The other complication with simple CGI BIN scripts is if you have
multiple clients eating using their own browser. You have to manage
cookies or track IP addresses. Or for a simple home server, just let
thing fail if a second client starts making changes
On Mon, Jul 6, 2015 at 7:24 PM, Jim Lux
On 2015-07-04 07:13, Jim Lux wrote:
I've got a project I'm working on to make a sophisticated sundial with moving
mirrors. I've got a batch of Arduinos that move the mirrors to the appropriate
places, given the current sun angle, etc.
I've got a beaglebone that runs some python code to
On 7/7/15 9:59 PM, Brian Inglis wrote:
On 2015-07-04 07:13, Jim Lux wrote:
I've got a project I'm working on to make a sophisticated sundial with
moving mirrors. I've got a batch of Arduinos that move the mirrors to
the appropriate places, given the current sun angle, etc.
I've got a
A small task queue or message queue would serve the purpose of tying the
webserver to the other external tasks: 1) Web server queues job; 2) polls
via ajax for status or they could run syncronously. Python is not my forte
but there are a number that look like they integrate very well with python.
Hi
Having done this on *very* small machines with cgi before, the lag has never
been
an issue. Yes, the things I do are “tweaks” to variables, or data requests. I
do not try
to spawn a piece of code to compute PI to 800 places and wait for the result.
Bob
On Jul 6, 2015, at 10:24 PM, Jim Lux
Since you want simple just use a CGI script written in your language of
choice. Very easy technology to learn, Python has support libraries out of
the box if you want. You have a webpge with carious simple controls on it
like buttons etc, you click a special button that posts a request to a URL,
Yes cgi scripts take a few hours to learn and take only a small processor.
Drubbing a dims and all is overkill and will not perform well on the BBB.
On Monday, July 6, 2015, Tom Harris celephi...@gmail.com wrote:
Since you want simple just use a CGI script written in your language of
choice.
On 7/6/15 3:19 PM, Tom Harris wrote:
Since you want simple just use a CGI script written in your language of
choice. Very easy technology to learn, Python has support libraries out of
the box if you want. You have a webpge with carious simple controls on it
like buttons etc, you click a special
Keep it simple, use a Cgi bin script. Your url is can be any executable.
Any language you like. The script can do anything and then it writes out
html to stdout. Simple enough. .
On Saturday, July 4, 2015, Jim Lux jim...@earthlink.net wrote:
I've got a project I'm working on to make a
If looking at using the bbb for driving steppers.
http://blog.machinekit.io/p/hardware-capes.html?m=1
/Björn
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jim...@earthlink.net said:
Exactly... I've got an array of mirrors on az/el mounts (two servos
stacked) and the reflection from the mirrors on the wall forms the display.
How many pixels in that display? Or what is the unit of quality measurement?
What sort of ADEV are you aiming for? If
On 7/4/15 7:53 PM, Hal Murray wrote:
jim...@earthlink.net said:
Exactly... I've got an array of mirrors on az/el mounts (two servos
stacked) and the reflection from the mirrors on the wall forms the display.
How many pixels in that display? Or what is the unit of quality measurement?
What
Hi
On Jul 5, 2015, at 8:46 AM, Jim Lux jim...@earthlink.net wrote:
On 7/4/15 7:53 PM, Hal Murray wrote:
jim...@earthlink.net said:
Exactly... I've got an array of mirrors on az/el mounts (two servos
stacked) and the reflection from the mirrors on the wall forms the display.
How many
These are pricey but offer 5900 steps over 120 degrees. 0.02 degree per step.
At least you could try a couple. If you have many of them it would get
expensive quickly.
http://www.horizonhobby.com/ds8231-ultra-precision-servo-jrps8231
Sent from mobile
On Jul 5, 2015, at 7:46 AM, Jim Lux
I have been working on and off on that kind of project for a while.
One type of issue you have when trying to control hardware from a web page is
that any hardware access from a web server poses many issues, such as
permissions and the fact that web servers are basically stateless and many are
On 7/5/15 8:43 AM, Bob Camp wrote:
Hi
On Jul 5, 2015, at 8:46 AM, Jim Lux jim...@earthlink.net wrote:
On 7/4/15 7:53 PM, Hal Murray wrote:
jim...@earthlink.net said:
Exactly... I've got an array of mirrors on az/el mounts (two servos
stacked) and the reflection from the mirrors on the wall
Hi
On Jul 5, 2015, at 3:17 PM, Jim Lux jim...@earthlink.net wrote:
On 7/5/15 8:43 AM, Bob Camp wrote:
Hi
On Jul 5, 2015, at 8:46 AM, Jim Lux jim...@earthlink.net wrote:
On 7/4/15 7:53 PM, Hal Murray wrote:
jim...@earthlink.net said:
Exactly... I've got an array of mirrors on az/el
I've got a project I'm working on to make a sophisticated sundial with
moving mirrors. I've got a batch of Arduinos that move the mirrors to
the appropriate places, given the current sun angle, etc.
I've got a beaglebone that runs some python code to calculate sun angle
based on time
The
On 7/4/15 11:45 AM, Bill Dailey wrote:
Pysolar
Sent from mobile
Pysolar: staring directly at the sun since 2007
excellent.. thanks..
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On 04/07/2015 14:13, Jim Lux wrote:
...
BUT now, I'd like to add a web interface, so that it can be
manipulated by a mobile device using a browser.
...
Is the best scheme to go in and modify the webserver code to look for
specific URLs requested, and then fire off some custom code to do what
pyEphem will get the sun position stuff for you.
-steve
On Sat, Jul 4, 2015 at 6:13 AM, Jim Lux jim...@earthlink.net wrote:
I've got a project I'm working on to make a sophisticated sundial with
moving mirrors. I've got a batch of Arduinos that move the mirrors to the
appropriate places,
Pysolar
Sent from mobile
On Jul 4, 2015, at 8:13 AM, Jim Lux jim...@earthlink.net wrote:
I've got a project I'm working on to make a sophisticated sundial with moving
mirrors. I've got a batch of Arduinos that move the mirrors to the
appropriate places, given the current sun angle,
Somewhat new time-nut here (had one of the Samsung-branded Z3805s for a
few months as a house 10mhz ref, but it really got out of control when
I acquired a Wavecrest DTS, multiple frequency counters, an old Astron
1250a, a Lucent RFTG-u pair, etc.), thought I should finally de-lurk
since I can
Hi
As silly as it sounds, having a separate board for the user i/o is probably the
best way to go.
You already have an empire of devices that (somehow) chat with each other. The
barrier of
“it’s all on one device” has been broken even before i/o has been added.
The world of user input is a
On 7/4/15 1:42 PM, Simon Marsh wrote:
Pretty much every webserver ever written allows you to run a script in
response to a request. Nowadays there are frameworks that integrate
closely with the language of your choice and do all the heavy lifting
for you.
If fact, the problem is really too
On 7/4/15 11:55 AM, Mike Magin wrote:
Somewhat new time-nut here (had one of the Samsung-branded Z3805s for a
few months as a house 10mhz ref, but it really got out of control when
I acquired a Wavecrest DTS, multiple frequency counters, an old Astron
1250a, a Lucent RFTG-u pair, etc.), thought
On 7/4/15 12:31 PM, Bob Camp wrote:
Hi
As silly as it sounds, having a separate board for the user i/o is probably the
best way to go.
You already have an empire of devices that (somehow) chat with each other. The
barrier of
“it’s all on one device” has been broken even before i/o has been
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