Linux board 【LuckFox Pico】 【Milk-V Duo】
FPGA board 【Lichee Tang Nano1K】
These three development boards are only 6.9 Dollar, but they can bring you unlimited possibilities of embedded development and FPGA design!
https://www.aliexpress.com/item/32568...
https://spotpear.com/shop/LuckFox-Pic...