with the bitbanging and see if I can't find a way to get a
DS2483 and the AVR talking.
On Tue, Feb 11, 2014 at 11:15 AM, Eloy Paris pe...@chapus.net wrote:
On 02/11/2014 02:10 PM, Colin Reese wrote:
Yes, but I don't have to talk to the RFM. I can talk to the ATMega.
I am not following; what
I believe the USB is really just a combination of the FTDI/USB adapter and
the Moteino. The FTDI bridge is for programming, not for runtime. As far as
I know, that is.
Colin
On Tue, Feb 11, 2014 at 11:39 AM, Eloy Paris pe...@chapus.net wrote:
On 02/11/2014 02:29 PM, Colin Reese wrote
yes, as i thought.
On Tue, Feb 11, 2014 at 11:52 AM, Stuart Poulton webw...@gmail.com wrote:
Colin,
The FTDI bridge works the same as on an arduino, it's use for programming,
or for sending serial data from a running sketch to the PC.
Stuart
On 11 Feb 2014, at 19:47, Colin Reese wrote
I have very little Arduino experience, but I was under the impression that
the serial console over the FTDI was typically just used for debug.
On Tue, Feb 11, 2014 at 11:54 AM, Eloy Paris pe...@chapus.net wrote:
Hi Colin,
On 02/11/2014 02:47 PM, Colin Reese wrote:
I believe the USB
serial port), in which
you don't have to use USB and can use the RPi serial port directly.
On 02/11/2014 03:19 PM, Colin Reese wrote:
Yes, but we'd connect directly to the serial connection on the Pi after
disabling the console, not go through USB.
On Tue, Feb 11, 2014 at 12:11 PM, Eloy
I don't have any 1wire devices connected at the moment, but you can borrow
from this or I can adapt it for you: http://cupidcontrol.com/mobile/io.html
On Tue, Feb 11, 2014 at 4:17 PM, Top-Dog sean.ocon...@taitradio.com wrote:
Roberto Spadim wrote
what's the main idea? change the html
and no, you can't change stuff, because I disabled the buttons.
On Tue, Feb 11, 2014 at 4:23 PM, Colin Reese colin.re...@gmail.com wrote:
I don't have any 1wire devices connected at the moment, but you can borrow
from this or I can adapt it for you:
http://cupidcontrol.com/mobile/io.html
I've no problem using a host chip like the ds2483, which I use all over the
place. I'd strongly prefer this to bitbanging.
On Feb 10, 2014, at 4:38, Jan Kandziora j...@gmx.de wrote:
Am 10.02.2014 13:20, schrieb Colin Law:
On 10 February 2014 12:01, Vajk Fekete vaj...@gmail.com wrote:
I do
not think
you
could get cheaper with an avr and Xbee than a tplink 703n,
http://www.ebay.com/bhp/tp-link-tl-wr703n
I presume one would need a usb/1wire adaptor with that.
Colin
Vajk
On Sun, Feb 9, 2014 at 10:48 PM, Colin Reese colin.re...@gmail.com
wrote:
I want to run
, 2014 at 10:48 PM, Colin Reese colin.re...@gmail.com wrote:
I want to run a microcontroller with a remote owserver or 1Wire devices.
I don't want/need another linux box. A cheap AVR and WiFi unit like an
XBee WiFi would be ideal. Is there not AVR code that would run owserver
over a WiFi module
Vajk
On Sun, Feb 9, 2014 at 10:48 PM, Colin Reese colin.re...@gmail.com
wrote:
I want to run a microcontroller with a remote owserver or 1Wire
devices.
I don't want/need another linux box. A cheap AVR and WiFi unit like an
XBee WiFi would be ideal. Is there not AVR
-tl-wr703n
I presume one would need a usb/1wire adaptor with that.
Colin
Vajk
On Sun, Feb 9, 2014 at 10:48 PM, Colin Reese colin.re...@gmail.com
wrote:
I want to run a microcontroller with a remote owserver or 1Wire
devices.
I don't want/need another linux box
I already use a Pi for the main gateway. It's big with enclosure and
necessitates a PS.
Think about having a sensor gateway at one point with remote modules in each
room. It would be crazy to have a Pi in each room. Ideally the remotes could be
battery powered.
