HardLabs

Hand

kristblo·TTK4900_Masteroppgave·PCBs/hand/hand.kicad_pcb

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

About the Hand PCB

Hand is an open source STM32 PCB design by kristblo, published on GitHub. It is a 4-layer board measuring 55.5 × 91 mm, with 74 components from 38 distinct parts.

Its main chip is the TJA1057GT/3J, from the STM32 family. Other key parts include the STM32F303RETx, LM317_TO-220 and LSM6DSMTR. By type, the board carries 20 capacitors, 15 resistors, 8 diodes, 5 ICs, 2 jumpers and 1 connector.

From the project

Masteroppgave v24

Main components on the Hand

TJA1057GT/3JSTM32F303RETxLM317_TO-220LSM6DSMTR

Hand bill of materials (BOM)

74 components, 38 distinct parts.

QtyPartRefs
1
TJA1057GT/3J
U1
1
STM32F303RETx
U2
2
LM317_TO-220
U3, U4
1
LSM6DSMTR
U5
1
Conn_01x02
J6
1
BOOTMODE
BOOT1
1
120Ohm
CAN_TRM1
1
Conn_01x03
CON_A1
6
47muF
C_MTR1, C_MTR2, C_MTR3, C_MTR4, C_MTR5, C_MTR6
2
Conn_01x05
ENC1, ENC2
1
Conn_01x02
IMU_OPT1
2
Jumper_2_Open
JP1, JP2
2
Conn_02x04_Odd_Even
MTR1, PWR_CAN_IMU1
2
DRV8251ADDAR
MTR_DRV1, MTR_DRV2
1
0,386k
RV1
1
0,706k
RV2
1
40k
R_EN1
2
510Ohm
R_IPROPI1, R_IPROPI2
1
Conn_02x05_Odd_Even
SRL_FLS_URT1
1
ABL-16.000MHZ-B2
XTAL1
Show 18 more
QtyPartRefs
1
LED
D1
1
D_Zener
D2
4
IN4005
D3, D4, D5, D6
1
LED_3V3
D7
1
LED_5V
D8
11
100nF
C1, C3, C7, C8, C9, C10, C13, C14 +3
1
4.7muF
C4
1
1muF
C5
1
10nF
C6
2
20pF
C11, C12
2
10muF
C15, C16
2
100nF
C21, C22
1
10kOhm
R1
1
340Ohm
R3
7
40k
R4, R5, R7, R11, R12, R13, R14
2
240Ohm
R6, R8
2
1k5
R9, R10
2
10k
R27, R31

Hand 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.

Hand: common questions

What microcontroller does the Hand use?

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

How big is the Hand PCB?

The Hand measures 55.5 × 91 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Hand?

74 components, from 38 distinct parts. The full bill of materials is listed on this page.

Where can I download the Hand 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 Hand 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 Hand 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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