HardLabs

F4fc

chickadee-tech·f4fc·pcb/f4fc.kicad_pcb

F4fc PCB layout, top view — open source STM32 board by chickadee-tech

About the F4fc PCB

F4fc is an open source STM32 PCB design by chickadee-tech, published on GitHub under the CC-BY-4.0 license. It is a 4-layer board measuring 36 × 36 mm, with 49 components from 33 distinct parts.

Its main chip is the STM32F40xxx, from the STM32 family. Other key parts include the MPU-6000 and TLV70233DBV. By type, the board carries 15 capacitors, 11 resistors, 8 connectors, 5 diodes, 3 ICs and 3 transistors.

It belongs with the sensors designs in this gallery.

From the project

F4 Flight Control Polystack board

You may also license the Polystack logo for free by emailing support@chickadee.tech. We'll ask for your gerbers to ensure the design complies with specifications laid out here and provide written permission to use the trademark after compliance has been demonstrated.

Main components on the F4fc

MPU-6000STM32F40xxxTLV70233DBV

F4fc bill of materials (BOM)

49 components, 33 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
MPU-6000
U1
1
STM32F40xxx
U2
1
TLV70233DBV
U3
1
Q_PMOS_GSD
Q1
2
Q_NMOS_GSD
Q3, Q4
1
8mhz
X1
1
3V3
P1
1
CONN_01X01
P2
1
USB_OTG
P3
1
CONN_02X04
P4
1
CONN_02X10
P5
1
RESET
P6
1
BOOT0
P7
1
5V
P9
1
CKD_SANDWICH
PORT_OUT1
1
SW_PUSH
SW1
1
G***
svg2mod
1
Green
D1
1
Yellow
D2
2
Red
D3, D5
Show 13 more
QtyPartRefs
1
D_Schottky_x2_KCom_AAK
D4
7
0.1uF
C1, C4, C6, C7, C8, C10, C13
1
4.7uF
C2
1
2.2nF
C3
1
1uF
C5
3
2.2uF
C9, C14, C15
1
10uF+
C11
1
1uF+
C12
4
1k
R1, R2, R3, R12
3
10k
R4, R5, R8
2
4.7k
R6, R7
1
470k
R9
1
100k
R10

F4fc design files

The KiCad project lives in the chickadee-tech/f4fc repository on GitHub; these links point at the commit this page was built from.

F4fc: common questions

What microcontroller does the F4fc use?

The F4fc is built around the STM32F40xxx, from the STM32 family.

How big is the F4fc PCB?

The F4fc measures 36 × 36 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the F4fc?

49 components, from 33 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 F4fc design files?

From the chickadee-tech/f4fc repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the F4fc design in my own project?

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

Can I test firmware for the F4fc 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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