Re: [PLUG] Looking for PC/Main board x686 (could be K7) with 2-3 EISA slots
Would post it, but no longer in my trash "folder". It maybe in another place but that's at work and will look tomorrow. -pete On Sun, Jan 15, 2017 at 5:31 PM, Denis Heidtmann wrote: > Would you be willing to post the message you received from FG? If your > description of the response were typical I would stay away too. But my > experience has been otherwise. If they were out-of-line they should know > about it and take corrective action. They perform a useful service, and > good customer relations helps them perform that service. > > -Denis > > On Sun, Jan 15, 2017 at 10:06 AM, Pete Lancashire > wrote: > >> So I emailed FG, a few days later received a reply that basically said >> "you have to be kidding, why the heck should we waste our time, btw we >> have this store that has great stuff it in with prices higher than >> Ebay even with shipping. >> >> Oh .. I was in the 'hood so I dropped in, let's see a as-is Mac cube >> thing, said AS-IS $25, a crappy Dell desktop, the ones the sell on CL >> for $10 or Goodwill (with their > $750K CEO) for $20-30, price $100 >> with 1GB memory. How about a USB (not C) cable for $5. PC keyboard >> with a missing key for $5. 17" LCD for $80, same model as the one I >> got at Goodwill for $20. Old DC-600 tape cartridges marked down to $18 >> from $25, AS-IS no return. >> >> Sure glad I didn't go out of my way. >> >> >> >> On Sun, Jan 8, 2017 at 7:25 PM, Pete Lancashire >> wrote: >> > I am no longer looking for any, when the contract was completed the >> > customer purchased the system from me, I currently do not have a >> > requirement. >> > >> > In retrospect I'm glad FG declined, I was willing at the time to >> > offer up to $100 per drive, but acquired some for $5 each plus a 50 >> > miles round trip. >> > >> > -pete >> > >> > On Sun, Jan 8, 2017 at 6:19 PM, Jim Karlock wrote: >> >> I got several hits when I entered 8" floppy on ebay. >> >> >> >> Thanks >> >> JK >> >> >> >> >> >> At 05:04 PM 1/8/2017, you wrote: >> >>>Sadly I've given up on FG. I was looking for a couple 8" DS floppy >> >>>drives, had a request to see if I could recover some CAD data. Someone >> >>>said the same thing so I called FG. Confirmed they still had them but >> >>>they would not sell them to me, had to be scrapped, gave some super >> >>>lame excuses. >> >>> >> >>>-pete >> >>> >> >>>On Sun, Jan 8, 2017 at 4:55 PM, Chuck Hast wrote: >> >>> > Dropped two machines with that sort of board in them off at Free >> Geek a bit >> >>> > over a week ago. >> >>> > >> >>> > On Sun, Jan 8, 2017 at 4:50 PM, Pete Lancashire < >> p...@petelancashire.com> >> >>> > wrote: >> >>> > >> >>> >> Anyone have an old PC K7 or newer that has at least 2 EISA slots >> that >> >>> >> they no longer want ? >> >>> >> >> >>> >> -pete >> >>> >> ___ >> >>> >> PLUG mailing list >> >>> >> PLUG@lists.pdxlinux.org >> >>> >> http://lists.pdxlinux.org/mailman/listinfo/plug >> >>> >> >> >>> > >> >>> > >> >>> > >> >>> > -- >> >>> > >> >>> > Chuck Hast -- KP4DJT -- >> >>> > Glass, five thousand years of history and getting better. >> >>> > The only container material that the USDA gives blanket approval on. >> >>> > ___ >> >>> > PLUG mailing list >> >>> > PLUG@lists.pdxlinux.org >> >>> > http://lists.pdxlinux.org/mailman/listinfo/plug >> >>>___ >> >>>PLUG mailing list >> >>>PLUG@lists.pdxlinux.org >> >>>http://lists.pdxlinux.org/mailman/listinfo/plug >> >> ___ >> >> PLUG mailing list >> >> PLUG@lists.pdxlinux.org >> >> http://lists.pdxlinux.org/mailman/listinfo/plug >> ___ >> PLUG mailing list >> PLUG@lists.pdxlinux.org >> http://lists.pdxlinux.org/mailman/listinfo/plug >> > ___ > PLUG mailing list > PLUG@lists.pdxlinux.org > http://lists.pdxlinux.org/mailman/listinfo/plug ___ PLUG mailing list PLUG@lists.pdxlinux.org http://lists.pdxlinux.org/mailman/listinfo/plug
Re: [PLUG] Temperature and Raspberry Pi.
