RevPi Connect SE Trouble using Wifi Modules

fandi · Post by **fandi** » 30 Aug 2023, 06:29

We're trying to connect RevPi Connect SE with dongle to WiFi using TP-Link WiFi dongle and following this guide
https://revolutionpi.com/tutorials/revp ... einrichten

Here is the photo of RevPi and dongle
download/file.php?mode=view&id=2120

But it is saying no such device when trying to connect
download/file.php?mode=view&id=2121

After researching some more we find that it might need to bring it up from down state
ip link show wlan0
sudo ip link set wlan0 up
download/file.php?mode=view&id=2122

But still no good results

Is there anything I miss from the process or any other things?

Post by **u.biakoup** » 30 Aug 2023, 13:18

Hello Fandi,
we have good experience with the following devices (dongles):
Edimax EW-7811UN (chipset r8712u)
CSL 300262 (chipset r8712u)
could you please specify the kernel versions which are working and which are not? Which image version are you using? Otherwise, we cannot investigate the issue.
Please watch this Video and make the configuration again. If it's not work, please share what you have tried so far and include logs and error messages.

Best Regards,

Ulrich Kouatang Biakoup | Technical Support

fandi · Post by **fandi** » 31 Aug 2023, 03:53

Hello Biakoup,

Thank you for your reply we will try to look into that video and try to implement it.

In the meantime could you provide how to check kernel and image version also how to check the logs and error messages.
I'm fairly new to this linux and Raspberry environment.

Best Regards,
Fandi

fandi · Post by **fandi** » 31 Aug 2023, 05:22

Sorry, I forgot attach the dongle we use, here is the dongle we are using

TL-WN725N

Is it not compatible? if it is then what might be the cause of it?
So I could search for the replacement if needed.

Post by **u.biakoup** » 31 Aug 2023, 08:41

fandi wrote: ↑31 Aug 2023, 03:53 Hello Biakoup,

Thank you for your reply we will try to look into that video and try to implement it.

In the meantime could you provide how to check kernel and image version also how to check the logs and error messages.
I'm fairly new to this linux and Raspberry environment.

Best Regards,
Fandi

You can generate a sos-report and send it to us at support@kunbus.com.
or just post here the output of the command:

Code: Select all

uname -a

kjkoster · Post by **kjkoster** » 31 Aug 2023, 08:43

Dear Fandi,

Frankly, I would not bother with that device. If you have to download a driver from dropbox, you have no idea what nastiness is installed alongside with it. https://laurenthinoul.com/how-to-instal ... pberry-pi/

Instead, google for "raspberry pi USB wifi dongle" and get one that is well supported. E.g. https://thepihut.com/collections/raspbe ... i-adapters

Kees Jan

fandi · Post by **fandi** » 31 Aug 2023, 09:38

Hello Biakoup,
Here is the error report, we tried the youtube video you gave but after this step
ifup wlan0

we got error this error
wpa_supplicant: /sbin/wpa_supplicant daemon failed to start
run-parts: /etc/network/if-pre-up.d/wpasupplicant exited with return code 1
ifup: failed to bring up wlan0

We also tried new dongle and other dongle such as MT7601.
But still got error.

Hope to hear from you soon.

Regards
Fandi

fandi · Post by **fandi** » 31 Aug 2023, 09:43

kjkoster wrote: ↑31 Aug 2023, 08:43 Dear Fandi,

Frankly, I would not bother with that device. If you have to download a driver from dropbox, you have no idea what nastiness is installed alongside with it. https://laurenthinoul.com/how-to-instal ... pberry-pi/

Instead, google for "raspberry pi USB wifi dongle" and get one that is well supported. E.g. https://thepihut.com/collections/raspbe ... i-adapters

Kees Jan

Hello Kees Jan

Thanks for the input we tried to look it up and got this MT7601 should also work on it and it is available locally here.
But as you can see on my other replies we still got errors.

Regards,
Fandi