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portlandhodl·nyan-keys-hardware·board_files/nyan_keys_v09b/project.kicad_pcb

Project PCB layout, top view — open source STM32 board by portlandhodl

About the Project PCB

Project is an open source STM32 PCB design by portlandhodl, published on GitHub under the Apache-2.0 license. It is a 2-layer board measuring 284.7 × 94.2 mm, with 139 components from 37 distinct parts.

Its main chip is the STM32F723VETX, from the STM32 family. Other key parts include the ICE40HX4K-TQ144, TPS70345 and 24LC1025. By type, the board carries 61 relays, 39 capacitors, 16 resistors, 9 switches, 6 diodes and 4 ICs.

It belongs with the keyboards designs in this gallery.

From the project

Hardware document for the nyan keys keyboard

Made with ❤️ by Portland.HODL - If you like my work please submit PRs and or like/star my repos.

Personal use is completely premised for this so if you want to make one for yourself or mod it feel free!

If you would like to avoid the logistics of acquiring the parts and getting a board made. I can fabricate and assemble boards on request. Please just email admin@qrsnap.io.

Project, from the project README
From the project README

Main components on the Project

ICE40HX4K-TQ144TPS70345STM32F723VETX24LC1025

Project bill of materials (BOM)

139 components, 37 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
ICE40HX4K-TQ144
U1
1
TPS70345
U2
1
STM32F723VETX
STM32F723VETx
U3
1
24LC1025
U4
2
SG-5032CAN
X1, X2
1
HRO-TYPE-C-31-M-12
J1
1
Polyfuse
F1
46
KEYSW
K1, K2, K3, K4, K5, K6, K7, K8 +38
1
KEYSW
K14
2
KEYSW
K15, K28
1
KEYSW
K29
2
KEYSW
K41, K42
1
KEYSW
K53
7
KEYSW
K54, K55, K56, K58, K59, K60, K61
1
KEYSW
K57
4
Screw
S1, S3, S5, S9
3
Tofu screw
S2, S4, S6
2
Screw
S7, S8
1
D
D1
5
LED
D2, D3, D4, D5, D6
Show 17 more
QtyPartRefs
2
.1uF
C1, C2
18
10UF
10uF
C3, C4, C5, C7, C8, C9, C10, C12 +10
9
1UF
1uF
C6, C11, C13, C23, C24, C25, C26, C31 +1
2
10NF
10nF
C21, C22
1
4.7UF
4.7uF
C27
4
22UF
22uF
C28, C29, C30, C33
1
0.1NF
0.1nF
C32
1
1uF
C38
1
22uF
C39
2
10K
10k
R1, R2
2
5.1K
5.1k
R3, R5
2
100
R4, R9
1
10K
100k
R6
1
3k
R7
1
250K
250k
R8
2
10k
R10, R11
5
100
R12, R13, R14, R15, R16

Project design files

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

Project: common questions

What microcontroller does the Project use?

The Project is built around the STM32F723VETX, from the STM32 family.

How big is the Project PCB?

The Project measures 284.7 × 94.2 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Project?

139 components, from 37 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 Project design files?

From the portlandhodl/nyan-keys-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 Project design in my own project?

Yes, under the terms of its Apache-2.0 license, which portlandhodl chose for the repository.

Can I test firmware for the Project without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug STM32 firmware against it before you order a PCB.

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