Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Microcontroller | STM32F103C8T6 (ARM Cortex-M3) |
| Ethernet Chip | W5500 Hardwired TCP/IP Stack |
| Network Interface | 10/100 Mbps RJ45 Port |
| Operating Voltage | 3.3V DC |
| Communication Protocol | SPI for W5500, USART for Debug |
| Supported Protocols | TCP, UDP, ICMP, IPv4, ARP, IGMP, PPPoE |
| Flash Memory | 64 KB |
| SRAM | 20 KB |
| Debug Interface | SWD / JTAG Compatible |
| Board Dimensions | 55mm x 25mm |
Anonymous
Mar 20, 2026
Rating: 5/5
Reliable Ethernet connectivity
I used this to add remote monitoring to a sensor node. The RJ45 port feels sturdy, and the board maintains a stable connection over long periods. The 3.3V logic level is perfect for direct interfacing.
Anonymous
Mar 18, 2026
Rating: 4/5
Great value, minor documentation gaps
The hardware quality is solid and the connection speed is stable. I deducted one star because the example code provided was a bit sparse, but once I found the W5500 library, everything worked flawlessly.
Anonymous
Mar 15, 2026
Rating: 4/5
Good for industrial control prototypes
We used several of these for a proof-of-concept in our factory automation line. They handled Modbus TCP well. Just ensure your power supply can handle the current spike during network initialization.
Anonymous
Mar 13, 2026
Rating: 5/5
Best bang for your buck
Bought a batch for our university lab. Students love how quickly they can get data from the microcontroller to a web server. The form factor is compact and fits easily into standard project enclosures.
Anonymous
Mar 06, 2026
Rating: 5/5
Perfect for IoT Prototyping
This board made connecting my STM32 project to the local network incredibly easy. The W5500 chip handles all the TCP/IP stack, so I didn't have to write complex networking code. Highly recommended for students and hobbyists.
Anonymous
Mar 03, 2026
Rating: 5/5
Excellent for learning networking
As a beginner in embedded systems, this board helped me understand how hardware-based TCP/IP stacks work. It's much faster than bit-banging an Ethernet connection. Setup with Keil and STM32CubeIDE was straightforward.
Q: What is the maximum cable length supported?
A: Since it uses a standard 10/100 Mbps RJ45 interface, it supports standard Ethernet cable lengths up to 100 meters (328 feet) with Cat5e or Cat6 cables.
Q: Does this board support PoE (Power over Ethernet)?
A: No, this development board does not have built-in PoE support. You will need to provide 3.3V power via the header pins or an external regulator.
Q: Can I use this with 5V Arduino boards directly?
A: The board operates at 3.3V. While many 5V Arduinos are 5V tolerant on SPI pins, it is highly recommended to use a logic level shifter to prevent potential damage to the STM32 or W5500 chip.
Q: Is the source code for the demo available?
A: Yes, we provide GitHub links in the product wiki page containing example projects for Keil, IAR, and Arduino IDE using the W5500 library.
Q: Does it support static IP assignment?
A: Yes, the W5500 chip allows you to configure both Static IP addresses and DHCP client functionality through the software library.
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