Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Processor | Allwinner H3 Quad-Core Cortex-A7 |
| RAM | 512MB DDR3 |
| Storage | 8GB eMMC (Optional), MicroSD Slot |
| Connectivity | 10/100M Ethernet, Wi-Fi 802.11 b/g/n |
| GPIO Pins | 26-pin Header compatible with Raspberry Pi |
| Operating System | UbuntuCore, Debian, FriendlyWrt |
| Dimensions | 48mm x 48mm |
| Power Supply | 5V/2A via MicroUSB or GPIO |
| Video Output | HDMI Type D (Micro HDMI) |
| Manufacturer | FriendlyARM |
Anonymous
Mar 31, 2026
Rating: 3/5
Good hardware, documentation could be better
The hardware is robust, but finding specific pinout diagrams for some peripheral interfaces took some digging in the forums. Once set up, it runs stable.
Anonymous
Mar 22, 2026
Rating: 5/5
Best budget network appliance
Flashed FriendlyWrt on it immediately. It makes an excellent travel router or ad-blocker. The dual antenna pads are a nice touch for range extension.
Anonymous
Mar 17, 2026
Rating: 4/5
Great value but needs cooling
Excellent board for the price. The H3 processor handles multiple tasks well, but I recommend adding a small heatsink if you plan to run it under heavy load continuously.
Anonymous
Mar 09, 2026
Rating: 4/5
Solid performance in tiny form factor
We use these in our workshop for various prototypes. The 512MB RAM is sufficient for most headless applications, though not suitable for heavy desktop environments.
Anonymous
Mar 09, 2026
Rating: 5/5
Perfect for compact IoT projects
The NanoPi Duo2 is incredibly small yet powerful enough for my home automation server. The Wi-Fi connectivity works flawlessly out of the box with UbuntuCore.
Anonymous
Mar 05, 2026
Rating: 5/5
Ideal for learning embedded Linux
As a student, this board was perfect for learning about GPIO and device trees. The community support from FriendlyARM is very helpful for beginners.
Q: Can I run a full desktop environment like XFCE on this?
A: While technically possible, the 512MB RAM limits performance significantly. It is recommended to use headless distributions like UbuntuCore or Debian Server for optimal stability.
Q: Is the GPIO voltage 3.3V or 5V?
A: The GPIO pins operate at 3.3V logic levels. Please ensure your sensors and modules are 3.3V compatible to avoid damaging the board.
Q: What is the maximum capacity for the MicroSD card?
A: The board officially supports MicroSD cards up to 128GB, though larger cards may work depending on the file system and kernel version used.
Q: How do I access the serial console for debugging?
A: You can access the serial console using the 3-pin header next to the USB port. Use 115200 baud rate, 8 data bits, no parity, and 1 stop bit.
Q: Does this board support PoE (Power over Ethernet)?
A: The standard NanoPi Duo2 does not have built-in PoE support. However, you can use a separate PoE splitter to provide 5V power via the MicroUSB port.
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