HardLabs

Pedals

janc18·CAE32·Schematics/CAE32_PCB/Pedals/Pedals.kicad_pcb

Pedals PCB layout, top view — open source STM32 board by janc18
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About the Pedals PCB

Pedals is an open source STM32 PCB design by janc18, published on GitHub under the GPL-3.0 license. It is a 4-layer board measuring 86 × 62 mm, with 116 components from 34 distinct parts.

Its main chip is the STM32F072RBTx, from the STM32 family. Other key parts include the REF3033, ADC128S102, LDL1117 and HX711. By type, the board carries 45 capacitors, 30 resistors, 14 connectors, 7 ICs, 6 diodes and 3 transistors.

From the project

Simracing equipment, including hardware, software, and firmware design.

CAE32 is a project for building and developing all stages of a gaming wheel for PC, specifically for the GNU/Linux operating system.

If you want to contribute, please read the CONTRIBUTING-english.md file.

Si tu quieres contribuir, por favor lee el documento CONTRIBUTING.md

Developing the UML diagram of the whole system

Working on the development of the UML diagram for the pedals firmware

Main components on the Pedals

STM32F072RBTxREF3033ADC128S102LDL1117HX711

Pedals bill of materials (BOM)

116 components, 34 distinct parts.

QtyPartRefs
1
STM32F072RBTx
U1
1
REF3033
U2
1
ADC128S102
U3
1
LDL1117
U4
3
HX711
U5, U6, U7
3
MMBT3906
Q1, Q2, Q3
1
8 MHz
Y1
1
Conn_01x19_Pin
J1
1
ST-LINK
J2
8
Conn_01x03_Female
J5, J6, J7, J9, J10, J11, J13, J14
1
USB_C_Receptacle_USB2.0
J15
3
LC
J17, J18, J19
1
0466-500NRHF
F2
3
SolderJumper_2_Open
JP1, JP2, JP3
1
CONFIG
SW1
2
SW
SW2, SW3
4
LED
D1, D2, D3, D6
1
VCAN26A2-03GHE3
D4
1
SMF5V0A
D5
3
3u3
L1, L2, L3
Show 14 more
QtyPartRefs
22
100n
C1, C3, C4, C7, C8, C9, C10, C15 +14
1
47u
C2
2
1u
C5, C12
3
4u7
C6, C13, C14
1
10n
C11
6
10u
C20, C21, C25, C26, C32, C34
8
33n
C36, C37, C38, C39, C40, C41, C42, C43
2
12p
C44, C45
4
330
R1, R2, R3, R7
4
10K
R4, R16, R17, R22
2
5K1
R5, R6
14
100
R8, R9, R10, R11, R18, R19, R23, R24 +6
3
20k
R12, R14, R20
3
8.2k
R13, R15, R21

Pedals design files

The KiCad project lives in the janc18/CAE32 repository on GitHub; these links point at the commit this page was built from.

Pedals: common questions

What microcontroller does the Pedals use?

The Pedals is built around the STM32F072RBTx, from the STM32 family.

How big is the Pedals PCB?

The Pedals measures 86 × 62 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Pedals?

116 components, from 34 distinct parts. The full bill of materials is listed on this page.

Where can I download the Pedals design files?

From the janc18/CAE32 repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Pedals design in my own project?

Yes, under the terms of its GPL-3.0 license, which janc18 chose for the repository.

Can I test firmware for the Pedals 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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