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Easyduino STM32F103

Hanqaqa·Easyduino·STM32F103 Bluepill/Easyduino_STM32F103.kicad_pcb

Easyduino STM32F103 PCB layout, top view — open source STM32 board by Hanqaqa
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About the Easyduino STM32F103 PCB

Easyduino STM32F103 is an open source STM32 PCB design by Hanqaqa, published on GitHub under the CERN-OHL-P-2.0 license. It is a 4-layer board measuring 23 × 53 mm, with 30 components from 16 distinct parts.

Its main chip is the STM32F103C8TX, from the STM32 family. Other key parts include the XC6206P332MR. By type, the board carries 11 capacitors, 7 resistors, 4 connectors, 2 ICs, 2 crystals and 2 switches.

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

From the project

Easily dive into different PCB KiCad designs of the most popular microcontroller devboards

The Industry Standard in the Microcontroller World

- Input Voltage: 5.5V-9V(External Source through 5V pin) or 5V (USB). ONLY USE ONE VOLTAGE INPUT AT A TIME - Maximum Output Current at 5V input : 200 mA at 3.3V output - No Polarity Protection (External Source) - Overcurrent Protection: None

- STM32F103x8 Datasheet p36 -> one 100nF decoupling capacitor per VDD pin except one 4.7uF capacitor in VDD3. I will use a 1uF capacitor in VDD3 to save costs - STM32F103x8 Datasheet p36 -> one 10nF decoupling capacitor plus a 1uF capacitor for VDDA. I will not be needing very precise analog…

Easyduino STM32F103, from the project README
From the project README

Main components on the Easyduino STM32F103

XC6206P332MRSTM32F103C8TX

Easyduino STM32F103 bill of materials (BOM)

30 components, 16 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
XC6206P332MR
U1
1
STM32F103C8TX
STM32F103C8Tx
U2
1
8MHZ
8MHz
Y1
1
32.768KHZ
32.768kHz
Y2
1
USB_C_RECEPTACLE_USB2.0
USB_C_Receptacle_USB2.0
J1
2
CONN_01X20
Conn_01x20
J2, J3
1
CONN_01X04
Conn_01x04
J4
2
SW_Push
SW1, SW2
2
LED
D1, D2
4
100NF
100nF
C1, C2, C3, C9
3
1UF
1uF
C4, C5, C6
4
18P
18p
C7, C8, C10, C11
2
5.1K
5.1k
R1, R2
2
10K
10k
R3, R4
1
1.5K
1.5k
R5
2
1k
R6, R7

Easyduino STM32F103 design files

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

Easyduino STM32F103: common questions

What microcontroller does the Easyduino STM32F103 use?

The Easyduino STM32F103 is built around the STM32F103C8TX, from the STM32 family.

How big is the Easyduino STM32F103 PCB?

The Easyduino STM32F103 measures 23 × 53 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Easyduino STM32F103?

30 components, from 16 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 Easyduino STM32F103 design files?

From the Hanqaqa/Easyduino 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 Easyduino STM32F103 design in my own project?

Yes, under the terms of its CERN-OHL-P-2.0 license, which Hanqaqa chose for the repository.

Can I test firmware for the Easyduino STM32F103 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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