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  # 2258792 15-Jun-2019 16:55
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frankv:

 

Klipper runs in 2 parts... one on a host (typically RPi, the same one that Octopi is on) and and the client. The client typically runs on an Arduino 8-bit e.g. Mega2560 which uses a RAMPS board to control the steppers, or both these could be on a single board e.g. PrintrBoard, ZRIB, Rambo), but could be a 32-bit controller like a Duet. I just thought it would be a tidy solution to have both controllers on one board (like a BeagleBone, but faster).

 

 

It's clear for me. It's the same as you would give the RPi3B+ the Arduino (client real time) part with the stepper drivers to handle additionally to the host part. When this works with an RPi3B+, with an N2 it would be even faster.

 

This might be a starting point (but stuck since years): http://diy3dprinting.blogspot.com/2014/10/diy-3d-printers-controlled-with.html

 

Commercial attempt (and this is the effort I mean) ... https://www.youtube.com/watch?v=FiVVgyGKIeM





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  # 2263587 24-Jun-2019 19:17
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There is now a Pi 4 out, core in Australia are saying they have stock and they are the only one that manages to have stock of the zero so I have gone and placed an order.

 

Has a limit of 1 per order and that also counts zeros and zero Ws so you cant get one of each to make it worthwhile :(

 

 

 

https://core-electronics.com.au/raspberry-pi-4-model-b-1gb.html

 

 

 

The links to the 2gb and 4gb ones are in the related items.





Richard rich.ms

 
 
 
 


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  # 2263596 24-Jun-2019 19:29
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Let's talk RPi 4 here

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  # 2263599 24-Jun-2019 19:37
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richms:

 

There is now a Pi 4 out, core in Australia are saying they have stock and they are the only one that manages to have stock of the zero so I have gone and placed an order.

 

Has a limit of 1 per order and that also counts zeros and zero Ws so you cant get one of each to make it worthwhile :(

 

 

 

https://core-electronics.com.au/raspberry-pi-4-model-b-1gb.html

 

 

 

The links to the 2gb and 4gb ones are in the related items.

 

 

This annoys me, especially as I have a 3B+ sitting next to me that hasn't even been opened yet. In interviews with the Pi founder and CEO, it was indicated the Pi 4 wouldn't be released until 2020 at the earliest. Perhaps Tom's Hardware were mistaken, but I'd have put off a few purchases (for myself and third party projects) had this misinformation not been published.

 

From a technical point of view it doesn't matter. None of my Pis are the same model, and the original Pi model B is still more than sufficient for what I use them for, but I certainly don't appreciate being mislead, deliberately or otherwise.


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