Re: DFWRPI Usergroup Meeting 3/2023
I'm planning to give a talk about the Inovato Quadra SBC/set-top box. It has the power of a RPi 3B+ but with 2GB of RAM and 16 GB of eMMC (flash) so no SD card is needed. It comes with a case, power supply, HDMI cable and built in 2.4GHz WiFi. A lot of hams are using it to drive their radios because it's cheap, fairly powerful, and readily available.
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Re: Needing some help with usb wifi adaptor / kernel headers mismatch - any ideas?
This here:
states at the bottom of the page:
------------------------------------------------------------------------
i was having this same problem, this is what i did to fix it:
after running the suggested above command
sudo apt-get install raspberrypi-kernel-headers
i found my headers in /usr/src
so i copied them to my build folder, but first i had to make one
sudo mkdir /lib/modules/5.10.103-v7+/build/
then copied the headers into that new build folder
sudo cp -r /usr/src/linux-headers-5.10.103-v7+/* /lib/modules/5.10.103-v7+/build/
now when i run my makefile, my drivers compile without the above error message
------------------------------------------------------------------------
I had a similar problem two or three years back. Found a script that pulled the exact kernel version I was running at that time out of Github. Built that from scratch, which, IIRC, did the trick. But then I also slept since then.
I wonder if that SDHC card is still somewhere.
BTW, would it perhaps be easier to use a known-supported USB dongle and a USB-A to USB-A extension cable so that not just the antenna, but rather the whole dongle resides outside the cage? Like this one:
You'll still have to find some kind of plastic housing for that thing.
Advantage is, you don't get much signal loss through the antenna connectors. Disadvantage, the antenna is smaller than an external one, and, depending on the dongle's power draw, the cable must not be too long.
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Show quoted text
On 2023-03-01 16:31, Paul James wrote: Hi Everyone, sorry I haven¡¯t been attending the meetings the last 4 (6?) months. It¡¯s been, well, hectic to say the least.
If anyone can help ¨C it would be appreciated, and I can compensate. Our testing Pi for this is at 1600 14^th street, or I can give access via real vnc. I do need to sort this out this week if possible.
One big issue we have had is the relatively low powered wifi unit on the 3b+, particularly for California customers who have chicken wire faraday cages under recently applied stucco. Its been so bad even basic API calls fall over, intermittently. We have resolved the system impacts, but still want to improve the situation by allowing customers to add a USB wifi adaptor with antenna to get the signal high or low (or through the wall to the other side), away from the faraday cage.
But I am having issues getting the correct kernel headers to load correctly.
The usb device is recognized..
[??? 4.375575] usb 1-1.4: New USB device found, idVendor=0bda, idProduct=f179, bcdDevice= 0.00
[??? 4.375603] usb 1-1.4: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[??? 4.375619] usb 1-1.4: Product: 802.11n
[??? 4.375634] usb 1-1.4: Manufacturer: Realtek
[??? 4.375651] usb 1-1.4: SerialNumber: 00E03530B0B1
We have a couple of git repos that supposedly work, but both fail at the point of finding the kernel headers.
This is our current OS version¡..Linux pi 5.10.63-v7+ #1496 SMP Wed Dec 1 15:58:11 GMT 2021 armv7l GNU/Linux
Prep done:
sudo apt-get install -y build-essential git
sudo apt-get install -y raspberrypi-kernel-headers
sudo reboot
git clone <>
(note we have also tried <>)
I do have kernel files at /lib/modules/5.10.63-v7+
But when running make
pi@pi:~/8821cu-20210916 $ make
make ARCH=arm CROSS_COMPILE= -C /lib/modules/5.10.63-v7+/build M=/home/pi/8821cu-20210916? modules
make[1]: *** /lib/modules/5.10.63-v7+/build: No such file or directory. Stop.
make: *** [Makefile:2501: modules] Error 2
/build doesn¡¯t exist in the file structure.
I¡¯ve got to the point where both my main programmer (India) and I are starting to look for the answer in the fridge. We are not thinking clearly anymore.
Best,
Paul
|
Needing some help with usb wifi adaptor / kernel headers mismatch - any ideas?
Hi Everyone, sorry I haven¡¯t been attending the meetings the last 4 (6?) months. It¡¯s been, well, hectic to say the least.
?
If anyone can help ¨C it would be appreciated, and I can compensate. Our testing Pi for this is at 1600 14th street, or I can give access via real vnc. I do need to sort this out this week if possible.
?