As mentioned by Chuck and his links - the beauty of these sensors is that you can connect quite a few of them together to 1-wire bus and address them by their unique ID. DS18B20 are really much better choice than USB thermometers when you need to measure temperature at more than one/two places. a) you need USB port for every USB thermometer - so you end up building chains of USB hubs and being limited by length and cost of USB cables b) 1-wire interface can connect many DS18B20 thermometers over long distance and the cable is dirt cheap/thin. c) DS18B20 are about order of magnitude more precise than USB Tempers Chuck mentions many useful links which I will not repeat. In short, you do not need to develop anything for this mature problem. Just hook the stuff together on RaspberryPi, use the 1-wire kernel modules (w1-gpio w1-therm) and read the values from /sys/bus/w1/devices - you will see one directory for each device. Have a look at this web page about the project scope/difficulty: https://pimylifeup.com/raspberry-pi-temperature-sensor/ Here is datasheet for the sensor itself: https://datasheets.maximintegrated.com/en/ds/DS18S20.pdf I personally used the USB thermometers to debug some cooling zone balancing problems in my data center. It is trivial to just plug the Tempers to front panel USB ports on a servers in different cooling zones/isles, read them by cron and push the values to a DB for simple web CGI interface. I was OK with +-2.5C precision for trending and zone balancing modifications. The thermometers were also great for remote alarms when something went completely wrong - the cooling went down once per 2-3 years kind of events caused by people shutting PCW, clogged filters or . All that because the cooling system monitoring/alarms/control were linked to some closed source systems at fire and disaster response and not me ... Hope it helps, Tomas On Tue, 2017-01-17 at 11:54 -0800, Michael C. Robinson wrote: > > I would highly recommend the Maxim DS18B20 as mentioned in the link > > by > > Chuck if you need something more accurate. They cost under $2 in > > the > > waterproof version. > > Hat-down to the analog designers @ Maxim designing them so precise > > within this wide temperature and voltage range (±0.5°C Accuracy > > from > > -10°C to +85°C @ Vdd=3-5.5V) <-- the probe + reference + A/D > > convertor > > are at the same hot/cold temperature and at variable voltage for > > about > > $1 per sensor delivered. Amazing, in my opinion. > > I hope it helps, Tomas > > Using the GPIO pins would work if I needed one temperature, but I'm > trying to monitor the temperature of the air coming out of 7 servers. > Maybe I need different scripts or maybe I need a special out of tree > driver. > ___ > PLUG mailing list > PLUG@lists.pdxlinux.org > http://lists.pdxlinux.org/mailman/listinfo/plug ___ PLUG mailing list PLUG@lists.pdxlinux.org http://lists.pdxlinux.org/mailman/listinfo/plug
Re: [PLUG] Temperature and Raspberry Pi.
I found a more current project and have one of my TEMPER2 sensors reading correctly. Seems that I can only do one sensor at a time, but that's a start ;-) This project uses CherryPy. ___ PLUG mailing list PLUG@lists.pdxlinux.org http://lists.pdxlinux.org/mailman/listinfo/plug
Re: [PLUG] Temperature and Raspberry Pi.
youse can put up to 8 of these buggers on the I2C bus. That is one more than your need. https://learn.adafruit.com/adafruit-mcp9808-precision-i2c-temperature-sensor-guide/overview Or you can stay with the one you have and use the addressing to read the other 6 you need: https://www.modmypi.com/blog/ds18b20-one-wire-digital-temperature-sensor-and-the-raspberry-pi These devices are all addressed so you can have as many as the addressing scheme will allow. It appears that the ds18b20 should allow quite a few as each one appears to be addressed by the serial number. Here is another nice piece about them: https://cdn-learn.adafruit.com/downloads/pdf/adafruits-raspberry-pi-lesson-11-ds18b20-temperature-sensing.pdf On Tue, Jan 17, 2017 at 11:54 AM, Michael C. Robinson < mich...@robinson-west.com> wrote: > > I would highly recommend the Maxim DS18B20 as mentioned in the link > > by > > Chuck if you need something more accurate. They cost under $2 in the > > waterproof version. > > Hat-down to the analog designers @ Maxim designing them so precise > > within this wide temperature and voltage range (±0.5°C Accuracy from > > -10°C to +85°C @ Vdd=3-5.5V) <-- the probe + reference + A/D > > convertor > > are at the same hot/cold temperature and at variable voltage for > > about > > $1 per sensor delivered. Amazing, in my opinion. > > I hope it helps, Tomas > > Using the GPIO pins would work if I needed one temperature, but I'm > trying to monitor the temperature of the air coming out of 7 servers. > Maybe I need different scripts or maybe I need a special out of tree > driver. > ___ > PLUG mailing list > PLUG@lists.pdxlinux.org > http://lists.pdxlinux.org/mailman/listinfo/plug > -- Chuck Hast -- KP4DJT -- Glass, five thousand years of history and getting better. The only container material that the USDA gives blanket approval on. ___ PLUG mailing list PLUG@lists.pdxlinux.org http://lists.pdxlinux.org/mailman/listinfo/plug
Re: [PLUG] Temperature and Raspberry Pi.
> I would highly recommend the Maxim DS18B20 as mentioned in the link > by > Chuck if you need something more accurate. They cost under $2 in the > waterproof version. > Hat-down to the analog designers @ Maxim designing them so precise > within this wide temperature and voltage range (±0.5°C Accuracy from > -10°C to +85°C @ Vdd=3-5.5V) <-- the probe + reference + A/D > convertor > are at the same hot/cold temperature and at variable voltage for > about > $1 per sensor delivered. Amazing, in my opinion. > I hope it helps, Tomas Using the GPIO pins would work if I needed one temperature, but I'm trying to monitor the temperature of the air coming out of 7 servers. Maybe I need different scripts or maybe I need a special out of tree driver. ___ PLUG mailing list PLUG@lists.pdxlinux.org http://lists.pdxlinux.org/mailman/listinfo/plug
Re: [PLUG] What certifications to take?
