Raspberry Pi4B Octoprint enclosure (Ender 3 compatible)
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Raspberry Pi 4B enclosure for Octoprint. Fits under an Ender 3 bed carriage and has holes for LED control.
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- Printables
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- Creality Parts & Upgrades
- Licencja
- Creative Commons — Attribution — Noncommercial
Enclosure for Raspberry Pi 4B that fits under an Ender 3 bed carriage. It has cutouts for all the Raspberry Pi4 ports , a 12x12mm push button to wake up the Pi and a rocker switch for the LEDs. On the back, it has holes for a DC port and a rectangular cutout for the LED input.
The design is smaller and more print-optimized than my previous iteration (which you can find here: https://www.prusaprinters.org/prints/147388-all-in-one-ender-3-enclosure-for-raspberry-pi-4), which I had to replace due to issues with the external USB-C port and undervolting.
How it works:
- LEDs: 12v enters through the standard DC port and is connected to the rocker switch. The output goes through the rectangular female connector to the LEDs.
- Pi on/off functionality: the Raspberry Pi is turned on by pressing the push button (it connects GPIO3 and GND so it resets) after you turn it off via the shutdown functionality in Octoprint;
- Fan: the fan would stay on 24/7 because power always goes through the Pi. That's why I added an external transistor circuit, connected to GPIO18, and installed the Gpio-fan-controller plugin in Octoprint so the fan can be manually controlled and also automatically turned on when a certain temperature threshold is reached.
I added the .f3d file, though it doesn't have many labels and it's not very intuitive. If you need a specific modification to the base design you can ask in the comments.