One big issue we have had is the relatively low powered wifi unit on the 3b+, particularly for California customers who have chicken wire faraday cages under recently applied stucco. Its been so bad even basic API calls fall over, intermittently.
We have resolved the system impacts, but still want to improve the situation by allowing customers to add a USB wifi adaptor with antenna to get the signal high or low (or through the wall to the other side), away from the faraday cage.
?
But I am having issues getting the correct kernel headers to load correctly.
?
The usb device is recognized..
?
[??? 4.375575] usb 1-1.4: New USB device found, idVendor=0bda, idProduct=f179, bcdDevice= 0.00
[??? 4.375603] usb 1-1.4: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[??? 4.375619] usb 1-1.4: Product: 802.11n
[??? 4.375634] usb 1-1.4: Manufacturer: Realtek
[??? 4.375651] usb 1-1.4: SerialNumber: 00E03530B0B1
?
We have a couple of git repos that supposedly work, but both fail at the point of finding the kernel headers.
?
This is our current OS version¡..Linux pi 5.10.63-v7+ #1496 SMP Wed Dec 1 15:58:11 GMT 2021 armv7l GNU/Linux
?
Prep done:
sudo apt-get install -y build-essential git
sudo apt-get install -y raspberrypi-kernel-headers
sudo reboot
git clone
(note we have also tried )
?
I do have kernel files at /lib/modules/5.10.63-v7+
?
But when running make
?
pi@pi:~/8821cu-20210916 $ make
make ARCH=arm CROSS_COMPILE= -C /lib/modules/5.10.63-v7+/build M=/home/pi/8821cu-20210916? modules
make[1]: *** /lib/modules/5.10.63-v7+/build: No such file or directory.? Stop.
make: *** [Makefile:2501: modules] Error 2
?
/build doesn¡¯t exist in the file structure.
?
?
?
I¡¯ve got to the point where both my main programmer (India) and I are starting to look for the answer in the fridge. We are not thinking clearly anymore.
?
?
Best,
?
Paul
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DFWRPI Usergroup Meeting 3/2023
Another month flew by, and not only did we not get iced out, but also hopefully avoided to sleep in the doghouse after forgetting Valentine's Day. Especially if have gotten yourself grounded, you might like some distraction, such as this one, as always both online, and in person at
999 E. Arapaho
Richardson, TX 75081
------------------------------------------------------------------------
Topic: DFWRPI 3/2023
Time: Mar 4, 2023 10:00 Central Time (US and Canada)
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DFWRPI Usergroup Meeting 2/2023
Hope all y'all here in the DFW metroplex are staying put, and not venturing out into the great white icy mess. Come rain or shine, it's time for the monthly get-together, both in person at and online on Zoom.
A talk on Raspbian installation from scratch has been requested during the last meeting, so we'll be looking at my latest installer version.
As always, check for any last minute changes.
Topic: DFWRPI Usergroup Meeting 2/2023
Time: Feb 4, 2023 10:00 Central Time (US and Canada)
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DFWUUG meeting Thursday, January 12, 2023, at 7 pm
Hi,
The January 12th DFWUUG meeting will be at 7 PM at Improving in Plano. Pizza will be available about 6:30. The talk will be available on Zoom.
This month's talk will be "PXE Server with Ansible and Vagrant", to be presented by Aaron Sohl.
Improving has offices at 5445 Legacy Drive, Suite 100, Plano, TX 5024. That's about a mile southeast of the intersection of the Dallas Tollway and the Sam Rayburn Tollway (Texas 121).
The doors to the building are locked at 6 PM. Someone will be available to let you in after 6. There may be a note taped to the building doors with a cell number on it to call to get someone to let you in.
You can get to Improving early and wait in their lobby. Improving has wifi available for guests, should you bring a laptop. I have gotten there as early as 5 PM.
========================================================
Stuart Yarus is inviting you to a scheduled Zoom meeting.
Topic: DFWUUG
Time: Jan 12, 2023 07:00 PM Central Time (US and Canada)
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Meeting ID: 876 5549 1362
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DallasRPI Usergroup Meeting 1/2023
Hope all y'all made it safe and sound into 2023, without taking that extra whammy dished out by SWA. Horror- and other stories welcome as always, including any new gear acquired, projects started, continued, completed between the years, all this, as always, both in person at , and online at:
Topic: DFWRPI 1/2023
Time: Jan 7, 2023 10:00 Central Time (US and Canada)
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Re: 100,000 units of [RPi] stock released to resellers just in time...
That'd be nice. Not going to hold my breath, though.
Same for the predictions of availability half a year down the road. At this clip a drop-in replacement would be nice.
