HardLabs

Wonkle

wonkleio·wonkle·pcb/src/board/mk1/pro/Wonkle.kicad_pcb

Wonkle PCB layout, top view — open source STM32 board by wonkleio

About the Wonkle PCB

Wonkle is an open source STM32 PCB design by wonkleio, published on GitHub under the CERN-OHL-S-2.0 license. It is a 2-layer board measuring 204 × 174.9 mm, with 519 components from 20 distinct parts.

Its main chip is the STM32F429IGT6, from the STM32 family. Other key parts include the AH49HSC, CD74HC4067SM96 and TPS62152. By type, the board carries 256 capacitors, 230 ICs, 26 resistors, 2 connectors, 2 switches and 1 crystal.

From the project

We build together.

- Every PCB is designed with KiCad v10.0.3. - you can learn more about each of the components and read their documentations at docs/components. Running bun run gen-docs will download PDF documentations.

Both prototype and production PCB is manufactured by [JLCPCB][jlcpcb].

1. Install [KiCad][kicad]. 2. Install the [Fabrication Toolkit][fab-toolkit] plugin. 3. "Generate" production files using the plugin with default settings. 4. Go to [jlcpcb.com][jlcpcb] and click "Add gerber file" 5. Select pcb/production/wonkle.zip 6. Configure PCB (you will get 5 pcb of which 2 have components soldered)…

Main components on the Wonkle

AH49HSCCD74HC4067SM96STM32F429IGT6TPS62152

Wonkle bill of materials (BOM)

519 components, 20 distinct parts.

QtyPartRefs
209
AH49HSC
U1, U2, U3, U4, U5, U6, U7, U8 +201
19
CD74HC4067SM96
U210, U211, U212, U213, U214, U215, U216, U217 +11
1
STM32F429IGT6
U229
1
TPS62152
U231
1
Crystal
Y1
1
USB_C_Receptacle_USB2.0_16P
J1
1
Conn_01x04_Pin
J2
2
EVQQ2B03W
SW1, SW2
1
F.0603.00139/P2-0603R1TS2-06T-002
D1
1
2.2u
L1
247
0.1u
C1, C2, C3, C4, C5, C6, C7, C8 +239
2
10u
C20, C254
1
3.3n
C21
2
22u
C22, C253
2
100n
C251, C252
2
10p
C255, C256
22
1k
R1, R2, R3, R4, R5, R6, R7, R8 +14
2
5.1k
R22, R23
1
100k
R24
1
2k
R26

Wonkle design files

The KiCad project lives in the wonkleio/wonkle repository on GitHub; these links point at the commit this page was built from.

Wonkle: common questions

What microcontroller does the Wonkle use?

The Wonkle is built around the STM32F429IGT6, from the STM32 family.

How big is the Wonkle PCB?

The Wonkle measures 204 × 174.9 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Wonkle?

519 components, from 20 distinct parts. The full bill of materials is listed on this page.

Where can I download the Wonkle design files?

From the wonkleio/wonkle repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Wonkle design in my own project?

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

Can I test firmware for the Wonkle 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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