On Feb 10, 2014, at 6:20,
and Xbee than a tplink 703n,
http://www.ebay.com/bhp/tp-link-tl-wr703n
I presume one would need a usb/1wire adaptor with that.
Colin
Vajk
On Sun, Feb 9, 2014 at 10:48 PM, Colin Reese colin.re...@gmail.com
wrote:
I want to run a microcontroller with a remote
application for
http://owfs.org/index.php?page=external-sensor-design
Not sure where Paul is with support etc, if it even exits.
On 10/02/14 14:36, Colin Reese wrote:
Silly me; atmega328 has i2c. I can use the 2483, but need to get data
out.
Per the earlier conversation, can I mount
.
Vajk
On Mon, Feb 10, 2014 at 3:23 PM, Colin Reese colin.re...@gmail.com wrote:
What about a ds2480 into an atmega running owserver code 'emulation' over
wifi with an xbee or other wifi module?
On Feb 10, 2014, at 5:56, Vajk Fekete vaj...@gmail.com wrote:
You do need some 1wire host
.
On 10/02/14 14:36, Colin Reese wrote:
Silly me; atmega328 has i2c. I can use the 2483, but need to get data
out.
Per the earlier conversation, can I mount the xbee serial /dev/AMA0 as
a bus if running in transparent? I believe this us possible, but
limited to one bus.
This may have been
Google current transformer or ct if you want dc output, typically.
On Feb 9, 2014, at 6:26, Daniel MacKay dan...@bonmot.ca wrote:
Chris:
The non 1-Wire ones that you can buy in the store are like this:
http://centameter.co.nz/
... if you want just the component for the DIY
What do you need an op amp for? I use these things all over the place and plug
them straight into adcs, as long as the internal resistance is sufficient
On Feb 9, 2014, at 6:59, Marc dirix m...@dirix.nu wrote:
Hi Chris,
I think every reseller should be able to sell you one, because for
I see:
http://www.marcspages.co.uk/tech/ctcombin.htm
I never put them in series/parallel. I use dedicated adc channels directly with
no problems. I want to read each individually anyway.
Colin
On Feb 9, 2014, at 6:59, Marc dirix m...@dirix.nu wrote:
Hi Chris,
I think every reseller
I see - you're buying AC/AC CTs. I just buy DC current or voltage output.
Needn't mess with it.
On Feb 9, 2014, at 9:14, Marc dirix m...@dirix.nu wrote:
I use the opamp to integrate the half sine output of the clamp.
On Sun, Feb 9, 2014 at 6:05 PM, Colin Reese colin.re
supported bus masters.
Paul
On Mon, Jan 27, 2014 at 11:37 AM, Colin Reese colin.re...@gmail.com
mailto:colin.re...@gmail.com wrote:
Hello all,
As I mentioned previously, I'm playing around with extending my
1wire network wirelessly. What I end up with in most cases
of it but nothing
complete.
Colin
On 2/9/2014 13:41, Michael Markstaller wrote:
On 09.02.2014 22:13, Colin Reese wrote:
Paul,
How would you envision implementing a remote owserver over a WiFi module?
This is 100% easy and possible since many years, just take any
openwrt-router and run
Like this:
http://www.etherweather.com/
But actively developed and wireless.
Colin
On 2/9/2014 13:41, Michael Markstaller wrote:
On 09.02.2014 22:13, Colin Reese wrote:
Paul,
How would you envision implementing a remote owserver over a WiFi module?
This is 100% easy and possible since
On 2/9/2014 15:02, Michael Markstaller wrote:
On 09.02.2014 22:48, Colin Reese wrote:
I want to run a microcontroller with a remote owserver or 1Wire devices.
I don't want/need another linux box. A cheap AVR and WiFi unit like an
XBee WiFi would be ideal.
Nearly any TP-Link running OpenWRT
Not 1wire, but an interesting project : http://www.ladyada.net/make/tweetawatt/
Get yourself any good CT like this: https://www.sparkfun.com/products/11005
If needed, a simple voltage divider will cut this down to something measurable.
