Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Development Boards & Control Boards |
| Origin | - |
| Microcontroller Unit | STM32F103C8T6 |
| CPU Architecture | ARM Cortex-M3 |
| Max Frequency | 72 MHz |
| Flash Memory | 64 KB |
| SRAM | 20 KB |
| Ethernet Chip | W5500 |
| Interface Protocol | SPI |
| Operating Voltage | 3.3V |
| Power Supply | 5V via Micro USB |
| PCB Dimensions | 53mm x 23mm |
Anonymous
Apr 03, 2026
Rating: 5/5
Great Value
Cheaper than buying the MCU and Ethernet module separately. Saves space on my prototype PCB too. Highly recommended for students.
Anonymous
Mar 19, 2026
Rating: 4/5
Solid Board
Good quality construction and the Ethernet speed is reliable. The only downside is the pinout labeling is a bit small to read without magnification.
Anonymous
Mar 12, 2026
Rating: 3/5
Documentation Needed
Board works but examples are scarce. Had to dig through forums to find the right library for the W5500 SPI configuration.
Anonymous
Feb 25, 2026
Rating: 5/5
Perfect for IoT
The W5500 module works seamlessly with the STM32. I was able to get TCP connectivity up and running within an hour. Great board for networked embedded projects.
Anonymous
Feb 03, 2026
Rating: 5/5
Fast Ethernet
TCP/IP stack handles well even with multiple connections. Stable performance over long uptime tests. Very satisfied with this purchase.
Q: Can I use 5V sensors?
A: No, the logic level is 3.3V. Using 5V sensors directly may damage the MCU. Please use a level shifter.
Q: Is SWD header included?
A: Yes, there is a standard 4-pin SWD header available for debugging and programming with ST-Link.
Q: What is the SPI speed?
A: The SPI interface can operate up to 80MHz, allowing for fast data transfer with the W5500 chip.
Q: Does this support Arduino IDE?
A: Yes, you can use the STM32duino package to program this board via the Arduino IDE.
Q: Is PoE supported?
A: No, this board does not support Power over Ethernet. You must power it via the Micro USB port or VIN pin.
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