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Prusa Mini & Octoprint  

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Nabil
(@nabil)
Estimable Member
Prusa Mini & Octoprint

Hi,

I am trying to use octoprint with my Mini but it doesn't work. When I hit connect I got the following message :

No more candidates to test, and no working port/baudrate combination detected.

I am 100% sure that it doesn't come from the Pi. I have tried it on my Mk3S and it works fine. Is it possible to check the status of  the micro USB on the buddy bord?

I tried 3 different micro USB cable.

Thanks 

 

Postato : 21/11/2021 6:26 pm
cwbullet
(@cwbullet)
Utenti
RE: Prusa Mini & Octoprint

What are your exact connection settings?

--------------------
Chuck H
3D Printer Review Blog

Postato : 21/11/2021 7:49 pm
Nabil
(@nabil)
Estimable Member
Topic starter answered:
RE: Prusa Mini & Octoprint

Hi Chuck,

I just fixed it. I have couple of micro USB and only one is working (out of 6). I do not see any difference at the tip. The only difference is the length of the cable. 

I have to keep that one safe and label it Prusa mini octoprint. 😀

Thanks.

Postato : 21/11/2021 7:58 pm
Tuna209 hanno apprezzato
cwbullet
(@cwbullet)
Utenti
RE: Prusa Mini & Octoprint

Obviously, length matters.  I hav had some issues with settings also,  

--------------------
Chuck H
3D Printer Review Blog

Postato : 21/11/2021 8:09 pm
MysDawg
(@mysdawg)
Estimable Member
RE: Prusa Mini & Octoprint

 

Posted by: @nabil

Hi Chuck,

I just fixed it. I have couple of micro USB and only one is working (out of 6). I do not see any difference at the tip. The only difference is the length of the cable. 

I have to keep that one safe and label it Prusa mini octoprint. 😀

Thanks.

What is the length of your good cable? I'm using a 3 foot cable and it works fine.

Postato : 22/11/2021 4:44 pm
cwbullet
(@cwbullet)
Utenti
RE: Prusa Mini & Octoprint

I am using 12 inch cables because they work.  I had a 4 foot and it failed.  

--------------------
Chuck H
3D Printer Review Blog

Postato : 22/11/2021 4:46 pm
Nabil
(@nabil)
Estimable Member
Topic starter answered:
RE: Prusa Mini & Octoprint

Hi,

It is a very short one (150mm). The cable was delivered with a wireless mouse so nothing very specific about it.

The ones that failed are not longer than 1.5 meter. 

Sorry guys, I do not use imperial. 

Completely different subject but why can't I have access to the data in the USB stick while connected to octoprint? 

On my MK3s I can print from the SD card and octoprint.

Am I missing something on my setup? 

Postato : 22/11/2021 5:02 pm
Jakub J.
(@jakub-j)
Active Member
RE: Prusa Mini & Octoprint

 

Posted by: @nabil

Hi,

I am trying to use octoprint with my Mini but it doesn't work. When I hit connect I got the following message :

No more candidates to test, and no working port/baudrate combination detected.

I am 100% sure that it doesn't come from the Pi. I have tried it on my Mk3S and it works fine. Is it possible to check the status of  the micro USB on the buddy bord?

I tried 3 different micro USB cable.

Thanks 

 

Hi, I have the same issue 🙁 Tried cables from 15 to 105 cm - approx. 6"-40") but no change, still getting "No more candidates to test, and no working port/baudrate combination detected." message. I'm using Pi Zero WH so I need microUSB-microUSB or microUSB-USB A with conversion...any recommendation to solve it? 😕 

Postato : 05/01/2022 9:07 am
Nabil
(@nabil)
Estimable Member
Topic starter answered:
RE: Prusa Mini & Octoprint

Hi Jakub,

Changing the cable solved my issue. If you are sure about raspberry pi setup then I will suggest to test more cables. 

If possible, try cables that are used for similar application and not something used to charge a power bank or toys. 

You could probably ask PRUSA for more details, they might recommend some cables.