Standard practice for AC monitoring in panels in the
They make them in all sorts of current / voltage ratios. You'll
typically see 100:1, 500:1, 1000:1, etc. Just adjust based on load and
your ADC.
Looks like Dwyer has a line that conveniently falls into the DS2438
input range of 1-10V:
into these devices.
Paul Panish
On Saturday, February 1, 2014, Colin Reese colin.re...@gmail.com wrote:
Paul,
Is there a place besides here (http://owfs.org/index.php?page=to-do) for
discussion of planned device support?
I'd like to incorporate some MAX31850 thermocouple adapters, but I
with
thermocouple support.
Part if the dificult is distinguishing it from the max31825. Do you
have a 850 running to try some tests for me?
Sent via the Samsung Galaxy S™ III, an ATT 4G LTE smartphone
Original message
From: Colin Reese colin.re...@gmail.com
Amazing the range of observable failure modes on an RPi from poor power
supply. I've seen plenty myself.
Colin
On Mon, Feb 3, 2014 at 8:12 AM, Colin Tinker colin.tin...@gmail.com wrote:
Just to let you all know I sorted this one. New power supply for the
Raspberry Pi was not good enough
Hey Jim,
See my other post. RMS voltage is often not enough to diagnose a potential
problem, sadly. I can send you a PS that will give you 5.0-5.1 and destroy
your data cards.
Colin
On Mon, Feb 3, 2014 at 1:59 PM, Jim Lill j...@jimlill.com wrote:
I read about the 5V problem on R Pi before
The RMS fluctuation in many wall-wart power supplies is often large enough,
especially in the cheap ones, to create all sorts of problems, none of
which will produce any error resembling Hey, I need some more voltage. I
have a bunch of cheap chinese 5V power supplies that have something like
Paul,
Is there a place besides here (http://owfs.org/index.php?page=to-do) for
discussion of planned device support?
I'd like to incorporate some MAX31850 thermocouple adapters, but I don't
see owfs reference to them anywhere except this closed ticket:
http://sourceforge.net/p/bctl/tickets/2/
Hello all,
Decided to upgrade an older system I have, an RPi on an older version of
Raspbian, to 2.9p1. After installing libusb 1.0.9, however, it cannot find
it on build. Where does it expect it, and how can I help it find it? I
don't remember having any trouble with this last time I built it.
Nevermind. Under control.
On Thu, Jan 30, 2014 at 1:21 PM, Colin Reese colin.re...@gmail.com wrote:
Hello all,
Decided to upgrade an older system I have, an RPi on an older version of
Raspbian, to 2.9p1. After installing libusb 1.0.9, however, it cannot find
it on build. Where does
It looks great, but where is the hardware?
On Tue, Jan 28, 2014 at 11:57 AM, Paul Alfille paul.alfi...@gmail.comwrote:
I just looked at dash7 -- 439MHz radio. Looks interesting, but its not yet
clear to me out how it would fit in.
I'm trying to download the protocol but how do you envision
).
Paul Alfille
On Mon, Jan 27, 2014 at 4:33 PM, Colin Reese colin.re...@gmail.comwrote:
It will look like:
1Wire network (DS18B20, DS2408, etc) -- uC (ATTiny, ATmega) GPIO,
OneWire, DallasTemperature, SoftwareSerial libraries -- XBee/Zigbee send --
XBee/Zigbee receive -- RPi
At the moment
considered restricting masters, only
slaves).
Paul Alfille
On Mon, Jan 27, 2014 at 4:33 PM, Colin Reese colin.re...@gmail.comwrote:
It will look like:
1Wire network (DS18B20, DS2408, etc) -- uC (ATTiny, ATmega) GPIO,
OneWire, DallasTemperature, SoftwareSerial libraries -- XBee/Zigbee send
) are about $21.
Seems like your time is worth something, especially since the power and
timing and pulse contouring and echo suppression will be better.
On Tue, Jan 28, 2014 at 3:41 PM, Colin Reese colin.re...@gmail.com
mailto:colin.re...@gmail.com wrote:
Sorry, reading your last sentence
Details on the hardware? Avr?
On Jan 26, 2014, at 18:05, Paul Alfille paul.alfi...@gmail.com wrote:
Making progress?
