Attributes

Brand	-
Category	Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards
Origin	-
Microcontroller	STM32F103ZET6 (ARM Cortex-M3)
Network Chip	W5500 Hardwired TCP/IP Embedded Ethernet Controller
Connectivity	RJ45 Ethernet Port, SPI Interface for WiFi Modules
Operating Voltage	3.3V Logic, 5V Input via USB or Barrel Jack
Flash Memory	512 KB
SRAM	64 KB
GPIO Pins	112 Fast I/O Ports
Debug Interface	JTAG/SWD Connector
Clock Speed	Up to 72 MHz
Supported IDEs	Keil MDK, IAR EWARM, STM32CubeIDE, Arduino (via HAL)

6 reviews

Anonymous

Mar 31, 2026

Rating: 4/5

Good value for money

For the price, you get a lot of processing power and networking capability. The example code provided on the manufacturer's site got me started quickly. Would have liked a built-in USB-to-serial converter, but that's a minor inconvenience.

Anonymous

Mar 29, 2026

Rating: 5/5

Industrial grade performance

Using this in a prototype for a smart factory dashboard. The real-time performance of the Cortex-M3 combined with the offloaded network processing of the W5500 is exactly what we needed. Highly recommended.

Anonymous

Mar 24, 2026

Rating: 4/5

Great hardware, minor pin labeling issue

The build quality is excellent and the Ethernet connection is very stable. I deducted one star because a few GPIO labels on the silkscreen were slightly hard to read under bright light. Otherwise, a solid choice for industrial control projects.

Anonymous

Mar 21, 2026

Rating: 5/5

Robust and Reliable

I've been running this board continuously for three weeks monitoring sensors in my workshop. No crashes or network dropouts. The power regulation seems very stable even when driving multiple peripherals.

Anonymous

Mar 06, 2026

Rating: 5/5

Excellent learning tool

Bought this for my university embedded systems course. It works flawlessly with STM32CubeMX. The ability to switch between wired Ethernet and adding a WiFi module via SPI gives great flexibility for different project requirements.

Anonymous

Mar 02, 2026

Rating: 5/5

Perfect for IoT Prototyping

This board makes setting up networked devices incredibly easy. The W5500 chip handles the TCP/IP stack efficiently, freeing up the STM32 for application logic. Documentation was clear and I had it running MQTT within an hour.

5 FAQ

Q: Can I program this using the Arduino IDE?

A: Yes, you can program the STM32F103ZET6 using the Arduino IDE by installing the appropriate STM32 board package and selecting the generic STM32F1 series. Note that some advanced Ethernet libraries may require adaptation.

Q: Does this board support Power over Ethernet (PoE)?

A: No, this specific model does not have built-in PoE support. It must be powered via the USB port or the external DC barrel jack.

Q: Is the JTAG debugger included in the package?

A: No, the board includes the JTAG/SWD header connector, but the external debugger/programmer (such as ST-Link V2) is sold separately.

Q: Does the W5500 support IPv6?

A: The W5500 chip primarily supports IPv4. While some tunneling methods exist, native IPv6 handling is not supported directly by the hardware socket engine.

Q: What is the maximum speed of the SPI interface for connecting a WiFi module?

A: The SPI interface on the STM32F103ZET6 can operate up to 18 MHz, which is sufficient for most common SPI-based WiFi modules like the ESP-01S or similar.

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