In my past case I worked in the glass container industry, base pay was not too bad, but the OT made it a gold mine, but I was working 12-16 hour days. When I would apply to a place and they found out what I made while at Emhart Glass they would back off. I would try to explain to them that was due to great amounts of OT and I almost killed myself in the process. I would explain that I did not want to go down that route again and I wanted to do something that did not require me to take drugs to keep from going to sleep in order to get the job done. But all they could see was the 6 digit number for gross income for the years that I was at Emhart, they would not listen to what I would try to explain to demonstrate. That kept me out of the work force for far too long until a job came around that really did not care. They told me, "we pay X, is it acceptable?" I said yes and they hired me. No looking at past salary, nothing like that. It was a good job until the cost center was killed. Had fun building servers to store all of the food safety documents a food processor has to keep. They all kept them on paper in a room, we were offering to move them to a system that not only stored the documents but captured data off of the line sensors, the access was any web browser, so if you were out on a production line and you thought you saw a HACCP violation you could log into the GMP area and look at the rules regarding whatever was in question. I used a wiki to store the data, so each time there was a change to the data the old data was kept as per Food and Drug requirements. It worked well, too bad the guy that sold the stuff did not present a proper timeline to sell, but that is another story. Set those things up as VSphere VM's and the system took a image of the VM in the wee hours of the morning, so if something went haywire we just went to the previous day image and started from there. We let the local guys pick through the bad image and get any data out of it they needed, if that was pos- sible. Usually the past day data was still on paper or available somewhere to refill the lost info. Used Turnkey Linux images with the wiki software in them. Worked great, just bad timing by the department manager. On Tue, Jan 17, 2017 at 8:12 AM, Paul Heinlein wrote: > On Tue, 17 Jan 2017, Rich Shepard wrote: > > > On Mon, 16 Jan 2017, Mike C. wrote: > > > >> I've also run into the over-qualified claim, but most often that > >> was for perm/f-t positions. Currently, my interest lies more in > >> Linux and privacy/security. > > > > If someone tells you you're over-qualified for the position try > > assuring them you'll under-perform. :-) > > Ha! > > The over-qualified message usually boils down to two concerns: > > 1. You'll be out the door soon. We have little to teach you, and > you're just in a holding pattern awaiting a position in line with > your experience. > > 2. You won't respect the chain of command here because you know (or > think you know) more than your manager or team lead. > > If people really want a position for which they're over-qualified, > they need to address those two concerns. (If you don't really want it, > but are just slumming until a real job comes along, well, my point is > proven.) > > -- > Paul Heinlein <> heinl...@madboa.com <> http://www.madboa.com/ > ___ > PLUG mailing list > PLUG@lists.pdxlinux.org > http://lists.pdxlinux.org/mailman/listinfo/plug > -- Chuck Hast -- KP4DJT -- Glass, five thousand years of history and getting better. The only container material that the USDA gives blanket approval on. ___ PLUG mailing list PLUG@lists.pdxlinux.org http://lists.pdxlinux.org/mailman/listinfo/plug
Re: [PLUG] Temperature and Raspberry Pi.
Stratification occurs rapidly if you don't have your ice at all levels of your container. Ice floats, warmer water sinks. On Tue, Jan 17, 2017 at 3:15 AM, Tom wrote: > You will need to calibrate the sensors to get real/absolute > measurements out of these devices, in my experience. > I used them for datalogging and they were +-3C between the three of > them I had. > They were self heating by the read process, so you need to let them > stabilize before calibrating and then read them at the same (slow > > 60s) intervals as when calibrating. > I calibrated them to 0C and 60C, determining offset and scaling for > each of them. Although the thermometers were not very linear to this > simple calibration, they were OK to +- about 1C within the range. > I would highly recommend the Maxim DS18B20 as mentioned in the link by > Chuck if you need something more accurate. They cost under $2 in the > waterproof version. > Hat-down to the analog designers @ Maxim designing them so precise > within this wide temperature and voltage range (±0.5°C Accuracy from > -10°C to +85°C @ Vdd=3-5.5V) <-- the probe + reference + A/D convertor > are at the same hot/cold temperature and at variable voltage for about > $1 per sensor