Yuzuki Avaota-A1 is a $55 single-board PC with 8 ARM Cortex-A55 CPU cores and an embedded RISC-V core

The Yuzuki Avaota-A1 is a single-board PC that stands out for a few reasons. One is that it's based on an entirely open source design – the board is now available for purchase for $55, but it was first introduced earlier this year, and you can find schematics and documentation at the Avaota website.

Another unusual feature is that the board is powered by an Allwinner A527 system-on-a-chip that combines ARM and RISC-V processor cores… although the RISC-V core is probably best thought of as a low-performance co-processor.

That's because the chip has eight 64-bit ARM Cortex-A55 cores that run at speeds up to 1.8 GHz, and a single 32-bit XuanTie E906 RISC-V core that tops out at 200 MHz.

Other Allwinner A527 features include Mali-G57 MC1 graphics with support for the open source Panfrost graphics driver, a 600 MHz HiFi4 DSP, and a neural processing unit with up to 2 TOPS of hardware-accelerated AI performance.

As for the Avaota-A1 board, it features LPDDR4 memory and eMMC 5.1 storage. Pine64 has partnered with Avaota to sell a 4GB/32GB model for $55, but the board can also be configured with 1GB or 2GB of RAM and up to 128GB of storage.

There's also a microSD card reader, support for WiFi 6 and Bluetooth 5.4, and a set of ports and connectors that includes:

1 x USB 3.0 Type-A OTG

1 x USB 2.0 Type-A

1 x USB Type-C OTG

2 x Gigabit Ethernet

1 x HDMI 2.0

1 x DisplayPort

1 x 3.5mm audio

1 x 40-pin GPIO header

1 x DC power input (12V/2A)

There are also MIPI-CSI and MIPI-DSI interfaces for cameras and displays. The board measures 98 x 73mm (3.86″ x  2.87″).

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