A while back, I found this Hackaday article that led me down a rabbit hole of cheap RISC-V microcontrollers. This post will mainly be a link dump and random notes on making use of these devices.

• Modern Components Enable Cheap And Compact Nixie Driver Circuit
• A CH32V003 Toolchain — If You Can Get One To Try It On
• PlatformIO platform for CH32V RISC-V chips
• CH32 RISC-V Projects using PlatformIO
• repo with English-language documentation