

Rj45-3dprinter
μ3D: RatRig V-Core 3 EVA wiring over RJ45
- Size
- 80 × 41 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 19
- Nets
- 22
- Pads
- 75
- Tracks, vias
- 78, 0
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 8 Aug 2021
- Updated
- 14 May 2022
Overview
Rj45-3dprinter is an open-source printed circuit board by aw, from the aw/hw-micro3d repository on GitHub, published under the CC-BY-SA-4.0 licence. It is a 2-layer board of 80 × 41 mm with 19 parts on 22 nets, routed with 78 tracks and 0 vias.
It belongs with the robots and motor control and home automation and IoT boards of this library.
README
README.mdμ3D
RatRig V-Core 3 EVA wiring over RJ45
A toolboard that mounts on a 3D printer hotend assembly to enable wiring over RJ45.

Documentation
See the detailed documentation in the docs/ directory:
- EXPLAIN: learn the story behind this PCB, safety information, and OSHW
- HOWTO: more detailed information on testing and wiring patterns
- REFERENCE: learn about the pinouts, trace widths, and other technical information
- TUTORIALS: a quick guide to get started using this module
Updated PCB v.2 now supports hotend heater cartridge, thermistor, and PWM fan.
These instructions are for the PCB v.2. Please click here to read instructions for PCB v.1.
Note: PCB v.1 is not compatible with PCB v.2 due to the rerouted traces/wiring.
Features
- Form factor 80mm x 41mm
- Lead-free, RoHS compliant
- PCB traces are 0.5mm and can support at most 1A of current
- High-current PCB traces are 3.0mm and can support at most 3.9A of current (2A tested)
- Grounded M3 mounting holes connected to GND pins
- Easy to source off-the-shelf through-hole components
- Simple passive design draws 0mA current when no devices are connected
Getting started
Click here to read the tutorials quick guide to get started.
DISCLAIMER: We are not responsible for accidents or problems caused by your use or misuse of these modules.
Notice
Usage of the logos and marks below are in no way an endorsement by their copyright and trademark owners.
- The Tindie and Hackaday logos are Copyright © 2013, Supply Frame, Inc. All rights reserved.
- The OSHWA certification mark is Trademark ™ 2018, the Open Source Hardware Association.
License
μ3D: RatRig V-Core 3 EVA wiring over RJ45 and documentation © 2021 by Alexander Williams is licensed under CC BY-SA 4.0 (Attribution-ShareAlike 4.0 International).
Parts
19| Qty | Value | Footprint | References |
|---|---|---|---|
| 2 | 8P8C | hw-micro3d:RJ45_Amphenol_54602-x08_Horizontal_v02 | J3, J6 |
| 2 | LOGO | hw-micro3d:on-prem-logo | G***, G*** |
| 2 | MountingHole_Pad | MountingHole:MountingHole_3.2mm_M3_Pad_Via | H1, H2 |
| 1 | ADXL | Connector_JST:JST_XH_B6B-XH-A_1x06_P2.50mm_Vertical | J1 |
| 1 | E-MOTOR | Connector_JST:JST_XH_B4B-XH-A_1x04_P2.50mm_Vertical | J5 |
| 1 | HOTEND FAN | Connector_JST:JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical | J2 |
| 1 | HOTEND IN | Connector_JST:JST_VH_B2P-VH-FB-B_1x02_P3.96mm_Vertical | J9 |
| 1 | HOTEND OUT | Connector_JST:JST_VH_B2P-VH-FB-B_1x02_P3.96mm_Vertical | J8 |
| 1 | PARTS FAN | Connector_JST:JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical | J4 |
| 1 | PARTS FAN IN | Connector_JST:JST_VH_B2P-VH-FB-B_1x02_P3.96mm_Vertical | J12 |
| 1 | PARTS FAN OUT | Connector_JST:JST_VH_B2P-VH-FB-B_1x02_P3.96mm_Vertical | J13 |
| 1 | PROBE | Connector_JST:JST_XH_B5B-XH-A_1x05_P2.50mm_Vertical | J7 |
| 1 | THERMISTOR IN | Connector_JST:JST_VH_B2P-VH-FB-B_1x02_P3.96mm_Vertical | J10 |
| 1 | THERMISTOR OUT | Connector_JST:JST_VH_B2P-VH-FB-B_1x02_P3.96mm_Vertical | J11 |
The 17 most common of 19 parts.
Questions
How big is the Rj45-3dprinter PCB?
It measures 80 × 41 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Rj45-3dprinter use?
19 parts. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Rj45-3dprinter KiCad files?
From the aw/hw-micro3d repository on GitHub, at the commit this page was made from: the board is rj45-3dprinter.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Rj45-3dprinter design in my own project?
Its repository publishes it under the CC-BY-SA-4.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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