On 12/31/07 3:51 AM, Douglas A. Tutty wrote:
On Mon, Dec 31, 2007 at 01:00:24AM +0100, chefren wrote:
On 12/29/07 5:27 PM, Douglas A. Tutty wrote:
Summary:
I still suggest a heartbeat monitor and a modem.
A heartbeat monitor makes the system seriously more complicated and thus
less
On 2007/12/31 15:07, chefren wrote:
And look at the workings of your heartbeat monitor: I bet it needs a loop in
the software that pings it. With software failures: Big chance that loop
still works and thus the heartbeat monitor isn't triggered while the system
as a whole can be considered
On 15:37:46 Dec 31, Stuart Henderson wrote:
Even so, it still allows recovery from some serious problems without
touching the machine. There are quite a few situations where this could
be very useful, though it might not be worth the extra expense and
complexity of adding an external device,
On Mon, Dec 31, 2007 at 03:37:46PM +, Stuart Henderson wrote:
On 2007/12/31 15:07, chefren wrote:
And look at the workings of your heartbeat monitor: I bet it needs a loop in
the software that pings it. With software failures: Big chance that loop
still works and thus the heartbeat
Girish Venkatachalam wrote:
Correct me if I am wrong but I believe it was this that saved the Mars
lander from total disaster a few years ago. I heard it was due to the
brilliant idea of some Indian professor. I don't remember much about it
now.
It's somewhat more difficult to access the
On 13:37:28 Dec 31, Steve Shockley wrote:
Girish Venkatachalam wrote:
Correct me if I am wrong but I believe it was this that saved the Mars
lander from total disaster a few years ago. I heard it was due to the
brilliant idea of some Indian professor. I don't remember much about it
now.
Getting an off-the-shelf MP3 player to play one sound file is not too
difficult. Ah, heck, a tape loop would work fine, too.
There are commercial MP3 modules which are designed to do exactly
what you are looking for, one example:
http://www.hobbyengineering.com/H2168.html
By itself, the
On 12/29/07 5:27 PM, Douglas A. Tutty wrote:
Summary:
I still suggest a heartbeat monitor and a modem.
A heartbeat monitor makes the system seriously more complicated and thus less
reliable.
If the proposed system boots from a non writable medium (yes there are flash
devices with a
On Mon, Dec 31, 2007 at 01:00:24AM +0100, chefren wrote:
On 12/29/07 5:27 PM, Douglas A. Tutty wrote:
Summary:
I still suggest a heartbeat monitor and a modem.
A heartbeat monitor makes the system seriously more complicated and thus
less reliable.
If the proposed system boots from a
Steve Shockley wrote:
[EMAIL PROTECTED] wrote:
On the other hand, the stash of Compaq iPaqs I came across recently have
built-in sound, a very capable built-in speaker, nearly silent in
operation and are easy for Joe Average to understand. We've got enough
we could even ship out a spare with
Nick Holland wrote:
Apparently, Compaq likes to (surprise) reuse product names.
http://www.cl.cam.ac.uk/~pb22/iPAQ/10638_na.html
I think that's what I was thinking of, at least the case looks like it.
I think at one point they marketed these as a thin client type of
device.
Interesting
On Sat, Dec 29, 2007 at 12:34:13AM -0500, [EMAIL PROTECTED] wrote:
Gary Baluha wrote:
On Dec 27, 2007 10:41 PM, Douglas A. Tutty [EMAIL PROTECTED] wrote:
You could have a Please wait light to be lit during the reboot.
This is precisely why I asked this question, to make sure this doesn't
[EMAIL PROTECTED] wrote:
On the other hand, the stash of Compaq iPaqs I came across recently have
built-in sound, a very capable built-in speaker, nearly silent in
operation and are easy for Joe Average to understand. We've got enough
we could even ship out a spare with the system for spare
This is a neat idea, but personally I think it'll be hard to make the device 0
maintenance, problems can always occur...
If you're set on using OpenBSD in this project, remove everything from the base
system that isn't needed... and try running the unit non-stop for 48/hours...
just to be
* Unix Fan [EMAIL PROTECTED] [2007-12-28 17:44]:
remove everything from the base system that isn't needed...
yeah THAT is certainly going to help... deleting binaries saves the
world!
