HardLabs

Fc

Caleb646·Flapjack·Design/V1/fc.kicad_pcb

Fc PCB layout, top view — open source STM32 board by Caleb646

About the Fc PCB

Fc is an open source STM32 PCB design by Caleb646, published on GitHub. It is a 4-layer board measuring 70.8 × 100 mm, with 100 components from 44 distinct parts.

Its main chip is the STM32H747BIT6, from the STM32 family. Other key parts include the INA219AIDCNT. By type, the board carries 50 capacitors, 17 resistors, 7 LEDs, 4 speakers, 2 ICs and 2 inductors.

It belongs with the robotics & motion and sensors designs in this gallery.

From the project

A custom VTOL drone platform — from airframe to PCB to firmware.

Flapjack is a VTOL drone platform built from the ground up — custom airframe, PCB, and firmware. ---

- Custom Flight Controller PCB - STM32 microcontroller - IMU (SPI), barometer, GPS, and compass - Servo and ESC outputs

- Firmware - Python GUI for flight data - Real-time flight control loop - Sensor fusion (IMU + barometer + compass) - PID control - PID Mixing for tilt-thrust VTOL (motor + servo)

Main components on the Fc

STM32H747BIT6INA219AIDCNT

Fc bill of materials (BOM)

100 components, 44 distinct parts.

QtyPartRefs
1
STM32H747BIT6
U1
1
INA219AIDCNT
U2
1
XT60PW-M
J1
1
BMP390
BARO1
1
W25N01GWZEIG
FLASH1
1
0532610671
Conn_01x06
GPS1
1
BMI323
IMU1
2
B2B-XH-A
Conn_01x02
LM1, RM1
4
B3B-XH-A
Conn_01x03
LS1, LS2, LS3, LS4
1
MMC5983MA
MAG1
1
MIC26903YJL-TR
REG_1
1
LD39200PU33R
REG_2
1
Conn_01x04
RF1
5
B3B-XH-A
Conn_01x03
RS1, RS2, RS3, RS4, Serial1
1
GRPB052VWQS-RC
Debug_10_1.27
SWD1
2
LTW-C190DA5
G
LED1, LED8
2
LTST-C191KRKT
R
LED3, LED7
1
LTST-C191KSKT
Y
LED4
2
LTST-C193TBKT-5A
B
LED5, LED6
1
SD103AW-TP
D1
Show 24 more
QtyPartRefs
1
MPZ1005S121HT000
FerriteBead_Small
FB1
1
SRP1265A-6R8M
6.8uH
L1
29
CC0603KRX7R7BB104
100nF
C1, C14, C15, C16, C17, C18, C19, C20 +21
2
MSASG32MSB5226MPNA01
22uF
C2, C3
2
UMK212BB7225KG-T
2.2uF
C4, C51
2
KGM21NR71H104KT
0.1uF
C5, C6
3
EEE-FPV101XAP
100uF
C7, C9, C50
1
C0805C472J3GEC7210
4.7nF
C8
2
GRM188R61E106KA73D
10uF
C10, C12
2
GRM188R61E475KE11D
4.7uF
C11, C31
2
GRM188R61A105KA61D
1uF
C13, C38
3
TMK107ABJ225KA-T
2.2uF
C34, C35, C41
1
CL10B105KO8NNNC
1uF
C45
1
C0805C106K8RACTU
10uF
C46
1
PE2512FKE7W0R01Z
0.01
R1
2
ERJ-T06J103V
10k
R2, R20
1
ERJ-PA3F5600V
240
R3
1
ERA-3AEB1962V
19.6k
R4
1
ERA-6ARB682V
6.8K
R5
1
RMCF0805FT1K30
1.3K
R6
1
CRGP0603F560R
560
R7
2
CRGP0603F4K7
4.7K
R9, R10
2
CRGP0603F10K
10K
R13, R14
5
CRGP0603F330R
330
R15, R16, R17, R18, R19

Fc design files

The KiCad project lives in the Caleb646/Flapjack repository on GitHub; these links point at the commit this page was built from.

Fc: common questions

What microcontroller does the Fc use?

The Fc is built around the STM32H747BIT6, from the STM32 family.

How big is the Fc PCB?

The Fc measures 70.8 × 100 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Fc?

100 components, from 44 distinct parts. The full bill of materials is listed on this page.

Where can I download the Fc design files?

From the Caleb646/Flapjack repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Fc design in my own project?

The repository has no license, so all rights stay with Caleb646. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Fc 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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