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Unfolding space hardware

jakobkilian·unfolding-space-hardware·pcb/KiCad-Project-Rev2/unfolding.kicad_pcb

Unfolding space hardware PCB layout, top view — open source Raspberry Pi board by jakobkilian
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About the Unfolding space hardware PCB

Unfolding space hardware is an open source Raspberry Pi PCB design by jakobkilian, published on GitHub under the CC-BY-4.0 license. It is a 2-layer board measuring 57 × 74.6 mm, with 82 components from 22 distinct parts.

Its main chip is the ComputeModule4-CM4, from the Raspberry Pi family. Other key parts include the TCA9548APWR, DRV2605LDGS, LSM6DSxx, WE 82400102 and MMC5633NJL. By type, the board carries 32 resistors, 24 capacitors, 14 ICs, 7 connectors, 3 diodes and 1 jumper.

It belongs with the dev boards & breakouts and wearables designs in this gallery.

From the project

Hardware design for the Unfolding Space project.

You can find the design files in KiCad-Project-Rev2 and exports (schematic, pcb layout, rendering) in exports.

Design rules are based on the specifications of a 2-layer, complex, ENIG board at aisler.net. Note that some of my rules thus are a bit unusual (e.g. clearance ≥ 0.1 mm or track width ≥ 0.2 mm; through whole ≥ 0.3mm). See all specifications of Aisler here.

Unfolding space hardware, from the project README
From the project README

Main components on the Unfolding space hardware

TCA9548APWRDRV2605LDGSLSM6DSxxWE 82400102MMC5633NJL

Unfolding space hardware bill of materials (BOM)

82 components, 22 distinct parts — part numbers from the project's BOM.

QtyPartRefs
2
TCA9548APWR
U1, U2
9
DRV2605LDGS
U3, U4, U5, U6, U7, U8, U9, U10 +1
1
LSM6DSxx
U12
1
WE 82400102
U13
1
MMC5633NJL
U14
1
USB4125-GF-A_REVA
J1
4
Conn_01x01_Female
J2, J4, J5, J6
1
1-338068-8
J3
1
Fan
J7
1
SolderJumper_2_Open
JP1
1
ComputeModule4-CM4
Module1
1
SMBJ5.0A
D1
2
UHD1110-FKA
D2, D3
21
1u
C1, C2, C3, C4, C5, C6, C7, C8 +13
2
100n
C21, C22
1
2.2u
C23
2
5K1
R1, R2
22
2K2
R3, R4, R7, R8, R9, R10, R11, R12 +14
2
10K
R5, R6
2
1K
R28, R31
Show 2 more
QtyPartRefs
2
220
R29, R32
2
150
R30, R33

Unfolding space hardware design files

The KiCad project lives in the jakobkilian/unfolding-space-hardware repository on GitHub; these links point at the commit this page was built from.

Unfolding space hardware: common questions

What microcontroller does the Unfolding space hardware use?

The Unfolding space hardware is built around the ComputeModule4-CM4, from the Raspberry Pi family.

How big is the Unfolding space hardware PCB?

The Unfolding space hardware measures 57 × 74.6 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Unfolding space hardware?

82 components, from 22 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 Unfolding space hardware design files?

From the jakobkilian/unfolding-space-hardware 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 Unfolding space hardware design in my own project?

Yes, under the terms of its CC-BY-4.0 license, which jakobkilian chose for the repository.

Can I test firmware for the Unfolding space hardware without the hardware?

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

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