Powering a Nixie Tube from USB with a 10¢ RISC-V, the CH32V003

Running a Nixie Tube off USB with a software-defined flyback power supply running on the CH32V003 RISC-V microcontroller. Console Font: https://audiolink.dev/ Patreon: https://www.patreon.com/cnlohr ch32v003: https://github.com/cnlohr/ch32v003fun cnixxi: https://github.com/cnlohr/cnixxi (Look in the firmware and nixitest1 folders)