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  1. #71
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    The same route as the USB cable.

    No, the raspberry pi power adapter is wired together with the power connector. This way the pi can still be on, as long as the power cable is connected to the printer - while the printers power is controlled via the button on the outside

  2. #72
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  3. #73
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    Very cool. Where did you tap the power for the USB? Did you step it down from 12v?

  4. #74
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    Quote Originally Posted by Joao View Post
    I have good news for you guys!

    When I was replacing my power supply, I noticed that the PCB does already step down of the 12V to 5V.
    In fact I was stupid because that was so obvious.
    All chips run at 5V and not 12V (old ones, the new are at 3.3V), so the 5V would be there somewhere.

    And in fact it is quite easy to use it.
    Just use the existing jumper pins there:
    Attachment 465

    - - - Updated - - -

    Hi Joao

    Those pins might be used for the LCD extension, with the power supply and the serial pins.
    And I guess the LCD will be something similar to a Pi, so the 5V have enough current for it.
    I tried going off those pins for my Pi and couldn;t get it to light up :-) Did you check with a meter for power?

    Thanks!

    Clayton

  5. #75
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    Quote Originally Posted by clayton View Post
    I tried going off those pins for my Pi and couldn;t get it to light up :-) Did you check with a meter for power?

    Thanks!

    Clayton
    Yes, the meter displayed 5V.
    I will give it a try this weekend because the parts I needed arrived.
    But I am also considering to use the power from the mains 230V so that I can remotely turn the printer on/off from the Pi. Or else, the printer needs to be always on to access the Pi. It depends with each one how they want to use the Pi.

  6. #76
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    I would be interested in how you're wiring that for sure. Thanks again, just broke out my meter to check my issue.

  7. #77
    Administrator bolsoncerrado's Avatar
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    Problem with the Pi is it can't switch off at the same time as the printer or the SD image will get corrupt... So the AC/DC converter must go inside the case as well then?

    I'm also looking forward more setups

    I also have my touchscreen on the way to me, I'm assuming I'll need to route a cable out of the case to the.... front part of the printer, for example hmmmmm

    I guess i'll have to recess the case or drill a hole in the front part, and design some sort of support and get new screws to use the frontal holes to hold the screen probably.

    ANy ideas?

    Any1 good at 3D CADding?

  8. #78
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    Clayton, i wired a normal USB Power Adapter to the power socket coming in to the printer. There was enough space inside - figured that that would be just as easy as wiring it to the board.

  9. #79
    Administrator bolsoncerrado's Avatar
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    Hey Jonatan,

    Can you paste somewhere the Octoprint settings screens for rapidelite+pi?

    I can't manage to get the printer to connect to octoprint

    EDIT: Nevermind, i changed the usb cable to another of the rbpi ports and it now works :?

    but please post them anyway if you have a chance

  10. #80
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    Since i dont use the Pi for Slicing, this is the only settings that i have cared to change.

    Here you go:

    Screen 2015-01-26 kl. 10.39.57.png

    Btw, to connect to the printer - i have to connect with baudrate 250k and then reconnect with baudrate 115k. It has to reset something to connect, really wierd.

 

 

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