Sipeed

https://m.aliexpress.com/store/912570077 Electric robot store

Sipeed Lichee RV Dock Allwinner D1 Development Board RISC-V Linux Starter Kit  $10, pi zero alternative https://www.youtube.com/watch?v=613yEF6SrNo https://www.youtube.com/watch?v=o2dXIO8-pvg

maix2
https://www.aliexpress.com/store/1382212 Smartfly tech  $35 Sipeed Maix-II M2 Dock Allwinner v831 SOC deep Learning AI + IOT Linux 1080p Visual Demo Board video encoder h264, h265 at 1080p@30fps. NPU 0.2TOPS. 64MB DDR2. 2lane MIPI 1080P@60fps. SPIx3, I2Cx3, Ethernet. Will it take IMX219 raspberry cams? 5V, 50-490ma depending on load(wifi,npu)

links
Khadas_SBC