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Show quoted text
On 2022-12-12 14:39, Rusty Haddock wrote: Hopefully they'll hit the US before ol St. Nick arrives.
<>
--
? ?_____
|\/ ? o \? ?o Rusty Haddock? <=>? AE5AE
| ? (? -<? O o ? ? ?I've landed in McKinney.
|/\__V__/? ? ? ?Math illiteracy affects 7 out of 5 people!
_._,_._,_
------------------------------------------------------------------------
|
100,000 units of [RPi] stock released to resellers just in time...
Hopefully they'll hit the US before ol St. Nick arrives.
-- ? ?_____
|\/ ? o \? ?o ? ? ? ? ??Rusty Haddock? <=>? AE5AE? | ? (? -<? O o? ? ??? ? ?I've landed in McKinney.
|/\__V__/? ? ? ?Math illiteracy affects 7 out of 5 people!
|
Launch a webpage or autoplay a video on startup
How to look out a window and see a beach, even if there's a brick wall behind your wall!
-- ? ?_____
|\/ ? o \? ?o ? ? ? ? ??Rusty Haddock? <=>? AE5AE? | ? (? -<? O o? ? ??? ? ?I've landed in McKinney.
|/\__V__/? ? ? ?Math illiteracy affects 7 out of 5 people!
|
Re: Raspberry Pi 4s For Sale At or Below MSRP
Despite my poor photography skills (and lighting), I thought I would add a photo of all the items.
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Re: Raspberry Pi 4s For Sale At or Below MSRP
Hi Cornelius, they are still available.? I didn't want to list them anywhere else other than here first, because it seemed like it would be good to have available Pis for the user group.? If you don't mind cash when we meet that would be great.
I don't mind meeting you a little further south.? I also wouldn't mind checking out TheLabs if you can get me in as a guest while we do the sale.? I have always wanted to join a MakerSpace, but they are always a little too far from me to frequent.? We can sit down and plug in the Pis that are already in their cases so that you can verify that everything is good.? I have screen shots of the serial numbers, that I took today, of the four Pis that are already in cases.??
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Re: Raspberry Pi 4s For Sale At or Below MSRP
I'll take them if they are still available... I can find both Gunter and Whitesboro. What forms of payment do you accept?
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Show quoted text
On 2022-12-04 14:19, Michael Stephan wrote: Hi Everyone,
I live in Gunter, TX and just joined the group.? I have been following the messages for a while, but never formally joined here on Groups.io.
I have a set of Raspberry Pi 4 computers and accessories that I would like to sell at regular old MSRP pricing.? Four Raspberry Pi 4s are new in the box, and four are in cases and have been used only briefly at my home (marked as In Use on the list below). I am also giving one Raspberry Pi 3B away for free in this set.
I have been wanting to sell these at the old MSRP prices, but really don't want these to go to someone who will just turn around and try to scalp them and rip-off other potential new Raspberry Pi users.? I was going to list these on E-Bay, but if I set a low price for Buy Now, I would imagine they would just get resold again at highest bidder pricing.
I figured since you have an actual user group at TheLabs MakerSpace in Richardson, that you would have members interested in purchasing Raspberry Pis for the actual retail price instead of the crazy prices that people are asking. I also thought the user group might be able to separate these out into new user packages for members that are interested.
I have put together a list of everything I am including, and hope maybe someone would be interesting in purchasing the package and also help ensure that these aren't resold at over MSRP pricing...
