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TurrimX3

Nieko27·Frame-Workshop·KICAD Projects/General/Primis_Turrim/TurrimX3/TurrimX3.kicad_pcb

TurrimX3 PCB layout, top view — open source Nordic nRF board by Nieko27
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About the TurrimX3 PCB

TurrimX3 is an open source Nordic nRF PCB design by Nieko27, published on GitHub under the CERN-OHL-S-2.0 license. It is a 2-layer board measuring 80.5 × 50 mm, with 27 components from 20 distinct parts.

Its main chip is the NRF52833_QDXX, from the Nordic nRF family. By type, the board carries 9 capacitors, 6 resistors, 5 connectors, 4 diodes, 1 IC and 1 crystal.

From the project

A repo for all things steam frame hardware.

Link to Locus' files: https://github.com/Nieko27/FrameWork/tree/main/KICAD%20Projects/Primis_Locus

* Keep costs to the users as low as possible. You've probably already spent close to $1000 on the headset itself, so it would be nice not to have to spend another $1000 customizing it to your liking. How this would be achieved is by everything being open and nothing being sold, for example I’m working on a face tracker that takes advantage of the PCIe port on the Frame, the idea is when its done instead of me having to handle production, shipping and all the joys of selling a project I give the…

TurrimX3, from the project README
From the project README

Main components on the TurrimX3

NRF52833_QDXX

TurrimX3 bill of materials (BOM)

27 components, 20 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
NRF52833_QDXX
CH334F
U1
1
32.768KHZ
12MHZ
Y1
1
USB_C_Receptacle_USB2.0_16P
J1
1
S2B-PH-SM4-TB_LF_SN
USB_A
J2
2
USB_A
J3, J5
1
USB_C_RECEPTACLE_USB2.0_16P
USB_A
J4
1
Polyfuse
F1
3
LED
D1, D3, D4
1
XL-1615RGBC-RF
LED
D2
1
100NF
10uF
C1
1
4.7UF
1uF
C2
1
12PF
10uF
C3
1
12PF
0.1uF
C4
1
0.8PF
220uF
C5
1
1.0PF
100uF
C6
2
4.7UF
100uF
C7, C9
1
100NF
100uF
C8
2
4.7K
5.1K
R1, R2
3
4.7k
R3, R5, R6
1
4.7K
4.7k
R4

TurrimX3 design files

The KiCad project lives in the Nieko27/Frame-Workshop repository on GitHub; these links point at the commit this page was built from.

TurrimX3: common questions

What microcontroller does the TurrimX3 use?

The TurrimX3 is built around the NRF52833_QDXX, from the Nordic nRF family.

How big is the TurrimX3 PCB?

The TurrimX3 measures 80.5 × 50 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the TurrimX3?

27 components, from 20 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the TurrimX3 design files?

From the Nieko27/Frame-Workshop repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the TurrimX3 design in my own project?

Yes, under the terms of its CERN-OHL-S-2.0 license, which Nieko27 chose for the repository.

Can I test firmware for the TurrimX3 without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug Nordic nRF firmware against it before you order a PCB.

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