HardLabs

Fuimini-V2

Zipra1·Fuimini-V2·KiCad/Fuimini-V2.kicad_pcb

Fuimini-V2 PCB layout, top view — open source Nordic nRF board by Zipra1

About the Fuimini-V2 PCB

Fuimini-V2 is an open source Nordic nRF PCB design by Zipra1, published on GitHub under the CERN-OHL-S-2.0 license. It is a 4-layer board measuring 15 × 29.2 mm, with 59 components from 42 distinct parts.

Its main chip is the NRF52833-QDAA-R, from the Nordic nRF family. Other key parts include the ANT162442ST-1000AM1, C22459454, IST8306, SSP7615-33DFR and LGS4056HDA. By type, the board carries 26 capacitors, 13 resistors, 7 ICs, 3 inductors, 2 crystals and 2 switches.

From the project

nRF flavoured SlimeVR-compatible trackers. Now with higher volume production in mind!

Design is optimized for manufacturability at medium scales & comfort

Cases intended for 301525 batteries, exact dimensions 13x27x3mm

The case labelled "small battery" is actually the regular size of battery. The other variant is because sometimes when ordering batteries the size can be a bit off.

Since I have yet to make proper instructions, feel free to contact me for help with assembly: @fui__ on Discord.

Fuimini-V2, from the project README
From the project README

Main components on the Fuimini-V2

ANT162442ST-1000AM1NRF52833-QDAA-RC22459454IST8306SSP7615-33DFRLGS4056HDAEA8103

Fuimini-V2 bill of materials (BOM)

59 components, 42 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
ANT162442ST-1000AM1
U1
1
NRF52833-QDAA-R
U2
1
C22459454
ICM-45686
U3
1
IST8306
U4
1
SSP7615-33DFR
U5
1
LGS4056HDA
U6
1
EA8103
U7
1
XL4EL89CKI-111YLC-32M
X1
1
SX2M32.768KM20F30TNN
X2
1
B+
B+1
1
B-
B-1
1
GT-TC020B-H035-L05
S1
1
1TS026A-1100-0550-CT
SW1
1
MHPA0808RGBDT
T1
1
~
TP1
1
C2906289
TYPE-C 16P CB0.8 073
USB1
1
TPD3E001DRYR-TP
D1
1
4.7nH +-5% HF
L1
1
2.2nH +-5% HF
L2
1
LQM18FN1R0M00D
L3
Show 22 more
QtyPartRefs
2
12PF
12pF
C1, C2
2
100nf
C1i1, C2i1
4
10uF
C1n1, C1n2, C1n3, C1n5
1
47pF
C1n4
1
10nf
C2R2
1
1pF +-5% NP0
C3
2
1uF
C3r1, C3r2
1
1.2pF +-5%
C4
3
100NF
100nF
C5, C7, C11
3
4.7UF
4.7uF
C6, C18, C19
1
0.8pF +-5%
C8
1
100PF
100pF
C10
2
1UF
1uF
C12, C13
1
6.8pF +-5%
C14
1
4.7uF
C15
2
5.1K
5.1k
R1, R2
2
20k
R1C1, R1R2
1
5.1k
R1C3
2
5.6M
R1D1, R1D2
2
100r
R2C1, R2C4
2
300r
R2C2, R2C3
2
3.3M
R2D1, R2D2

Fuimini-V2 design files

The KiCad project lives in the Zipra1/Fuimini-V2 repository on GitHub; these links point at the commit this page was built from.

Fuimini-V2: common questions

What microcontroller does the Fuimini-V2 use?

The Fuimini-V2 is built around the NRF52833-QDAA-R, from the Nordic nRF family.

How big is the Fuimini-V2 PCB?

The Fuimini-V2 measures 15 × 29.2 mm, has 4 copper layers and is 1 mm thick.

How many components are on the Fuimini-V2?

59 components, from 42 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 Fuimini-V2 design files?

From the Zipra1/Fuimini-V2 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 Fuimini-V2 design in my own project?

Yes, under the terms of its CERN-OHL-S-2.0 license, which Zipra1 chose for the repository.

Can I test firmware for the Fuimini-V2 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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