The Package of Pis including pricing:
Raspberry Pi Singe Board Computers:
2 x Raspberry Pi 4 Model B 2GB @ $35.00 (New MSRP: $45/ea) = $70
4 x Raspberry Pi 4 Model B 2GB (In Use) @ $35.00 (New MSRP: $45/ea) = $140
2 x Raspberry Pi 4 Model B 4GB @ $55.00? = $110
1 x Raspberry Pi 3 Model B 1GB (In Use) @ $35 = Free
QTY 9? Raspberry Pis = $320
Accessories:
9 x Raspberry Pi 4 Official USB-C Power Supply @ $10 = $90
1 x Canakit 2 pack of Micro HDMI Cables for Raspberry Pi 4 @ $10 = $10
3 x Argon ONE Raspberry Pi 4 Case with Cooling Fan and Power Button @ $25 = $75
2 x Argon ONE Raspberry Pi 4 Case with Cooling Fan and Power Button (In Use) @ $20 = $40
1 x Vilros Raspberry Pi 4 Heavy Duty Aluminum Alloy Pi Cooling Case Black (In Use) @ $14 = $14
1 x Vilros Raspberry Pi 3 Heavy Duty Aluminum Alloy Pi Cooling Case Black (In Use) @ $14 = $14
1 x Argon NEO Raspberry Pi 4 Case | All Aluminum (In Use) @ $15 = $15
1 x Argon 40 Raspberry Pi 4 Poly+ Case @ $5 = $5
2 x Argon 40 Raspberry Pi 4 Fan Hat @$ 10 = $20
QTY 21 = $283
Free Items:
1 x Modified Argon 40 Raspberry Pi 4 Poly+ Case @ $5 = Free
1 x Official Raspberry Pi 3 Case Black / Grey @ $9 = Free
1 x Raspberry Pi 3 Model B 1GB (In Use) @ $35 = Free
Complete Package = $603 ~= $600 / 8 RPI 4 = $75 per RPI 4 with Accessories + Free RPI 3B
I realize that not everyone might want all of these accessories, but really I need to sell these all together, otherwise I would have nothing to do with the accessories.? I would imagine new users of the group would want these accessories anyway, as they would probably need a case and power supply. Again the average price per PI @$75, including accessories, is very good (and that average price is not including the free Raspberry Pi 3B).? My cost with sales tax was higher than the complete package price of $600.
I am located up in Gunter, TX and work in Whitesboro.? I would prefer to meet someone in Frisco or Prosper, if possible.? Richardson is a little far, but I would not mind going down to meet someone at TheLabs in Richardson (and have a chance to check out the MakerSpace) if it can be arranged for a guest to accompany a member, to complete the purchase.
Let me know if anyone in the group is interested in purchasing this package for Dallas RPI members - or if you know of someone else who would be interested in buying these - but not reselling them at higher prices.
Thanks,
Mike
|
Raspberry Pi 4s For Sale At or Below MSRP
Hi Everyone, I live in Gunter, TX and just joined the group.? I have been following the messages for a while, but never formally joined here on Groups.io. I have a set of Raspberry Pi 4 computers and accessories that I would like to sell at regular old MSRP pricing.? Four Raspberry Pi 4s are new in the box, and four are in cases and have been used only briefly at my home (marked as In Use on the list below). I am also giving one Raspberry Pi 3B away for free in this set.? I have been wanting to sell these at the old MSRP prices, but really don't want these to go to someone who will just turn around and try to scalp them and rip-off other potential new Raspberry Pi users.? I was going to list these on E-Bay, but if I set a low price for Buy Now, I would imagine they would just get resold again at highest bidder pricing.?? I figured since you have an actual user group at TheLabs MakerSpace in Richardson, that you would have members interested in purchasing Raspberry Pis for the actual retail price instead of the crazy prices that people are asking. I also thought the user group might be able to separate these out into new user packages for members that are interested. I have put together a list of everything I am including, and hope maybe someone would be interesting in purchasing the package and also help ensure that these aren't resold at over MSRP pricing... The Package of Pis including pricing:
Raspberry Pi Singe Board Computers:
?
2 x Raspberry Pi 4 Model B 2GB @ $35.00 (New MSRP: $45/ea) = $70
4 x Raspberry Pi 4 Model B 2GB (In Use) @ $35.00 (New MSRP: $45/ea) = $140
2 x Raspberry Pi 4 Model B 4GB @ $55.00? = $110
1 x Raspberry Pi 3 Model B 1GB (In Use) @ $35 = Free?
?
QTY 9? Raspberry Pis = $320
?
Accessories:
9 x Raspberry Pi 4 Official USB-C Power Supply @ $10 = $90
1 x Canakit 2 pack of Micro HDMI Cables for Raspberry Pi 4 @ $10 = $10
?
3 x Argon ONE Raspberry Pi 4 Case with Cooling Fan and Power Button @ $25 = $75
2 x Argon ONE Raspberry Pi 4 Case with Cooling Fan and Power Button (In Use) @ $20 = $40
?
1 x Vilros Raspberry Pi 4 Heavy Duty Aluminum Alloy Pi Cooling Case Black (In Use) @ $14 = $14
1 x Vilros Raspberry Pi 3 Heavy Duty Aluminum Alloy Pi Cooling Case Black (In Use) @ $14 = $14
?
1 x Argon NEO Raspberry Pi 4 Case | All Aluminum (In Use) @ $15 = $15?
1 x Argon 40 Raspberry Pi 4 Poly+ Case @ $5 = $5
2 x Argon 40 Raspberry Pi 4 Fan Hat @$ 10 = $20
?
QTY 21 = $283
?
