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Bit32F042F6Px

FaizeenHoque·Bit32F042F6Px·Hardware/Bit32F0.kicad_pcb

Bit32F042F6Px PCB layout, top view — open source STM32 board by FaizeenHoque
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About the Bit32F042F6Px PCB

Bit32F042F6Px is an open source STM32 PCB design by FaizeenHoque, published on GitHub under the CERN-OHL-S-2.0 license. It is a 4-layer board measuring 27 × 18.7 mm, with 19 components from 13 distinct parts.

Its main chip is the STM32F042F6PX, from the STM32 family. Other key parts include the LP5912-3.3DRV. By type, the board carries 5 capacitors, 5 resistors, 4 connectors, 2 ICs and 1 diode.

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

From the project

Minimal STM32F042F6Px breakout. USB, GPIO headers, onboard 3.3V step-down. No peripherals, no bloat. Just the chip.

Minimal STM32F042F6Px development board. USB-C, GPIO headers, onboard 3.3V regulation. No peripherals, no bloat.

- STM32F042F6Px (32KB Flash, 6KB RAM, 48MHz) - USB-C (USB 2.0 Full Speed via PA11/PA12) - LP5912-3.3DRV LDO — 3.3V regulated output from 5V USB - BOOT0 and RESET buttons - SWD header (SWDIO, SWCLK, 3.3V, GND) - GPIO headers — all available pins broken out - Power indicator LED

Bit32F042F6Px, from the project README
From the project README

Main components on the Bit32F042F6Px

STM32F042F6PXLP5912-3.3DRV

Bit32F042F6Px bill of materials (BOM)

19 components, 13 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
STM32F042F6PX
STM32F042F6Px
U1
1
LP5912-3.3DRV
U2
1
USB_C_RECEPTACLE_USB2.0_16P
USB_C_Receptacle_USB2.0_16P
J1
2
CONN_01X09
Conn_01x09
J2, J3
1
CONN_01X04
Conn_01x04
J4
2
SW_Push
BOOT1, RESET1
1
LED
D1
1
0.1UF
0.1uF
C1
3
1UF
1uF
C2, C4, C5
1
10UF
10uF
C3
2
10K
10k
R1, R2
2
5.1K
5.1k
R3, R4
1
1k
R5

Bit32F042F6Px design files

The KiCad project lives in the FaizeenHoque/Bit32F042F6Px repository on GitHub; these links point at the commit this page was built from.

Bit32F042F6Px: common questions

What microcontroller does the Bit32F042F6Px use?

The Bit32F042F6Px is built around the STM32F042F6PX, from the STM32 family.

How big is the Bit32F042F6Px PCB?

The Bit32F042F6Px measures 27 × 18.7 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Bit32F042F6Px?

19 components, from 13 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 Bit32F042F6Px design files?

From the FaizeenHoque/Bit32F042F6Px 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 Bit32F042F6Px design in my own project?

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

Can I test firmware for the Bit32F042F6Px 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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