delivered. Amazing, in my opinion. > I hope it helps, Tomas > On Mon, 2017-01-16 at 23:48 -0800, Michael C. Robinson wrote: > > I am using a Raspberry Pi 3 2016 Model B. > > > > I'm trying to use USB TEMPer2 Thermometers to detect the temperature > > of ice water and the temperature of nearly boiling water. I am not > > getting the correct temperatures. > > > > pi@raspbypi:~/project $ cat temper-pi.txt > > http://www.linuxjournal.com/content/temper-pi > > pi@raspbypi:~/project $ > > > > pi@raspbypi:~/project $ lsusb > > Bus 001 Device 010: ID 0c45:7401 Microdia > > Bus 001 Device 009: ID 0c45:7401 Microdia > > Bus 001 Device 008: ID 0c45:7401 Microdia > > Bus 001 Device 007: ID 0409:0058 NEC Corp. HighSpeed Hub > > Bus 001 Device 005: ID 0a81:0205 Chesen Electronics Corp. PS/2 > > Keyboard+Mouse Adapter > > Bus 001 Device 011: ID 0c45:7401 Microdia > > Bus 001 Device 006: ID 0c45:7401 Microdia > > Bus 001 Device 004: ID 0409:0058 NEC Corp. HighSpeed Hub > > Bus 001 Device 003: ID 0424:ec00 Standard Microsystems Corp. > > SMSC9512/9514 Fast Ethernet Adapter > > Bus 001 Device 002: ID 0424:9514 Standard Microsystems Corp. > > Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub > > pi@raspbypi:~/project $ > > > > pi@raspbypi:~/project $ lsusb -t > > /: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=dwc_otg/1p, 480M > > |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/5p, 480M > > |__ Port 1: Dev 3, If 0, Class=Vendor Specific Class, > > Driver=smsc95xx, 480M > > |__ Port 2: Dev 4, If 0, Class=Hub, Driver=hub/4p, 480M > > |__ Port 1: Dev 6, If 0, Class=Human Interface Device, > > Driver=, 1.5M > > |__ Port 1: Dev 6, If 1, Class=Human Interface Device, > > Driver=, 1.5M > > |__ Port 4: Dev 11, If 0, Class=Human Interface Device, > > Driver=, 1.5M > > |__ Port 4: Dev 11, If 1, Class=Human Interface Device, > > Driver=, 1.5M > > |__ Port 3: Dev 5, If 0, Class=Human Interface Device, > > Driver=usbhid, 1.5M > > |__ Port 3: Dev 5, If 1, Class=Human Interface Device, > > Driver=usbhid, 1.5M > > |__ Port 4: Dev 7, If 0, Class=Hub, Driver=hub/4p, 480M > > |__ Port 1: Dev 8, If 0, Class=Human Interface Device, > > Driver=, 1.5M > > |__ Port 1: Dev 8, If 1, Class=Human Interface Device, > > Driver=, 1.5M > > |__ Port 2: Dev 9, If 0, Class=Human Interface Device, > > Driver=, 1.5M > > |__ Port 2: Dev 9, If 1, Class=Human Interface Device, > > Driver=, 1.5M > > |__ Port 4: Dev 10, If 0, Class=Human Interface Device, > > Driver=, 1.5M > > |__ Port 4: Dev 10, If 1, Class=Human Interface Device, > > Driver=, 1.5M > > pi@raspbypi:~/project $ > > > > pi@raspbypi:~/project/temper-python $ cat take_temps.bash > > #!/bin/bash > > > > while (true) > > do > > > sudo temper-poll -p > > > sleep 10 > > done > > > > @raspbypi:~/project/temper-python $ ./take_temps.bash > > Found 5 devices > > Device #0 (bus 1 - port 4): 25.1°C 77.1°F > > Device #1 (bus 1 - port 2): 24.1°C 75.3°F > > Device #2 (bus 1 - port 1): 21.5°C 70.7°F > > Device #3 (bus 1 - port 4): 23.8°C 74.9°F > > Device #4 (bus 1 - port 1): 23.2°C 73.8°F > > Found 5 devices > > Device #0 (bus 1 - port 4): 25.1°C 77.1°F > > Device #1 (bus 1 - port 2): 24.1°C 75.3°F > > Device #2 (bus 1 - port 1): 21.5°C 70.7°F > > Device #3 (bus 1 - port 4): 23.8°C 74.9°F > > Device #4 (bus 1 - port 1): 23.2°C 73.8°F > > Found 5 devices > > Device #0 (bus 1 - port 4): 25.1°C 77.1°F > > Device #1 (bus 1 - port 2): 24.1°C 75.4°F > > Device #2 (bus 1 - port 1): 21.5°C 70.7°F > > Device #3 (bus 1 - port 4): 23.8°C 74.9°F > > Device #4 (bus 1 - port 1): 23.2°C 73.8°F > > Found 5 devices > > Device #0 (bus 1 - port
Re: [PLUG] What certifications to take?
On Tue, 17 Jan 2017, Rich Shepard wrote: > On Mon, 16 Jan 2017, Mike C. wrote: > >> I've also run into the over-qualified claim, but most often that >> was for perm/f-t positions. Currently, my interest lies more in >> Linux and privacy/security. > > If someone tells you you're over-qualified for the position try > assuring them you'll under-perform. :-) Ha! The over-qualified message usually boils down to two concerns: 1. You'll be out the door soon. We have little to teach you, and you're just in a holding pattern awaiting a position in line with your experience. 2. You won't respect the chain of command here because you know (or think you know) more than your manager or team lead. If people really want a position for which they're over-qualified, they need to address those two concerns. (If you don't really want it, but are just slumming until a real job comes along, well, my point is proven.) -- Paul Heinlein <> heinl...@madboa.com <> http://www.madboa.com/ ___ PLUG mailing list PLUG@lists.pdxlinux.org http://lists.pdxlinux.org/mailman/listinfo/plug
Re: [PLUG] What certifications to take?
