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Goatfc bones

Torie3·goatfc-bones

Goatfc bones PCB layout, top view — open source STM32 board by Torie3

About the Goatfc bones PCB

Goatfc bones is an open source STM32 PCB design by Torie3, published on GitHub under the CC-BY-NC-4.0 license. It is a 4-layer board measuring 30 × 26 mm, with 54 components from 30 distinct parts.

Its main chip is the STM32F722RETx, from the STM32 family. Other key parts include the W25Q128JVPIQ, RT9013-33GB, ICM-42688-P and AP63200WU. By type, the board carries 25 capacitors, 12 resistors, 7 ICs, 3 connectors, 3 diodes and 2 inductors.

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

From the project

Basic racing flight controller

- Voltage Regulation: - 5V and 12V BEC outputs - Dual 3.3V LDOs: - One dedicated to the IMU for noise isolation - One for the rest of the system

- Connectivity: - Micro-USB for configuration - 20x20mm standard mounting pattern - ESC connector for clean wiring - 6-pin HD video system plug

- Software: - Compatible with Betaflight no official target yet!

- License & Use: - Open-source – build it, modify it, improve it - Non-commercial – redistribution for sale is not allowed ## 🧷 Pinout Diagram

Goatfc bones, from the project README
From the project README

Main components on the Goatfc bones

W25Q128JVPIQSTM32F722RETxRT9013-33GBICM-42688-PAP63200WU

Goatfc bones bill of materials (BOM)

54 components, 30 distinct parts.

QtyPartRefs
1
W25Q128JVPIQ
U1
1
STM32F722RETx
U2
2
RT9013-33GB
U3, U4
1
ICM-42688-P
U5
2
AP63200WU
U6, U7
1
CSTNE8M00G550000R0
Y1
1
USB_B_Micro
J1
1
Conn_01x08_Socket
J2
1
Conn_01x06_Socket
J3
1
B3U-1000P
S1
1
BAT54C
D1
1
LED
D2
1
LED
D3
2
L10µH
L1, L2
10
C100nF
C2, C10, C13, C17, C18, C20, C21, C22 +2
4
C22µF
C3, C5, C26, C27
2
C2.2µF
C4, C14
1
C100pF
C6
5
C1µF
C7, C8, C9, C12, C24
1
C10nF
C15
Show 10 more
QtyPartRefs
1
C56pF
C16
1
C4.7µF
C19
1
R158k
R1
1
R30.1k
R2
2
R10k
R3, R9
2
R22
R5, R6
1
R18k
R7
2
R100k
R8, R14
2
R330
R10, R11
1
R249k
R13

Goatfc bones design files

The KiCad project lives in the Torie3/goatfc-bones repository on GitHub; these links point at the commit this page was built from.

Goatfc bones: common questions

What microcontroller does the Goatfc bones use?

The Goatfc bones is built around the STM32F722RETx, from the STM32 family.

How big is the Goatfc bones PCB?

The Goatfc bones measures 30 × 26 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Goatfc bones?

54 components, from 30 distinct parts. The full bill of materials is listed on this page.

Where can I download the Goatfc bones design files?

From the Torie3/goatfc-bones repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Goatfc bones design in my own project?

It is published under CC-BY-NC-4.0, which limits how it may be reused; read the license before building on it.

Can I test firmware for the Goatfc bones 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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