Attributes

Brand	-
Category	Electronic Components / Maker DIY / Development Boards & Control Boards
Origin	-
Microcontroller	STM32F103C8T6
Ethernet Chip	W5500
Interface Type	RJ45
Core Architecture	ARM Cortex-M3
Maximum Frequency	72 MHz
Flash Memory	64 KB
SRAM	20 KB
Operating Voltage	3.3V / 5.0V
Debug Interface	SWD / JTAG
Board Size	55mm x 22mm

5 reviews

Anonymous

Apr 09, 2026

Rating: 5/5

Fast Shipping

Board arrived quickly and works out of the box with STM32duino package.

Anonymous

Mar 28, 2026

Rating: 4/5

Good Value

Hardware is great, but pinout diagram could be clearer for beginners.

Anonymous

Mar 13, 2026

Rating: 5/5

Stable Connection

TCP/IP stack is very stable compared to other modules I tried previously.

Anonymous

Mar 05, 2026

Rating: 5/5

Excellent for Networking

Used this for a home automation project. The W5500 library works flawlessly with the STM32 core.

Anonymous

Jan 26, 2026

Rating: 4/5

Great Learning Tool

Perfect for students learning embedded Ethernet. Needs 3.3V logic attention.

5 FAQ

Q: Is the GPIO 5V tolerant?

A: Most GPIO pins are 5V tolerant, but please refer to the specific datasheet for pin configurations.

Q: What is the maximum Ethernet speed?

A: The W5500 chip supports 10/100 Mbps Ethernet speeds.

Q: Does this board support Power over Ethernet?

A: No, this board does not support PoE. It requires a separate 5V power supply.

Q: Is this compatible with Arduino IDE?

A: Yes, it is compatible using the STM32duino board package.

Q: Is a debugger included with the board?

A: No, an external ST-Link programmer is required for debugging and flashing.

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