Creality CR-10S Pro case for Raspberry Pi 3 Model B+
Description
I remixed https://www.thingiverse.com/thing:398515 to allow direct installation on the Creality CR-10S Pro printer. This allows for good mechanical integration of the Raspberry Pi with the CR-10S Pro, especially when running Klipper firmware. This case should work with the original Pro as well as with v2. Summary of key changes from the original: - Mounting points designed to pick-up on the 2040 extrusion and one of the CR-10S Pro case side screws. - Case lid attaches using snap-on tabs instead of fasteners for a nice clean look. - Case lid height was increased to completely cover all USB port shields. - Case lid cooling vents designed to match the CR-10S Pro and provide plenty of convection cooling for 3B+. No more overheat messages! - Case elongated by 0.5 mm to increase clearance between the snap-on tabs and PCB LEDs (feel free to ask me why). - Fixed a number of small issues with the original design of the recessed port flanges to avoid breakage. - Separate spacer that slides onto the 2040 extrusion mounting bracket to avoid printing the lower case with supports. The installation requires the following additional components: - M4 x 10 mm screw for attaching to the 2040 extrusion - M4 screw washer (optional) - M4 extrusion T-nut - M3 x 7 mm screw for attaching to the case side - M3 washer (optional) - 8 inch right angle USB cable (6 inch could work as well, but it may be too short) - Screws for mounting the Raspberry Pi 3 B+ into the case bottom (per original design) 2021-03-18 UPDATE I completed installation of an internal USB power supply in my CR-10S Pro to power the Raspberry Pi from the printer. I used a Mean Well RS-25-5 power supply, an inexpensive panel mounted USB extension cable and a right angle Cable Creation cable: https://www.digikey.ca/short/0cvb07fr https://www.amazon.ca/gp/product/B07NQ7Z3MX https://www.amazon.ca/gp/product/B01LWOTFZV The installation also requires some wire, crimp connectors, heat shrink tubing, zip ties, M3 screws for mounting the power supply and some metal working tools to modify the printer case. I have attached new photos to illustrate the installation. On the photo of printer internals you can also see my installation of an LCD SD card extension cable and a modification I developed to the Creality motherboard that enables full serial control of the extruder TMC2208 driver. The serial control works in Marlin and in Klipper, allowing on-the-fly adjustments to the extruder TMC driver settings such as StealthChop / SpreadCycle, drive current, etc. This in turn allows full use of extrusion pressure advance algorithms.
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