Paul
On Mon, Dec 23, 2013 at 10:21 AM, Michael Markstaller m...@elabnet.de
wrote:
On 17.12.2013 14:07, Paul Alfille wrote:
I don't recall any uses of E1.
You
Hello all,
As I mentioned previously, I'm playing around with extending my 1wire
network wirelessly. What I end up with in most cases is a serial
communication bridge somewhere between my owfs installation and the
extended portion of the 1wire network.
My question is - how difficult would it be
section since the rest of
the design is close to their currently supported bus masters.
Paul
On Mon, Jan 27, 2014 at 11:37 AM, Colin Reese colin.re...@gmail.comwrote:
Hello all,
As I mentioned previously, I'm playing around with extending my 1wire
network wirelessly. What I end up with in most
and will merge with a local network:
The other option is a new Wifi bus master from Embedded Data Services. I'm
currently working on support -- mainly the wifi section since the rest of
the design is close to their currently supported bus masters.
Paul
On Mon, Jan 27, 2014 at 11:37 AM, Colin
you pay 10usd?
2014-01-27 Colin Reese colin.re...@gmail.com:
So how does a local owfs instance read a remote server and merge
networks?
Could you potentially use something like ser2net to filter and pipe
serial
1wire data to a local TCP port, and then have the local owfs instance
read
remember the command line but something like
owhttpd -s ser2net_ip:ser2net_port -p 80
2014-01-27 Colin Reese colin.re...@gmail.com:
I want wireless, and my wireless devices talk serial.
Best I can think is to read on serial, process data into owfs friendly
format (similar to what owfs
It will look like:
1Wire network (DS18B20, DS2408, etc) -- uC (ATTiny, ATmega) GPIO, OneWire,
DallasTemperature, SoftwareSerial libraries -- XBee/Zigbee send --
XBee/Zigbee receive -- RPi
At the moment the serial output from the uC is just code I write that says
'hey, here the temperature is'.
A very similar conversation here:
http://comments.gmane.org/gmane.comp.file-systems.owfs.devel/9734
On Mon, Jan 27, 2014 at 1:33 PM, Colin Reese colin.re...@gmail.com wrote:
It will look like:
1Wire network (DS18B20, DS2408, etc) -- uC (ATTiny, ATmega) GPIO, OneWire,
DallasTemperature
layer.
Colin
On Mon, Jan 27, 2014 at 1:39 PM, Colin Reese colin.re...@gmail.com wrote:
A very similar conversation here:
http://comments.gmane.org/gmane.comp.file-systems.owfs.devel/9734
On Mon, Jan 27, 2014 at 1:33 PM, Colin Reese colin.re...@gmail.comwrote:
It will look like:
1Wire
This conversation topic has made me feel fairly dense over the past several
months, as somebody who is pretty decent at figuring things out. I reached
a moment of clarity this morning. I'll create a couple diagrams and put up
a blog entry about it, and link you. For reference, it's all on the pi
Here is my quick upload of what is probably very basic stuff for the
members of this group, but eluded me for some time about employing owserver
with owhttpd, owfs, and owpython: http://www.cupidcontrols.com/?p=170 .
Cheers,
C
On Wed, Jan 22, 2014 at 8:00 AM, Colin Reese colin.re...@gmail.com
, Colin Reese colin.re...@gmail.com wrote:
Good info. I'm not sure why it should choke on that. There are examples of
sqlite for huge implementations, but I'd probably journal a log long before
it got to that size.
If I remember correctly it didn't choke on the writing itself. It's
just
I'm interested in the mechanics of why this occurs. If you don't need the
information in the browser as an end goal and are only using it as a
diagnostic then my solution probably isn't for you. If you want to get a UI
in a browser, than it's somewhere you're going already.
On Tue, Jan 7, 2014
There are a dozen ways to display your data. The absolute simplest is to parse
the text data directly in the 1wire directory directly using javascript/jquery
on timeout in the page, and manipulating the dom using class or id identifiers.
I can outline some options and techniques if you are
If you want something that automatically updates in the page without a refresh,
you're going to need something on the client side to request and process the
data in the DOM, or get even more advanced with push techniques. Jquery/ajax is
in my opinion the easiest and most readable way to do
with a DS18B20, which interestingly was still
returning readings at 2.72v until the BOD on the 328 sent the sensor node
into a reboot loop.