On Mon, 16 Jan 2017, Mike C. wrote: > I've also run into the over-qualified claim, but most often that was for > perm/f-t positions. Currently, my interest lies more in Linux and > privacy/security. If someone tells you you're over-qualified for the position try assuring them you'll under-perform. :-) Rich ___ PLUG mailing list PLUG@lists.pdxlinux.org http://lists.pdxlinux.org/mailman/listinfo/plug
Re: [PLUG] Needed: Modern equivalent of a "null-modem cable"
On 1/16/2017 1:08 PM, King Beowulf wrote: > On 01/14/2017 06:53 AM, Richard Owlett wrote: >> I suspect what I'm looking for is ONE 3 ft piece of terminated >> Cat6 cable ;) >> I have two laptops - one (a Lenovo T43) speaks only WinXP Pro, >> the other (a Lenovo T430) only Debian Jessie. >> Sometime back I attempted to have them communicate via ethernet - >> hence the availability of the Cat6 cable. As far as I got was >> both sides recognized that electrically the other existed. >> My LAN knowledge is ~= "null set". > --- > > I have to chime in here: Although the ressponses all have good info, > they are a bit terse and scattered. "Scattered" doesn't particularly bother me. It natural for how I look up things - get initial set of links, follow chains of links leading to asking apparently unrelated questions which often are the most productive. As I said in my reply to Mr. Senior, I'll do a fuller install of Debian to a flash drive. That should give me a near optimal environment. I'll use the remainder of your post as a check list of tasks to be accomplished. Thank you. > > 1. Prerequisites > > CAT5 or 6 etehrnet cable with RJ45 plugs > PC networks cards (NIC) 10/100Mbps or 1Gbps > > NOTE: not all older NIC cards are autosensing, but all 1GBbps cards are. > If they are not autosensing you will need either a crossover cable, a > hub or a switch > > 2. Set up network > > Any IP address on the same subnet will work. As mentioned, you can omit > gateway etc. I will leave you to this list or google/man pages on how > to set up the static ip addresses. > > Linux: > 192.168.0.1 > 255.255.255.0 > > WinXP > 192.168.0.2 > 255.255.255.0 > > 3. File sharing protocols. > > I use NFS here since everything is Linux or MacOS. Windows needs extra > software for NFS. Thus you are stuck with SAMBA. Depending on your > version of Windows, you can either set up a Windows file share and mount > it in Linux, or set up linux as a SAMBA server to share files. > > 3a. Set up a shared directory in Windows. > Once you share a folder in Windows, then set appropriate permissions > (left as an exercise!), go to a terminal in Linus a do something like > (will need root or sudo): > > # mkdir /mnt/ > (I will use /mnt/hd as it already exists in Slackware) > > # mount -t cifs //192.168.0.2/ /mnt/hd -o rw,username= > > Obviously, <> items are replaced with your stuff. > > Now you can transfer files. > > 3b > Set up Linux as a SAMBA server. Pretty tedious but lots of good HOW-TOs > online. Use this is yo have multiple windows boxes that need to share > with one Linux box. > > Have Fun! > Ed > > > ___ > PLUG mailing list > PLUG@lists.pdxlinux.org > http://lists.pdxlinux.org/mailman/listinfo/plug > ___ PLUG mailing list PLUG@lists.pdxlinux.org http://lists.pdxlinux.org/mailman/listinfo/plug
Re: [PLUG] Needed: Modern equivalent of a "null-modem cable"
On 1/16/2017 9:37 AM, Russell Senior wrote:
>> "Richard" == Richard Owlett writes:
>
> Richard> "What is to be done" is not the problem. The problem is doing
> Richard> on the Windows machine. The various web references I've found
> Richard> which even mention use of fixed IP addresses point at Windows
> Richard> tools which implicitly/explicitly presume *EVERYBODY'S* goal is
> Richard> an internet connection. *NOT* my goal ;) Also, as a side note,
> Richard> both machines have WiFi. My goal is wired connection. A more
> Richard> general goal is education. A lot of my background is ~40 years
> Richard> out of date.
>
> This isn't a windows mailing list. However, I found this by searching:
> "how to configure a static IP on windows xp" (which I think I remember
> is what you are trying to do):
>
> https://portforward.com/networking/static-xp.htm
>
> Start at step 5. Ignore the testing internet connectivity. In step 9,
> set anything you'd like for the default gateway and DNS servers, or use
> what is shown. It won't matter, since you won't really be using them.
>
>
I don't recall whether or not I had read that particular link.
By whenever route I had arrived at menu items listed in Step 5
and following.
They had not worked.
This morning I repeated what I thought I had already tried.
This resulted in a *working* connection at the *HARDWARE* level.
I think I have links to instructions for relavant software.
In another forum the was a comment suggesting installing Cygwin
to have a linux-like environment on the Windows machine.
That "rattled my cage". For a former project I had done a minimal
Debian install to a flash drive. I'll do a much more complete
install -- good selection of network oriented tools. That should
give me a an optimal solution of {2 laptops + 1 cable + 1set
