemming
> Richter Mikkelsen
> Sent: Sunday, 27 April 2008 5:56 a.m.
> To: List for Openmoko community discussion
> Subject: Re: OpenMoko Remote Controller (SoC)
>
> On 4/26/08, Flemming Richter Mikkelsen <quatrox at gmail.com> wrote:
>> It would be nice if we can choose between input.
>> Sometimes it is nice to use the touchscreen as a mice, while other
>> times I would prefer the accelerometers (e.g.
>> if you want to use the display to something else at the same time).
>
> ... and if you use the accelerometers, you can actually move the
> device just like if it was a mice:) That would be very cool. Tilting
> is also an alternative and should be implemented before this regular
> mice behavor thing, since it is a lot more easy to code.
>
> --
> Please don't send me Word or PowerPoint attachments.
> See http://www.gnu.org/philosophy/no-word-attachments.html
>
> Join the FSF as an Associate Member at:
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>
> Free your mind - Open(moko) your phone
>
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