HardLabs

Sduino uno

roybaer·sduino_uno·kicad/sduino_uno.kicad_pcb

Sduino uno PCB layout, top view — open source STM32 board by roybaer
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About the Sduino uno PCB

Sduino uno is an open source STM32 PCB design by roybaer, published on GitHub. It is a 2-layer board measuring 68.6 × 53.3 mm, with 45 components from 31 distinct parts.

Its main chip is the STM8S105K6T6C_LQFP32, from the STM32 family. Other key parts include the NCP1117-5.0_SOT223, NCP1117-3.3_SOT223, CH340G, LM358 and STM8S105K6U6A_UFQFPN32. By type, the board carries 12 capacitors, 6 ICs, 5 crystals, 4 LEDs, 3 resistors and 2 connectors.

It belongs with the dev boards & breakouts and usb & debug tools designs in this gallery.

From the project

A development board with STM8S105K6 MCU in Arduino UNO form factor

The sduino UNO is an attempt at creating a mechanically and electrically Arduino-UNO-compatible development board based on the STM8S105K6 microcontroller. Both, mechanical and electrical design are to a notable degree based on the Arduino UNO board.

Components and silkscreen can be viewed in more detail in a picture of the component side and a picture of the back side of the assembled board.

Sduino uno, from the project README
From the project README

Main components on the Sduino uno

NCP1117-5.0_SOT223NCP1117-3.3_SOT223CH340GSTM8S105K6T6C_LQFP32LM358STM8S105K6U6A_UFQFPN32

Sduino uno bill of materials (BOM)

45 components, 31 distinct parts.

QtyPartRefs
1
NCP1117-5.0_SOT223
U1
1
NCP1117-3.3_SOT223
U2
1
CH340G
U3
1
STM8S105K6T6C_LQFP32
U4
1
LM358
U5
1
STM8S105K6U6A_UFQFPN32
U6
1
FDN340P
Q1
1
Jack-DC
X1
1
USB_B
X2
1
USB_OTG
X3
1
12MHz
Y1
1
16MHz
Y2
1
Conn_01x04
J1
1
Conn_01x02
J2
1
Conn_01x06
AD1
1
MF-MSMF050-2
F1
1
Conn_01x10
IOH1
2
Conn_01x08
IOL1, POWER1
2
47µ
PC1, PC2
1
TS42031-160R-TR-7260
RESET1
Show 11 more
QtyPartRefs
1
Conn_02x04_Odd_Even
SPI_PWR1
1
Conn_01x03
VSEL1
3
YELLOW
LED_L1, LED_RX1, LED_TX1
1
GREEN
LED_ON1
1
M7
D1
1
CD1206-S01575
D2
4
22p
C1, C2, C5, C6
2
1µ
C3, C4
6
100n
C7, C8, C9, C10, C11, C12
1
10k
RN1
2
1k
RN2, RN3

Sduino uno design files

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

Sduino uno: common questions

What microcontroller does the Sduino uno use?

The Sduino uno is built around the STM8S105K6T6C_LQFP32, from the STM32 family.

How big is the Sduino uno PCB?

The Sduino uno measures 68.6 × 53.3 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Sduino uno?

45 components, from 31 distinct parts. The full bill of materials is listed on this page.

Where can I download the Sduino uno design files?

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

Can I use the Sduino uno design in my own project?

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

Can I test firmware for the Sduino uno 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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