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Stm32f042cXt6 demo

cnlohr·stm32f042_fun·stm32f042cXt6_demo/hardware/stm32f042cXt6_demo.kicad_pcb

Stm32f042cXt6 demo PCB layout, top view — open source STM32 board by cnlohr
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About the Stm32f042cXt6 demo PCB

Stm32f042cXt6 demo is an open source STM32 PCB design by cnlohr, published on GitHub. It is a 2-layer board measuring 75 × 75 mm, with 60 components from 40 distinct parts.

Its main chip is the STM32F042C4Tx, from the STM32 family. Other key parts include the AZ1117-3.3, USB_PROTECTION and LTR-553ALS-WA. By type, the board carries 36 connectors, 6 diodes, 6 capacitors, 6 resistors, 4 ICs and 1 module.

From the project

My fun repo for the STM32f042

My fun repo for the STM32f042. Feel free to rifle through. All the projects are incomplete, but mostly work.

Check out my IO list: https://docs.google.com/spreadsheets/d/1DyMCKiVg4tmwGgn1U_OD7lgiobow0eRoh-zJ0Q15YpQ/edit?usp=sharing

Main components on the Stm32f042cXt6 demo

STM32F042C4TxAZ1117-3.3USB_PROTECTIONLTR-553ALS-WA

Stm32f042cXt6 demo bill of materials (BOM)

60 components, 40 distinct parts.

QtyPartRefs
1
STM32F042C4Tx
U1
1
AZ1117-3.3
U2
1
USB_PROTECTION
U3
1
LTR-553ALS-WA
U4
1
AM4311T42A0
M1
1
PGM
J1
1
USB_B_Micro
J2
1
EXT
J3
3
S2
P1, P7, P24
1
PB0
P2
3
S0
P3, P11, P28
1
PB1
P4
2
S5
P5, P17
1
PB2
P6
1
PB3
P8
2
S4
P9, P19
1
PB4
P10
1
PB5
P12
2
S3
P13, P21
1
PB6
P14
Show 20 more
QtyPartRefs
2
S1
P15, P26
1
PB7
P16
1
PB8
P18
1
PB9
P20
1
PB10
P22
1
TA10
P23
1
PB11
P25
1
PB12
P27
1
PB13
P29
1
PB14
P30
1
PB15
P31
1
TA8
P32
1
TA9
P33
1
TACTILE
SW1
6
WS2812B
D1, D2, D3, D4, D5, D6
4
.1uF
C1, C2, C5, C6
2
10uF
C3, C4
4
10k
R1, R4, R5, R6
1
100k
R2
1
1M
R3

Stm32f042cXt6 demo design files

The KiCad project lives in the cnlohr/stm32f042_fun repository on GitHub; these links point at the commit this page was built from.

Stm32f042cXt6 demo: common questions

What microcontroller does the Stm32f042cXt6 demo use?

The Stm32f042cXt6 demo is built around the STM32F042C4Tx, from the STM32 family.

How big is the Stm32f042cXt6 demo PCB?

The Stm32f042cXt6 demo measures 75 × 75 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Stm32f042cXt6 demo?

60 components, from 40 distinct parts. The full bill of materials is listed on this page.

Where can I download the Stm32f042cXt6 demo design files?

From the cnlohr/stm32f042_fun repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Stm32f042cXt6 demo design in my own project?

The repository has no license, so all rights stay with cnlohr. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Stm32f042cXt6 demo 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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