Stuart
On 2 Jan 2014, at 19:12, Colin Reese wrote:
From what I've read, the series 2 are capable of mesh networking and low
power mode
. It also
has the benefit of synchronizing readings if you wish. Good for process
control.
Colin
On Jan 2, 2014, at 14:20, Pedro Côrte-Real pe...@pedrocr.net wrote:
On Thu, Jan 2, 2014 at 7:49 PM, Colin Reese colin.re...@gmail.com wrote:
The more intelligent way would be to bring it up and push
Looks like I wrote essentially the same thing, except using python except ruby
and sqlite instead in MySQL.
On Jan 2, 2014, at 15:20, Pedro Côrte-Real pe...@pedrocr.net wrote:
On Thu, Jan 2, 2014 at 10:31 PM, Colin Reese colin.re...@gmail.com wrote:
My current approach is to separate
, at 16:27, Pedro Côrte-Real pe...@pedrocr.net wrote:
On Thu, Jan 2, 2014 at 11:57 PM, Colin Reese colin.re...@gmail.com wrote:
Looks like I wrote essentially the same thing, except using python except
ruby and sqlite instead in MySQL.
I started with sqlite and had to change it for a real
Thanks Stuart! Great, useful write-up.
I definitely looked at the XRF line, especially considering the pricepoint.
Ultimately the reason I chose XBee was that I anticipated users would want
to connect to their other Zigbee devices, and would therefore find an
on-board receiver useful for other
, at 20:02, Colin Reese wrote:
Thanks Stuart! Great, useful write-up.
I definitely looked at the XRF line, especially considering the
pricepoint. Ultimately the reason I chose XBee was that I anticipated users
would want to connect to their other Zigbee devices, and would therefore
find
On 12/23/2013 07:27, Michael Markstaller wrote:
On 20.12.2013 20:58, Colin Reese wrote:
Hello all,
I've seen fragments here and there about wireless 1wire networks, but
nothing that sticks out as developed and/or inexpensive. Anybody have
success with IO over wireless, be it zigbee, sdr
Hello all,
I've seen fragments here and there about wireless 1wire networks, but
nothing that sticks out as developed and/or inexpensive. Anybody have
success with IO over wireless, be it zigbee, sdr, or otherwise, to
something like an RPi?
Regards,
Colin
Hello all,
Can someone please point to examples using python with a fully functioning
owfs installation? I'm doing just fine with owfs and parsing directories,
but would like to access it in object notation.
Thanks,
Colin
I put them in copper tubing with heat transfer compound and crimp and fold the
end. You could apply solder as well, but I don't because I use them in boiling
wort. I have not yet had a failure.
Colin
On Dec 8, 2013, at 12:31, Håkan Elmqvist hak...@smeden.org wrote:
I have for some years
I use python to parse the files as well, but would prefer the
object-oriented approach I've seen in the owpython implementation. From
what I can tell, using the python would require nothing but the source, and
possibly an install using python-setuptools if one wanted to invoke it from
anywhere. I
Why is the owpython source not downloadable? I wish I'd known about it and
would be happy to contribute. First I need to download it...
On Wed, Dec 4, 2013 at 2:12 PM, Top-Dog sean.ocon...@taitradio.com wrote:
Hi,
I'm pretty new to the owfs and have been trying to get it working properly
but
Hello all,
I have an RPi that up until now has been faithfully reading multiple
DS18B20s on a DS9490Rs for months on end. The devices have taken to
disappearing after one to several hours. This is what I have:
The bus is still present as bus.0
Killing owfs and restarting does not bring the
Oh also, I ran cat on all files in stats/errors and got nothing but zeroes.
C
On 11/1/2013 21:53, Colin Reese wrote:
Hello all,
I have an RPi that up until now has been faithfully reading multiple
DS18B20s on a DS9490Rs for months on end. The devices have taken to
disappearing after one
I don't know of a consensus, but I use the following:
Standard 4-conductor colors:
1: VDD (GRN)
2: N/C (YEL)
3: Data (RED)
4: GND (BLK)
In an RJ45 jack this gives the following for T568B:
3: VDD (WHT/GRN)
4: N/C (BLU)
5: DATA (WHT/BLU)
6: GRD (GRN)
If I did it again, I'd probably swap the
:
Colin Reese colin.reese at gmail.com writes:
My experience with i2c (2483) on 2.8p15 was at first double and
intermittent probes and then no probes. I upgraded to 2.9 and everything
works.
