The board is available from various vendors, including the manufacturer itself, see here for pcDuino v1 and here for pcDuino v2.
Further details of the board: http://linux-sunxi.org/LinkSprite_pcDuino and http://linux-sunxi.org/LinkSprite_pcDuino_V2
| Model | Ports |
|---|---|
| pcDuino1 | 2GB NAND, μSD, 2x USB2, 10/100 Mbps ethernet, UEXT, HDMI |
| pcDuino2 | 2GB NAND, μSD, 1x USB2, RTL8188CUS, 10/100 Mbps ethernet, UEXT, HDMI |
For installation see soc.allwinner.sunxi.
Since pcDuino2 uses the same image, either build with or install the rtl819x Wi-Fi driver to use.
You can use your usual serial levelshifter. Pinout is:
wip