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Home / Development, Learning, Evaluation & Industrial Control Boards / Weidongshan Allwinner V821 Pico Single Board, Avaota Minimal System Core Development Board with MIPI Color Camera

Attributes

Brand -
Category Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards
Origin -
Processor Allwinner V821 Quad-core Cortex-A53
RAM 512MB DDR3
Storage 8GB eMMC Flash
Camera Interface MIPI CSI-2 (Supports up to 5MP)
Included Camera 2MP MIPI Color Camera Module
Connectivity Wi-Fi 802.11 b/g/n, Bluetooth 4.2
I/O Interfaces USB 2.0 Host, Micro USB OTG, UART, I2C, SPI
Display Output MIPI DSI interface for LCD panels
Power Supply 5V/2A via Micro USB or GPIO header
Dimensions 45mm x 30mm (Pico form factor)

6 reviews

A

Anonymous

Mar 29, 2026

Rating: 4/5

Great value, documentation could be better

Hardware quality is excellent and the price point is unbeatable for a quad-core board with Wi-Fi. However, some of the pinout diagrams in the wiki were slightly outdated. Once I figured it out, development was smooth.

A

Anonymous

Mar 27, 2026

Rating: 5/5

Ideal for drone prototypes

Due to its minimal weight and size, this board fits perfectly into my custom drone frame. The video latency from the MIPI camera is low enough for real-time stabilization algorithms.

A

Anonymous

Mar 25, 2026

Rating: 5/5

Best learning board for computer vision

As a university student, this board allowed me to complete my final year project on object detection without breaking the bank. The community support is growing rapidly.

A

Anonymous

Mar 23, 2026

Rating: 4/5

Solid performance for the price

Boots quickly into Linux and handles multitasking well. The 512MB RAM is a bit tight for heavy browser usage, but for dedicated embedded tasks, it performs flawlessly.

A

Anonymous

Mar 20, 2026

Rating: 3/5

Good for prototyping, check thermal limits

Works great for initial proofs of concept. Under sustained full-load CPU usage without a heatsink, it does throttle. Added a small passive cooler and now it runs stable 24/7.

A

Anonymous

Mar 18, 2026

Rating: 5/5

Perfect for compact AI vision projects

The V821 Pico board is incredibly small yet powerful enough for my edge computing tests. The included MIPI camera works out of the box with the provided Avaota image, saving me hours of driver configuration.

5 FAQ

Q: Can I connect a second camera module?

A: The board has one dedicated MIPI CSI connector. Adding a second camera would require a USB webcam via the USB host port, as there is only one MIPI interface available.

Q: What is the maximum resolution supported by the MIPI interface?

A: The MIPI interface can technically support up to 5MP sensors depending on the specific sensor driver implemented, but the bundled 2MP camera is optimized for performance and compatibility.

Q: Is there a JTAG header for debugging?

A: Yes, there are unpopulated pads on the PCB labeled for JTAG debugging. You will need to solder your own pins or use a pogo-pin adapter for access.

Q: How do I expand the storage beyond the built-in 8GB?

A: The board does not have an SD card slot to maintain its pico size. However, you can mount external storage via the USB Host port using a flash drive or an external SSD enclosure.

Q: Does this board support Android OS?

A: Yes, the Allwinner V821 supports Android builds, though the primary focus and best-supported OS for the Avaota Minimal System is Linux (Buildroot/Ubuntu).

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