HardLabs

Jag board

soerenmeier·jag-board·pcb-v1/jag-v1.kicad_pcb

Jag board layout, top view — open source STM32 board by soerenmeier

About the Jag board

Jag board is an open source STM32 PCB design by soerenmeier, published on GitHub under the Apache-2.0 license. It is a 4-layer board measuring 95 × 56 mm, with 51 components from 36 distinct parts.

Its main chip is the STM32F302C8Tx, from the STM32 family. Other key parts include the LM2576HVS-5, LSM6DSR, ATGM336H-5N, EEPROM 64K and AMS1117-3.3. By type, the board carries 19 capacitors, 12 resistors, 8 ICs, 4 diodes, 2 crystals and 2 connectors.

From the project

Jag board is an attempt to make a pcb which can be used to control different kinds of rc vehicles. At first the focus will be on rc cars, which can be controlled via a web interface and a webcam.

Main components on the Jag board

LM2576HVS-5LSM6DSRATGM336H-5NEEPROM 64KAMS1117-3.3DRV8837CSTM32F302C8TxAT24C256C

Jag board bill of materials (BOM)

51 components, 36 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
LM2576HVS-5
U1
1
LSM6DSR
U2
1
ATGM336H-5N
U3
1
EEPROM 64K
U4
1
AMS1117-3.3
U5
1
DRV8837C
U6
1
STM32F302C8Tx
U7
1
AT24C256C
U8
1
Crystal @ 8MHz 20pF
Y1
1
Crystal @ 32.768kHz 12.5pF
Y2
1
GPS Antenna
J14
1
USB C
J15
2
Servo 3 Jumper
JP1, JP2
1
Power LED
D1
1
LED1
D2
1
LED2
D3
1
Schottky
D4
1
68uH
L1
1
47nH
L2
1
100uF
C1
Show 16 more
QtyPartRefs
1
220uF
C2
6
100nF
C3, C4, C9, C11, C15, C18
1
22uF (tantu)
C5
1
10uF
C6
2
0.1uF
C7, C8
1
10nF
C10
1
1uF
C12
2
30pF
C13, C14
2
18pF
C16, C17
1
4.7uF
C19
5
300
R1, R2, R3, R4, R5
2
5.1K
R6, R7
1
33K
R8
1
7.5K
R9
2
33K
R10, R12
1
1.5k
R11

Jag board design files

The KiCad project lives in the soerenmeier/jag-board repository on GitHub; these links point at the commit this page was built from.

Jag board: common questions

What microcontroller does the Jag board use?

The Jag board is built around the STM32F302C8Tx, from the STM32 family.

How big is the Jag board?

The Jag board measures 95 × 56 mm, has 4 copper layers and is 4.69 mm thick.

How many components are on the Jag board?

51 components, from 36 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the Jag board design files?

From the soerenmeier/jag-board repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the Jag board design in my own project?

Yes, under the terms of its Apache-2.0 license, which soerenmeier chose for the repository.

Can I test firmware for the Jag board 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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