common tools + *NO*alteration of the Windows' laptop ;}
Thank you.
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Re: [PLUG] Temperature and Raspberry Pi.
You will need to calibrate the sensors to get real/absolute measurements out of these devices, in my experience. I used them for datalogging and they were +-3C between the three of them I had. They were self heating by the read process, so you need to let them stabilize before calibrating and then read them at the same (slow > 60s) intervals as when calibrating. I calibrated them to 0C and 60C, determining offset and scaling for each of them. Although the thermometers were not very linear to this simple calibration, they were OK to +- about 1C within the range. I would highly recommend the Maxim DS18B20 as mentioned in the link by Chuck if you need something more accurate. They cost under $2 in the waterproof version. Hat-down to the analog designers @ Maxim designing them so precise within this wide temperature and voltage range (±0.5°C Accuracy from -10°C to +85°C @ Vdd=3-5.5V) <-- the probe + reference + A/D convertor are at the same hot/cold temperature and at variable voltage for about $1 per sensor delivered. Amazing, in my opinion. I hope it helps, Tomas On Mon, 2017-01-16 at 23:48 -0800, Michael C. Robinson wrote: > I am using a Raspberry Pi 3 2016 Model B. > > I'm trying to use USB TEMPer2 Thermometers to detect the temperature > of ice water and the temperature of nearly boiling water. I am not > getting the correct temperatures. > > pi@raspbypi:~/project $ cat temper-pi.txt > http://www.linuxjournal.com/content/temper-pi > pi@raspbypi:~/project $ > > pi@raspbypi:~/project $ lsusb > Bus 001 Device 010: ID 0c45:7401 Microdia > Bus 001 Device 009: ID 0c45:7401 Microdia > Bus 001 Device 008: ID 0c45:7401 Microdia > Bus 001 Device 007: ID 0409:0058 NEC Corp. HighSpeed Hub > Bus 001 Device 005: ID 0a81:0205 Chesen Electronics Corp. PS/2 > Keyboard+Mouse Adapter > Bus 001 Device 011: ID 0c45:7401 Microdia > Bus 001 Device 006: ID 0c45:7401 Microdia > Bus 001 Device 004: ID 0409:0058 NEC Corp. HighSpeed Hub > Bus 001 Device 003: ID 0424:ec00 Standard Microsystems Corp. > SMSC9512/9514 Fast Ethernet Adapter > Bus 001 Device 002: ID 0424:9514 Standard Microsystems Corp. > Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub > pi@raspbypi:~/project $ > > pi@raspbypi:~/project $ lsusb -t > /: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=dwc_otg/1p, 480M > |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/5p, 480M > |__ Port 1: Dev 3, If 0, Class=Vendor Specific Class, > Driver=smsc95xx, 480M > |__ Port 2: Dev 4, If 0, Class=Hub, Driver=hub/4p, 480M > |__ Port 1: Dev 6, If 0, Class=Human Interface Device, > Driver=, 1.5M > |__ Port 1: Dev 6, If 1, Class=Human Interface Device, > Driver=, 1.5M > |__ Port 4: Dev 11, If 0, Class=Human Interface Device, > Driver=, 1.5M > |__ Port 4: Dev 11, If 1, Class=Human Interface Device, > Driver=, 1.5M > |__ Port 3: Dev 5, If 0, Class=Human Interface Device, > Driver=usbhid, 1.5M > |__ Port 3: Dev 5, If 1, Class=Human Interface Device, > Driver=usbhid, 1.5M > |__ Port 4: Dev 7, If 0, Class=Hub, Driver=hub/4p, 480M > |__ Port 1: Dev 8, If 0, Class=Human Interface Device, > Driver=, 1.5M > |__ Port 1: Dev 8, If 1, Class=Human Interface Device, > Driver=, 1.5M > |__ Port 2: Dev 9, If 0, Class=Human Interface Device, > Driver=, 1.5M > |__ Port 2: Dev 9, If 1, Class=Human Interface Device, > Driver=, 1.5M > |__ Port 4: Dev 10, If 0, Class=Human Interface Device, > Driver=, 1.5M > |__ Port 4: Dev 10, If 1, Class=Human Interface Device, > Driver=, 1.5M > pi@raspbypi:~/project $ > > pi@raspbypi:~/project/temper-python $ cat take_temps.bash > #!/bin/bash > > while (true) > do > > sudo temper-poll -p > > sleep 10 > done > > @raspbypi:~/project/temper-python $ ./take_temps.bash > Found 5 devices > Device #0 (bus 1 - port 4): 25.1°C 77.1°F > Device #1 (bus 1 - port 2): 24.1°C 75.3°F > Device #2 (bus 1 - port 1): 21.5°C 70.7°F > Device #3 (bus 1 - port 4): 23.8°C 74.9°F > Device #4 (bus 1 - port 1): 23.2°C 73.8°F > Found 5 devices > Device #0 (bus 1 - port 4): 25.1°C 77.1°F > Device #1 (bus 1 - port 2): 24.1°C 75.3°F > Device #2 (bus 1 - port 1): 21.5°C 70.7°F > Device #3 (bus 1 - port 4): 23.8°C 74.9°F > Device #4 (bus 1 - port 1): 23.2°C 73.8°F > Found 5 devices > Device #0 (bus 1 - port 4): 25.1°C 77.1°F > Device #1 (bus 1 - port 2): 24.1°C 75.4°F > Device #2 (bus 1 - port 1): 21.5°C 70.7°F > Device #3 (bus 1 - port 4): 23.8°C 74.9°F > Device #4 (bus 1 - port 1): 23.2°C 73.8°F > Found 5 devices > Device #0 (bus 1 - port 4): 25.1°C 77.1°F > Device #1 (bus 1 - port 2): 24.1°C 75.4°F > Device #2 (bus 1 - port 1): 21.5°C 70.7°F > Device #3 (bus 1 - port 4): 23.8°C 74.9°F > Device #4 (bus 1 - port 1): 23.2°C 73.8°F > Found 5 devices > Device #0 (bus 1 - port 4): 25.1°C 77.1°F > Device #1 (bus 1 - port 2): 24.2°C 75.5°F > Device #2 (bus 1 - port 1): 21.5°C 70.7°F > Device #3 (bus 1 - p