--
Henning Brauer, [EMAIL PROTECTED], [EMAIL PROTECTED]
BS Web Services, http://bsws.de
Full-Service ISP -
What in the world???
Do you drive a car? if the answer is yes you have an unconnected
embedded device. Need more examples?
On Fri, Dec 28, 2007 at 08:34:24AM -0800, Unix Fan wrote:
This is a neat idea, but personally I think it'll be hard to make the device
0 maintenance, problems can
On Fri, Dec 28, 2007 at 08:34:24AM -0800, Unix Fan wrote:
(Consider a modem, or a net card... so remote maintenance is
possible..)
The problem with a net card is that then the end-user would have to set
up a dhcp server or some how have the card set up correctly. With a
modem, its pretty
In article [EMAIL PROTECTED], Nick Holland wrote:
What have I forgotten? Is there anything else I can do to avoid
slapping my forehead and saying, D'oh! Forgot to ... before I
ship it out fully detached? The good news is I'm pretty sure
there is at least one OpenBSD developer near-by,
On Dec 27, 2007 10:41 PM, Douglas A. Tutty [EMAIL PROTECTED] wrote:
I'd wire in a hardware-type heartbeat detector that will power-cycle the
computer if it stops working. I'd have a door over the money slot
powered by the computer so that it only accepts money when its working.
You could
On Fri, Dec 28, 2007 at 11:13:18AM -0600, Marco Peereboom wrote:
Do you drive a car? if the answer is yes you have an unconnected
embedded device. Need more examples?
Well, actually, my car doesn't include a digital computer. It has an
ignition module that is analog but no sensors. Nice
Use something like flashboot (www.mindrot.org/projects/flashboot)
perfect for this kind of application, take a look at the package
managment stuff
J
On Dec 28, 2007, at 10:18 AM, Tobias Weingartner wrote:
In article [EMAIL PROTECTED], Nick Holland
wrote:
What have I forgotten? Is
step 1. get a any old ipod on ebay
step 2. put a single mp3 tune on it
step 3. place it in a big box, with the play button located right
under a coin sized slot
openbsd is great, but it's not the hammer for all nails...
/Pete
On 28 Dec 2007, at 3:34 AM, Nick Holland wrote:
I've got a
On Fri, 28 Dec 2007, Marco Peereboom wrote:
What in the world???
Do you drive a car? if the answer is yes you have an unconnected
embedded device. Need more examples?
Indeed! How many Soekris routers are there in 'production', operating with
a config just as suggested?
Lee
Marco Peereboom wrote:
What in the world???
Do you drive a car? if the answer is yes you have an unconnected
embedded device. Need more examples?
No, I walk.. batteries not included..
Seriously, I was simply giving my opinion... unfortunately I walked under a
bridge and got
Well thank you for your valuable input captain obvious.
On Fri, Dec 28, 2007 at 05:13:41PM -0800, Unix Fan wrote:
Marco Peereboom wrote:
What in the world???
Do you drive a car? if the answer is yes you have an unconnected
embedded device. Need more examples?
No, I walk..
Gary Baluha wrote:
On Dec 27, 2007 10:41 PM, Douglas A. Tutty [EMAIL PROTECTED] wrote:
I'd wire in a hardware-type heartbeat detector that will power-cycle the
computer if it stops working. I'd have a door over the money slot
powered by the computer so that it only accepts money when its
I've got a little project I'm working on here.
It involves stuffing a computer in a donation box with a
money detector, so every time someone tosses money in the box,
it plays an MP3 file.
(no, you can't make a living at this. At least, *I* can't)
The first two of these I did were many years
On Thu, Dec 27, 2007 at 09:34:37PM -0500, Nick Holland wrote:
I've got a little project I'm working on here.
It involves stuffing a computer in a donation box with a
money detector, so every time someone tosses money in the box,
it plays an MP3 file.
However, this is the first time I've
Nick Holland wrote:
I've got a little project I'm working on here.
It involves stuffing a computer in a donation box with a
money detector, so every time someone tosses money in the box,
it plays an MP3 file.
(no, you can't make a living at this. At least, *I* can't)
The first two of these I
Nick Holland wrote:
Only 60M is mounted RW, so it fsck's
very quickly, and my app writes only to the MFS.
Why mount any CF partition RW? And you should be able to test your
system on a CD to prove it'll work without writing.
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