Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Core Processor | Renesas RA6M5 (ARM Cortex-M33) |
| Maximum Frequency | 200 MHz |
| Flash Memory | 2 MB |
| SRAM | 512 KB |
| Debug Interface | J-Link Onboard (SWD/JTAG) |
| Connectivity | Ethernet, USB HS/FS, CAN FD |
| Expansion Headers | Arduino Uno R3 Compatible |
| Power Supply | 5V via USB or DC Jack |
| Supported IDEs | e2 studio, Keil MDK, IAR EWARM |
| Board Dimensions | 85mm x 55mm |
Anonymous
Mar 30, 2026
Rating: 5/5
Excellent board for industrial IoT projects
The RA6M5 chip is incredibly powerful for the price. The onboard J-Link debugger works flawlessly with e2 studio, saving me from buying external hardware. Great documentation from 100ask as well.
Anonymous
Mar 22, 2026
Rating: 4/5
Solid performance, minor pinout confusion
Performance is top-notch and the Ethernet peripheral is very stable. I had to double-check the silkscreen against the schematic for a few GPIO pins, but once sorted, development was smooth.
Anonymous
Mar 16, 2026
Rating: 5/5
Fast shipping and quality build
Arrived quickly and well-packaged. The PCB quality is excellent with clear labeling. The USB-C power delivery is a nice modern touch. Highly recommended for rapid prototyping.
Anonymous
Mar 13, 2026
Rating: 4/5
Great value but needs better examples
Hardware is fantastic for the cost. However, I wish there were more beginner-friendly example projects specifically for the Arduino headers. Still, a great learning tool overall.
Anonymous
Mar 07, 2026
Rating: 5/5
Robust for control applications
We used this for a prototype motor controller. The CAN FD implementation is reliable, and the real-time capabilities of the Cortex-M33 core handled our control loops without jitter.
Anonymous
Mar 01, 2026
Rating: 5/5
Perfect for learning Renesas ecosystem
As someone transitioning from STM32, this board made the switch easy. The FSP (Flexible Software Package) is intuitive, and the community support for Wei Dongshan boards is growing fast.
Q: What software is needed to program this board?
A: You can use Renesas e2 studio (based on Eclipse), Keil MDK, or IAR Embedded Workbench. All require the installation of the Renesas Flexible Software Package (FSP).
Q: Is the Ethernet port 10/100 Mbps or Gigabit?
A: The RA6M5 MCU on this board supports 10/100 Mbps Ethernet. It does not support Gigabit speeds.
Q: Are the Arduino headers compatible with all standard shields?
A: They follow the standard Arduino Uno R3 form factor for digital and analog pins, but voltage levels are 3.3V. Ensure your shield is 3.3V tolerant before connecting.
Q: Does this board support FreeRTOS out of the box?
A: Yes, the Renesas FSP includes a ThreadX module which is API-compatible with many RTOS standards, and FreeRTOS ports are available via the community and third-party repositories.
Q: Can I power this board directly from a 3.3V source?
A: No, please do not supply 3.3V directly to the main power input. The board requires 5V input via USB or the DC jack, as it has an onboard regulator to step down to 3.3V for the MCU.
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