Re: [PLUG] Temperature and Raspberry Pi.
Sorry my language was in Spanish on the machine that should be give it a look: On Tue, Jan 17, 2017 at 12:08 AM, Chuck Hast wrote: > Here is a art. from Mar 13 this year, so it should be running Jessie code. > I would > give it a lookÑ > > https://pimylifeup.com/raspberry-pi-temperature-sensor/ > > If you google RPi temperature sensors there are pages of information on > this > one. Looks like everyone and his/her dog is using RPi to measure > temperature. > > > On Mon, Jan 16, 2017 at 11:48 PM, Michael C. Robinson < > mich...@robinson-west.com> wrote: > >> I am using a Raspberry Pi 3 2016 Model B. >> >> I'm trying to use USB TEMPer2 Thermometers to detect the temperature >> of ice water and the temperature of nearly boiling water. I am not >> getting the correct temperatures. >> >> pi@raspbypi:~/project $ cat temper-pi.txt >> http://www.linuxjournal.com/content/temper-pi >> pi@raspbypi:~/project $ >> >> pi@raspbypi:~/project $ lsusb >> Bus 001 Device 010: ID 0c45:7401 Microdia >> Bus 001 Device 009: ID 0c45:7401 Microdia >> Bus 001 Device 008: ID 0c45:7401 Microdia >> Bus 001 Device 007: ID 0409:0058 NEC Corp. HighSpeed Hub >> Bus 001 Device 005: ID 0a81:0205 Chesen Electronics Corp. PS/2 >> Keyboard+Mouse Adapter >> Bus 001 Device 011: ID 0c45:7401 Microdia >> Bus 001 Device 006: ID 0c45:7401 Microdia >> Bus 001 Device 004: ID 0409:0058 NEC Corp. HighSpeed Hub >> Bus 001 Device 003: ID 0424:ec00 Standard Microsystems Corp. >> SMSC9512/9514 Fast Ethernet Adapter >> Bus 001 Device 002: ID 0424:9514 Standard Microsystems Corp. >> Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub >> pi@raspbypi:~/project $ >> >> pi@raspbypi:~/project $ lsusb -t >> /: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=dwc_otg/1p, 480M >> |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/5p, 480M >> |__ Port 1: Dev 3, If 0, Class=Vendor Specific Class, >> Driver=smsc95xx, 480M >> |__ Port 2: Dev 4, If 0, Class=Hub, Driver=hub/4p, 480M >> |__ Port 1: Dev 6, If 0, Class=Human Interface Device, >> Driver=, 1.5M >> |__ Port 1: Dev 6, If 1, Class=Human Interface Device, >> Driver=, 1.5M >> |__ Port 4: Dev 11, If 0, Class=Human Interface Device, >> Driver=, 1.5M >> |__ Port 4: Dev 11, If 1, Class=Human Interface Device, >> Driver=, 1.5M >> |__ Port 3: Dev 5, If 0, Class=Human Interface Device, >> Driver=usbhid, 1.5M >> |__ Port 3: Dev 5, If 1, Class=Human Interface Device, >> Driver=usbhid, 1.5M >> |__ Port 4: Dev 7, If 0, Class=Hub, Driver=hub/4p, 480M >> |__ Port 1: Dev 8, If 0, Class=Human Interface Device, >> Driver=, 1.5M >> |__ Port 1: Dev 8, If 1, Class=Human Interface Device, >> Driver=, 1.5M >> |__ Port 2: Dev 9, If 0, Class=Human Interface Device, >> Driver=, 1.5M >> |__ Port 2: Dev 9, If 1, Class=Human Interface Device, >> Driver=, 1.5M >> |__ Port 4: Dev 10, If 0, Class=Human Interface Device, >> Driver=, 1.5M >> |__ Port 4: Dev 10, If 1, Class=Human Interface Device, >> Driver=, 1.5M >> pi@raspbypi:~/project $ >> >> pi@raspbypi:~/project/temper-python $ cat take_temps.bash >> #!/bin/bash >> >> while (true) >> do >> sudo temper-poll -p >> sleep 10 >> done >> >> @raspbypi:~/project/temper-python $ ./take_temps.bash >> Found 5 devices >> Device #0 (bus 1 - port 4): 25.1°C 77.1°F >> Device #1 (bus 1 - port 2): 24.1°C 75.3°F >> Device #2 (bus 1 - port 1): 21.5°C 70.7°F >> Device #3 (bus 1 - port 4): 23.8°C 74.9°F >> Device #4 (bus 1 - port 1): 23.2°C 73.8°F >> Found 5 devices >> Device #0 (bus 1 - port 4): 25.1°C 77.1°F >> Device #1 (bus 1 - port 2): 24.1°C 75.3°F >> Device #2 (bus 1 - port 1): 21.5°C 70.7°F >> Device #3 (bus 1 - port 4): 23.8°C 74.9°F >> Device #4 (bus 1 - port 1): 23.2°C 73.8°F >> Found 5 devices >> Device #0 (bus 1 - port 4): 25.1°C 77.1°F >> Device #1 (bus 1 - port 2): 24.1°C 75.4°F >> Device #2 (bus 1 - port 1): 21.5°C 70.7°F >> Device #3 (bus 1 - port 4): 23.8°C 74.9°F >> Device #4 (bus 1 - port 1): 23.2°C 73.8°F >> Found 5 devices >> Device #0 (bus 1 - port 4): 25.1°C 77.1°F >> Device #1 (bus 1 - port 2): 24.1°C 75.4°F >> Device #2 (bus 1 - port 1): 21.5°C 70.7°F >> Device #3 (bus 1 - port 4): 23.8°C 74.9°F >> Device #4 (bus 1 - port 1): 23.2°C 73.8°F >> Found 5 devices >> Device #0 (bus 1 - port 4): 25.1°C 77.1°F >> Device #1 (bus 1 - port 2): 24.2°C 75.5°F >> Device #2 (bus 1 - port 1): 21.5°C 70.7°F >> Device #3 (bus 1 - port 4): 23.8°C 74.9°F >> Device #4 (bus 1 - port 1): 23.2°C 73.8°F >> Found 5 devices >> Device #0 (bus 1 - port 4): 25.1°C 77.1°F >> Device #1 (bus 1 - port 2): 24.2°C 75.5°F >> Device #2 (bus 1 - port 1): 21.5°C 70.7°F >> Device #3 (bus 1 - port 4): 23.8°C 74.9°F >> Device #4 (bus 1 - port 1): 23.2°C 73.8°F >> ^C >> >> Please note the following changes to Raspbian, Jessie I believe... >> >> pi@raspbypi:~/project/temper-python $ cat /boot/cmdline.txt >> dwc_otg.lpm_enable=0 console=serial0,
Re: [PLUG] Temperature and Raspberry Pi.