Free Items:
1 x Modified Argon 40 Raspberry Pi 4 Poly+ Case @ $5 = Free
1 x Official Raspberry Pi 3 Case Black / Grey @ $9 = Free?
1 x Raspberry Pi 3 Model B 1GB (In Use) @ $35 = Free?
?
Complete Package = $603 ~= $600 / 8 RPI 4 = $75 per RPI 4 with Accessories + Free RPI 3B
I realize that not everyone might want all of these accessories, but really I need to sell these all together, otherwise I would have nothing to do with the accessories.? I would imagine new users of the group would want these accessories anyway, as they would probably need a case and power supply. Again the average price per PI @$75, including accessories, is very good (and that average price is not including the free Raspberry Pi 3B).? My cost with sales tax was higher than the complete package price of $600.
I am located up in Gunter, TX and work in Whitesboro.? I would prefer to meet someone in Frisco or Prosper, if possible.? Richardson is a little far, but I would not mind going down to meet someone at TheLabs in Richardson (and have a chance to check out the MakerSpace) if it can be arranged for a guest to accompany a member, to complete the purchase.
Let me know if anyone in the group is interested in purchasing this package for Dallas RPI members - or if you know of someone else who would be interested in buying these - but not reselling them at higher prices.
Thanks,
Mike
|
Re: RPi Pico emulates Z80 and runs CP/M
Ah, cool, food for thought and play during long dark winter nights.
Also, an excuse to go shopping. As always.
toggle quoted message
Show quoted text
On 2022-11-18 13:48, Rusty Haddock wrote: Not sure if there's anybody here that's interested in "retro computing"
but here's an interesting article about running a Z80 emulator AND CP/M
on a Raspberry Pi Pico!
<>
FWIW, there are two parts -- link for part 2 is at the end.
? ? ? ? -Rusty-
--
? ?_____
|\/ ? o \? ?o Rusty Haddock? <=>? AE5AE
| ? (? -<? O o ? ? ?I've landed in McKinney.
|/\__V__/? ? ? ?Math illiteracy affects 7 out of 5 people!
|
DFWRPI Usergroup Meeting 12/2022
One more before this year is over, as always both virtual, and in person at
Who has something to show? Doesn't have to be a full-fledged presentation, any show'n'tell, firetalk, .... is fine.
Topic: DFWRPI Monthly Meeting 12/2022
Time: Dec 3, 2022 10:00 Central Time (US and Canada)
Join Zoom Meeting
Meeting ID: 875 9110 2148
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|
Re: RPi Pico emulates Z80 and runs CP/M
Ah, cool, food for thought and play during long dark winter nights.
Also, an excuse to go shopping. As always.
toggle quoted message
Show quoted text
On 2022-11-18 13:48, Rusty Haddock wrote: Not sure if there's anybody here that's interested in "retro computing"
but here's an interesting article about running a Z80 emulator AND CP/M
on a Raspberry Pi Pico!
<>
FWIW, there are two parts -- link for part 2 is at the end.
? ? ? ? -Rusty-
--
? ?_____
|\/ ? o \? ?o Rusty Haddock? <=>? AE5AE
| ? (? -<? O o ? ? ?I've landed in McKinney.
|/\__V__/? ? ? ?Math illiteracy affects 7 out of 5 people!
|
RPi Pico emulates Z80 and runs CP/M
Not sure if there's anybody here that's interested in "retro computing" but here's an interesting article about running a Z80 emulator AND CP/M on a Raspberry Pi Pico!
FWIW, there are two parts -- link for part 2 is at the end.
? ? ? ? -Rusty- -- ? ?_____
|\/ ? o \? ?o ? ? ? ? ??Rusty Haddock? <=>? AE5AE? | ? (? -<? O o? ? ??? ? ?I've landed in McKinney.
|/\__V__/? ? ? ?Math illiteracy affects 7 out of 5 people!
|
... appear to be in stock (25+) at the Dallas MicroCenter store. Git 'em while they're hot!!? Price is $44.99 -- standard list price!
-- ? ?_____
|\/ ? o \? ?o ? ? ? ? ??Rusty Haddock? <=>? AE5AE? | ? (? -<? O o? ? ??? ? ?I've landed in McKinney.
|/\__V__/? ? ? ?Math illiteracy affects 7 out of 5 people!
|
No DallasRPI Meeting this Saturday.
Heads up, we are going to skip our monthly get-together this Saturday, Nov. 5, because I'm attending , and I've not figured out how to be in two places at the same time.
Sorry.
We'll be back to regular scheduled insanity in December.
|
Rusty Haddock