 

Postato : 05/01/2022 9:22 am
Jakub J.
(@jakub-j)
Active Member
RE: Prusa Mini & Octoprint

Actualy I`m not realy sure about my setup. Do you have some tips what I have to check firstly?

Postato : 05/01/2022 11:00 am
Nabil
(@nabil)
Estimable Member
Topic starter answered:
RE: Prusa Mini & Octoprint

Hi,

Not really. There is a step by step and a video to help with the install. 

Link below: 

https://octoprint.org/download/

In my case I had a second printer (Mk3s) and the pi was working fine so I assumed it was either the prusa mini or the cable. 

Do you have a second printer that is not a prusa mini? 

 

Postato : 05/01/2022 11:35 am
Jakub J.
(@jakub-j)
Active Member
RE: Prusa Mini & Octoprint

Thanks, I did it as shown so hopefully it is ok. I'll try more another cables.

I have only Prusa MINI+ printer at this moment.

Postato : 05/01/2022 11:58 am
MysDawg hanno apprezzato
Tuna209
(@tuna209)
Eminent Member
RE: Prusa Mini & Octoprint

CableCreation Micro USB to Micro USB OTG Cable, Male to Male from Amazon is the one I used. But before it arrived, I ended up collecting all the USB to Micro USB cables (5 total) in the house and tried them. The one that worked was from my Kindle. 

Postato : 06/01/2022 3:53 pm
Bern Statch
(@bern-statch)
Active Member
RE: Prusa Mini & Octoprint

I had the same issue when i set mine up. The issue is the cable there are two kinds of cable there is a receiving only and a dual receiving and sending cord. The later is a thicker cord most of the cords are the cheaper recieving only. 

Postato : 06/01/2022 4:25 pm
Chris Laudermilk
(@chris-laudermilk)
Estimable Member
RE: Prusa Mini & Octoprint

Adding another data point, this is what I ordered and it's working with no problem: https://smile.amazon.com/gp/product/B07VF8JJ7J

Mini+ (kit) - Revo Micro | Antler Cooling | WiFi (4.4.0RC1)

Postato : 07/01/2022 2:57 pm
Jakub J.
(@jakub-j)
Active Member
RE: Prusa Mini & Octoprint

Thank you all, guys! The problem is solved by using "both way" cable.

Postato : 07/01/2022 3:08 pm
MysDawg
(@mysdawg)
Estimable Member
RE: Prusa Mini & Octoprint

 

Posted by: @jakub-j

Thank you all, guys! The problem is solved by using "both way" cable.

What cable and length did you buy?

Postato : 08/01/2022 3:37 am
Jakub J.
(@jakub-j)
Active Member
RE: Prusa Mini & Octoprint

I think it`s 100 cm (approx 39") but I my opinion it does not metter the lenght...most interesting is to be "both way". If you even buy "data USB cable" most of them work only the way from A connector to micro B because of micro B pins 4 and 5 are connected together. The both way cable has directly connected 1-5 to 1-5 wires.

I tyied micro B - micro B about 10" as well but it didn't work because of "source" and "target" ends of it...

Finaly I used this one: https://www.secomp.cz/default.asp?cls=stoitem&stiid=10808

Postato : 08/01/2022 8:03 am
MysDawg
(@mysdawg)
Estimable Member
RE: Prusa Mini & Octoprint

 

Posted by: @jakub-j

I think it`s 100 cm (approx 39") but I my opinion it does not metter the lenght...most interesting is to be "both way". If you even buy "data USB cable" most of them work only the way from A connector to micro B because of micro B pins 4 and 5 are connected together. The both way cable has directly connected 1-5 to 1-5 wires.

I tyied micro B - micro B about 10" as well but it didn't work because of "source" and "target" ends of it...

Finaly I used this one: https://www.secomp.cz/default.asp?cls=stoitem&stiid=10808

Thanks. I think that is what I need. I'm checking on Amazon and I don't see anything that looks like the cable you are describing. I'm looking for about 1.5 ft (.5 m) in length

 

Postato : 08/01/2022 5:39 pm
Jakub J.
(@jakub-j)
Active Member
RE: Prusa Mini & Octoprint

Just look for “two way” cable

Postato : 08/01/2022 8:03 pm
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