Here is a art. from Mar 13 this year, so it should be running Jessie code. I would give it a lookÑ https://pimylifeup.com/raspberry-pi-temperature-sensor/ If you google RPi temperature sensors there are pages of information on this one. Looks like everyone and his/her dog is using RPi to measure temperature. On Mon, Jan 16, 2017 at 11:48 PM, Michael C. Robinson < mich...@robinson-west.com> wrote: > I am using a Raspberry Pi 3 2016 Model B. > > I'm trying to use USB TEMPer2 Thermometers to detect the temperature > of ice water and the temperature of nearly boiling water. I am not > getting the correct temperatures. > > pi@raspbypi:~/project $ cat temper-pi.txt > http://www.linuxjournal.com/content/temper-pi > pi@raspbypi:~/project $ > > pi@raspbypi:~/project $ lsusb > Bus 001 Device 010: ID 0c45:7401 Microdia > Bus 001 Device 009: ID 0c45:7401 Microdia > Bus 001 Device 008: ID 0c45:7401 Microdia > Bus 001 Device 007: ID 0409:0058 NEC Corp. HighSpeed Hub > Bus 001 Device 005: ID 0a81:0205 Chesen Electronics Corp. PS/2 > Keyboard+Mouse Adapter > Bus 001 Device 011: ID 0c45:7401 Microdia > Bus 001 Device 006: ID 0c45:7401 Microdia > Bus 001 Device 004: ID 0409:0058 NEC Corp. HighSpeed Hub > Bus 001 Device 003: ID 0424:ec00 Standard Microsystems Corp. > SMSC9512/9514 Fast Ethernet Adapter > Bus 001 Device 002: ID 0424:9514 Standard Microsystems Corp. > Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub > pi@raspbypi:~/project $ > > pi@raspbypi:~/project $ lsusb -t > /: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=dwc_otg/1p, 480M > |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/5p, 480M > |__ Port 1: Dev 3, If 0, Class=Vendor Specific Class, > Driver=smsc95xx, 480M > |__ Port 2: Dev 4, If 0, Class=Hub, Driver=hub/4p, 480M > |__ Port 1: Dev 6, If 0, Class=Human Interface Device, > Driver=, 1.5M > |__ Port 1: Dev 6, If 1, Class=Human Interface Device, > Driver=, 1.5M > |__ Port 4: Dev 11, If 0, Class=Human Interface Device, > Driver=, 1.5M > |__ Port 4: Dev 11, If 1, Class=Human Interface Device, > Driver=, 1.5M > |__ Port 3: Dev 5, If 0, Class=Human Interface Device, > Driver=usbhid, 1.5M > |__ Port 3: Dev 5, If 1, Class=Human Interface Device, > Driver=usbhid, 1.5M > |__ Port 4: Dev 7, If 0, Class=Hub, Driver=hub/4p, 480M > |__ Port 1: Dev 8, If 0, Class=Human Interface Device, > Driver=, 1.5M > |__ Port 1: Dev 8, If 1, Class=Human Interface Device, > Driver=, 1.5M > |__ Port 2: Dev 9, If 0, Class=Human Interface Device, > Driver=, 1.5M > |__ Port 2: Dev 9, If 1, Class=Human Interface Device, > Driver=, 1.5M > |__ Port 4: Dev 10, If 0, Class=Human Interface Device, > Driver=, 1.5M > |__ Port 4: Dev 10, If 1, Class=Human Interface Device, > Driver=, 1.5M > pi@raspbypi:~/project $ > > pi@raspbypi:~/project/temper-python $ cat take_temps.bash > #!/bin/bash > > while (true) > do > sudo temper-poll -p > sleep 10 > done > > @raspbypi:~/project/temper-python $ ./take_temps.bash > Found 5 devices > Device #0 (bus 1 - port 4): 25.1°C 77.1°F > Device #1 (bus 1 - port 2): 24.1°C 75.3°F > Device #2 (bus 1 - port 1): 21.5°C 70.7°F > Device #3 (bus 1 - port 4): 23.8°C 74.9°F > Device #4 (bus 1 - port 1): 23.2°C 73.8°F > Found 5 devices > Device #0 (bus 1 - port 4): 25.1°C 77.1°F > Device #1 (bus 1 - port 2): 24.1°C 75.3°F > Device #2 (bus 1 - port 1): 21.5°C 70.7°F > Device #3 (bus 1 - port 4): 23.8°C 74.9°F > Device #4 (bus 1 - port 1): 23.2°C 73.8°F > Found 5 devices > Device #0 (bus 1 - port 4): 25.1°C 77.1°F > Device #1 (bus 1 - port 2): 24.1°C 75.4°F > Device #2 (bus 1 - port 1): 21.5°C 70.7°F > Device #3 (bus 1 - port 4): 23.8°C 74.9°F > Device #4 (bus 1 - port 1): 23.2°C 73.8°F > Found 5 devices > Device #0 (bus 1 - port 4): 25.1°C 77.1°F > Device #1 (bus 1 - port 2): 24.1°C 75.4°F > Device #2 (bus 1 - port 1): 21.5°C 70.7°F > Device #3 (bus 1 - port 4): 23.8°C 74.9°F > Device #4 (bus 1 - port 1): 23.2°C 73.8°F > Found 5 devices > Device #0 (bus 1 - port 4): 25.1°C 77.1°F > Device #1 (bus 1 - port 2): 24.2°C 75.5°F > Device #2 (bus 1 - port 1): 21.5°C 70.7°F > Device #3 (bus 1 - port 4): 23.8°C 74.9°F > Device #4 (bus 1 - port 1): 23.2°C 73.8°F > Found 5 devices > Device #0 (bus 1 - port 4): 25.1°C 77.1°F > Device #1 (bus 1 - port 2): 24.2°C 75.5°F > Device #2 (bus 1 - port 1): 21.5°C 70.7°F > Device #3 (bus 1 - port 4): 23.8°C 74.9°F > Device #4 (bus 1 - port 1): 23.2°C 73.8°F > ^C > > Please note the following changes to Raspbian, Jessie I believe... > > pi@raspbypi:~/project/temper-python $ cat /boot/cmdline.txt > dwc_otg.lpm_enable=0 console=serial0,115200 console=tty1 > root=/dev/mmcblk0p7 rootfstype=ext4 elevator=deadline fsck.repair=yes > rootwait quiet splash plymouth.ignore-serial-consoles > usbhid.quirks=0x0c45:0x7401:0x4 > > pi@raspbypi:~/project/temper-python $ cat /etc/udev/rules.d/99- > tempsensor.rules SUBS
