HardLabs

Torso

kristblo·TTK4900_Masteroppgave·PCBs/torso/torso.kicad_pcb

Torso PCB layout, top view — open source STM32 board by kristblo

About the Torso PCB

Torso is an open source STM32 PCB design by kristblo, published on GitHub. It is a 4-layer board measuring 140 × 81 mm, with 79 components from 44 distinct parts.

Its main chip is the TJA1057GT/3J, from the STM32 family. Other key parts include the LM317_TO-220 and STM32F303RETx. By type, the board carries 20 capacitors, 20 resistors, 8 diodes, 4 ICs, 2 jumpers and 1 transistor.

From the project

Masteroppgave v24

Main components on the Torso

TJA1057GT/3JLM317_TO-220STM32F303RETx

Torso bill of materials (BOM)

79 components, 44 distinct parts.

QtyPartRefs
1
TJA1057GT/3J
U1
2
LM317_TO-220
U2, U3
1
STM32F303RETx
U4
1
Q_NIGBT_CGE
Q1_RLY_CTRL1
1
USB_B_Micro
J3
1
BOOTMODE
BOOT1
1
120Ohm
CAN_TRM1
1
USBLC6-2P6
CR1
2
330uF
C_MTR1, C_MTR2
1
Conn_02x05_Odd_Even
ENC1
2
Jumper_2_Open
JP1, JP2
1
RELAY
JV-3S-KT1
2
Conn_01x03
LO_V_DBG1, RLY_CTL_DBG1
1
Conn_02x10_Top_Bottom
MAIN1
1
705430001
MTR2
1
Conn_01x07
MTR_ASY_DBG1
2
DRV8251ADDAR
MTR_DRV1, MTR_DRV2
1
Conn_01x04
PWR_CAN_OUT1
1
0,386k
RV1
1
0,706k
RV2
Show 24 more
QtyPartRefs
2
510Ohm
R_IPROPI1, R_IPROPI2
1
Conn_01x05
SRL_FLASH1
1
RESET
SW1
1
Conn_01x02
UART1
1
ABL-16.000MHZ-B2
XTAL1
4
IN4005
D1, D2, D3, D4
1
LED_3V3
D5
1
LED_5V
D6
1
LED
D7
1
D_Zener
D8
11
100nF
C1, C2, C3, C4, C9, C10, C13, C17 +3
4
10muF
C5, C6, C7, C8
2
20pF
C11, C12
1
4.7muF
C14
1
1muF
C15
1
10nF
C16
2
240Ohm
R1, R2
2
1k5
R3, R4
1
82k
R5
1
1k5
R6
1
33k
R7
1
10kOhm
R8
1
340Ohm
R9
11
40kOhm
R10, R11, R12, R13, R14, R15, R16, R17 +3

Torso design files

The KiCad project lives in the kristblo/TTK4900_Masteroppgave repository on GitHub; these links point at the commit this page was built from.

Torso: common questions

What microcontroller does the Torso use?

The Torso is built around the TJA1057GT/3J, from the STM32 family.

How big is the Torso PCB?

The Torso measures 140 × 81 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Torso?

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

Where can I download the Torso design files?

From the kristblo/TTK4900_Masteroppgave repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Torso design in my own project?

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

Can I test firmware for the Torso 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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