SKR Pico and Raspberry Pi Mount for the Twotrees Sapphire Plus
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SKR Pico and Raspberry Pi Mount for the Twotrees Sapphire Plus
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- Printables
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- Other Printer Parts & Upgrades
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- Creative Commons — Attribution — Share Alike
Used to mount a SKR Pico and a Raspberry Pi inside a Sapphire Plus. You will need eight M2.5 screws and nuts to hold the boards in place and four M3 screws to mount it in place of the old mainboard. You will also need to replace or lengthen a few cables for them to be long enough, like the Pico UART cable or the Z stepper cable.
I have included my printer.cfg as a starting point for other people who want to do this modification. Keep in mind that my printer is heavily modified, especially the extruder section, so it wont work on a stock setup.
(Also, please excuse the mess of cables in the picture)
Edit: After using the SKR Pico for a time I have to say that its power supply over the GPIO pins is too anemic for a Raspberry Pi 3 and Klipper will throw low voltage errors left and right, while I had a good number of failed prints because of that. Adding an additional power supply to the Micro USB Port solved that problem