2 layers40 × 20 mm
Slimenrfaux
SlimeVR/SlimeVR-Tracker-nRF-PCB
SlimeNRF PCBs and 3D model files for cases and dock
34 parts32
2 layers16.8 × 29 mm
Slimenrfdock
SlimeVR/SlimeVR-Tracker-nRF-PCB32SlimeNRF PCBs and 3D model files for cases and dock
- Size
- 16.8 × 29 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 82
- Nets
- 10
- Pads
- 227
- Tracks, vias
- 354, 48
- Pours
- 11
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 19 Apr 2023
- Updated
- 11 Apr 2025
Overview
Slimenrfdock is an open-source printed circuit board by SlimeVR, from the SlimeVR/SlimeVR-Tracker-nRF-PCB repository on GitHub. It is a 2-layer board of 16.8 × 29 mm with 82 parts on 10 nets, routed with 354 tracks and 48 vias.
Its parts include 40 resistors, 16 capacitors, 16 diodes, 8 ICs and 2 connectors.
README
README.mdnotes
You need a segger jlink programmer to use this, USB dfu does not come with the initial bootloader of isp, and nrf52832 has no USB connectivity. nRF52840-dk development kit can be used, and also can double as a dongle for the trackers.
slimenrf r3
Revision 3
E73-2G4M08S1C (nrf52840), icm42688 or compatible, mmc5983ma
https://oshwlab.com/sctanf/slimenrf3
slimenrfaux2
Revision 2
isp1507-ax (nrf52832), icm42688 or compatible, mmc5983ma
- Uses nrf52832, no USB, SWD pins on dock connector instead
- No 0201 parts
- Removed onboard charger
- LED is brighter (sink instead of source)
- IMU is incorrectly wired
| pcb | 3d |
|---|---|
 |  |
| pcb before reflow | pcb with battery | tracker and case ( |
|---|---|---|
 |  |  |
slimenrfauxaux2
Revision 2
icm42688 or compatible, mmc5983ma
- IMU is incorrectly wired
| pcb | 3d |
|---|---|
 |  |
slimenrfaux
Revision 1
isp1807-lr (nrf52840), icm42688 or compatible, mmc5983ma
- USB untested
- 0201 components are hard to solder
- Charger is hard to solder
- LED with default resistor is too dim
| pcb | 3d |
|---|---|
 |  |
| finished pcb | pcb with battery | completed tracker (case: |
|---|---|---|
 |  |  |
slimenrfauxaux
Revision 1
icm42688 or compatible, mmc5983ma
- 0201 components are hard to solder
| pcb | 3d |
|---|---|
 |  |
slimenrfdock
dock test pcb
charging for 8 devices at 300mA, max power draw 2.4A
- Gets pretty hot if all 8 chargers are in use but it works fine
| pcb | 3d |
|---|---|
 |  |
| completed charger pcb | charging dock ( |
|---|---|
 |  |
Parts
82| Qty | Value | Footprint | References |
|---|---|---|---|
| 24 | 1K | Resistor_SMD:R_0402_1005Metric | R2, R2, R2, R2, R2, R2, R2, R2, R4, R4, R4, R4, R4, R4, R4, R4 +8 |
| 16 | 1uF | Capacitor_SMD:C_0402_1005Metric | C1, C1, C1, C1, C1, C1, C1, C1, C2, C2, C2, C2, C2, C2, C2, C2 |
| 16 | D | Diode_SMD:D_0603_1608Metric | D1, D1, D1, D1, D1, D1, D1, D1, D2, D2, D2, D2, D2, D2, D2, D2 |
| 8 | 10K | Resistor_SMD:R_0402_1005Metric | R3, R3, R3, R3, R3, R3, R3, R3 |
| 8 | 27K | Resistor_SMD:R_0402_1005Metric | R1, R1, R1, R1, R1, R1, R1, R1 |
| 8 | BQ25170JDSGR | SamacSys_Parts:SON50P200X200X80-9N | IC1, IC1, IC1, IC1, IC1, IC1, IC1, IC1 |
| 1 | Conn_01x02_Pin | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J2 |
| 1 | Conn_01x09_Pin | Connector_PinHeader_2.54mm:PinHeader_1x09_P2.54mm_Vertical | J1 |
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Questions
How big is the Slimenrfdock PCB?
It measures 16.8 × 29 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Slimenrfdock use?
82 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 Slimenrfdock KiCad files?
From the SlimeVR/SlimeVR-Tracker-nRF-PCB repository on GitHub, at the commit this page was made from: the board is slimenrfdock/slimenrfdock.kicad_pcb and its schematic slimenrfaux/slimenrfaux.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Slimenrfdock design in my own project?
Its repository states no licence, so its author keeps all rights: ask SlimeVR before reusing the design.