HardLabs

QUarkNano 9250 UC4H

ukmook·qUark·qUarkNano_UC4H_HW/qUarkNano_9250_UC4H.kicad_pcb

QUarkNano 9250 UC4H PCB layout, top view — open source STM32 board by ukmook
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About the QUarkNano 9250 UC4H PCB

QUarkNano 9250 UC4H is an open source STM32 PCB design by ukmook, published on GitHub under the CC-BY-SA-4.0 license. It is a 4-layer board measuring 21.5 × 30 mm, with 61 components from 35 distinct parts.

Its main chip is the STM32F405RGT6, from the STM32 family. Other key parts include the MPU9250, REG113NA-3.3_250, BMP280_P and MAX3051. By type, the board carries 19 resistors, 18 capacitors, 10 connectors, 5 ICs, 5 diodes and 1 transistor.

It belongs with the sensors designs in this gallery.

From the project

HW designs

This is not an easy build and uses very small components.

I use a small oven which i bought from a local store, a microscope from ebay and solder paste from an online UK store. Also OSH Stencils are the best i have tried others and they dont come close. 4mil stainless steel. But if you are thinking of building this then i suspect that you already have the right tools.

QUarkNano 9250 UC4H, from the project README
From the project README

Main components on the QUarkNano 9250 UC4H

MPU9250STM32F405RGT6REG113NA-3.3_250BMP280_PMAX3051

QUarkNano 9250 UC4H bill of materials (BOM)

61 components, 35 distinct parts.

QtyPartRefs
1
MPU9250
U1
1
STM32F405RGT6
U2
1
REG113NA-3.3_250
U3
1
BMP280_P
U4
1
MAX3051
U5
1
NFET_CSD13383F4_MICRO
Q1
1
CSTCE16M0V53A-R0
Y1
1
SD_CARD_JST
J1
2
JST_GH_4_BRD
J2, J3
1
CONN_1.27_4
J4
1
PIN_2.54x3_VRT
J5
3
PIN_2.54x4_VRT
J6, J7, J9
1
Pin_Header_Straight_1x02_Pitch2.54mm
J8
1
USB_A_VRT_WURTH
J10
1
EVPBB2A9B000
S1
1
Red_LED_0402
D1
1
Blue_LED_0402
D2
1
Green_LED_0402
D3
2
SDM1U20CSP-7
D4, D5
1
Ferrite_Bead_0805_Wurth
FB1
Show 15 more
QtyPartRefs
2
0402_2.2uF_X5R
C1, C2
5
0402_100nF_X5R
C3, C4, C6, C10, C18
2
0402_10nF_X5R
C5, C8
2
0603_100nF_X7R
C7, C9
2
0603_4.7uF_X5R
C11, C12
5
0402_100nF_X7R
C13, C14, C15, C16, C17
6
0402_10K
R1, R5, R8, R9, R10, R11
3
0402_330R
R2, R3, R4
2
0402_22R
R6, R7
1
0603_120R
R12
1
0402_0R
R13
1
0402_1K1
R14
1
0402_1K
R15
1
0402_9K1
R16
3
0402_2K
R17, R18, R19

QUarkNano 9250 UC4H design files

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

QUarkNano 9250 UC4H: common questions

What microcontroller does the QUarkNano 9250 UC4H use?

The QUarkNano 9250 UC4H is built around the STM32F405RGT6, from the STM32 family.

How big is the QUarkNano 9250 UC4H PCB?

The QUarkNano 9250 UC4H measures 21.5 × 30 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the QUarkNano 9250 UC4H?

61 components, from 35 distinct parts. The full bill of materials is listed on this page.

Where can I download the QUarkNano 9250 UC4H design files?

From the ukmook/qUark repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the QUarkNano 9250 UC4H design in my own project?

Yes, under the terms of its CC-BY-SA-4.0 license, which ukmook chose for the repository.

Can I test firmware for the QUarkNano 9250 UC4H 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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