Hi Colin,
Was it on a Raspberry Pi?
Did you compile on the Pi itself?
The 2.9p1 and 2.9p0
doesn't 'cat /ow/10.*/temperature' initiate a simple read?
Colin
On Thu, Oct 10, 2013 at 9:25 AM, Håkan Elmqvist hak...@smeden.org wrote:
And here is the result for 12 DS1820:
root@hemx:~# echo 1 /ow/simultaneous/temperature; time (sleep 1; cat
/ow/10.*/temperature;)
23.5
perfect. thank you.
On Thu, Oct 10, 2013 at 2:43 PM, Jan Kandziora j...@gmx.de wrote:
Am 10.10.2013 22:17, schrieb Håkan Elmqvist:
To get a proper answer to that question you will have ask Paul Afille.
But my understanding is that owfs remembers that it recently has issued
a skip rom
My experience with i2c (2483) on 2.8p15 was at first double and
intermittent probes and then no probes. I upgraded to 2.9 and everything
works.
On Wed, Oct 9, 2013 at 10:34 AM, Guy COLIN guy.co...@gmail.com wrote:
Paul Alfille paul.alfille at gmail.com writes:
Tell me more about
Without comment on the details of this situation, that is not how
convection and conduction work.
Convection is typically described by Newton's law of cooling: q=hA(T-Tamb)
Conductions is q=k*dT/dx ~k (Tsurf-Tamb)/dx
Thus the heat transfer rate depends explicitly on the difference between
conduction and
convection.
C
On 10/5/2013 02:02, Colin Law wrote:
On 5 October 2013 09:31, Colin Reese colin.re...@gmail.com wrote:
Without comment on the details of this situation, that is not how
convection and conduction work.
Convection is typically described by Newton's law of cooling: q
it transfers the balancing amount of energy via conduction and
convection.
C
On 10/5/2013 02:02, Colin Law wrote:
On 5 October 2013 09:31, Colin Reese colin.re...@gmail.com wrote:
Without comment on the details of this situation, that is not how
convection and conduction work
Why on earth are they so expensive?
Colin
On Sep 28, 2013, at 12:10, Colin Law clan...@googlemail.com wrote:
On 28 September 2013 18:37, brucek bru...@valinet.com wrote:
Well, I tracked down my ow network failure to the melted DS9490R. It looks
like it could have actually been a fire
Still $30. They should be $5 at most. The linkusb seems to 'solve' a problem I
never had.
On Sep 28, 2013, at 12:20, Don Veino sourceforge_...@veino.com wrote:
I've been very happy with the LinkUSB, which I have used in three
installations.
Here's a better question: why is the ds2490 $20 if you can find it, but the
ds2483 is $0.60 and widely available?
Colin
On Sep 28, 2013, at 12:20, Don Veino sourceforge_...@veino.com wrote:
I've been very happy with the LinkUSB, which I have used in three
installations.
Is there a need and a way to disable the w1 kernel function elsewhere mentioned?
Thanks,
Colin
On Sep 26, 2013, at 16:59, Jan Kandziora j...@gmx.de wrote:
Am 27.09.2013 01:40, schrieb Colin Reese:
How does one make use of this?
The simultaneous/single_ds2400? Simply by reading that node
On Sep 26, 2013, at 16:14, Jan Kandziora j...@gmx.de wrote:
Am 26.09.2013 07:48, schrieb Colin Reese:
This is a very interesting topic. I've used ds9490s forever in
various topologies wired individually with RJ and never had an issue
with finding devices, using maxim's drivers
Hello,
This is a very interesting topic. I've used ds9490s forever in various
topologies wired individually with RJ and never had an issue with finding
devices, using maxim's drivers on windows and owfs on Linux. It definitely gets
slower as the number of devices increases, but no problems
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