devices CH32V006EVT WCH CH32V006EVT Brings Zephyr and Open Tooling to a Sub-$15 RISC-V Board Olimex's tiny CH32V006EVT pairs a 48MHz RISC-V MCU with 62KB flash, an upstream Zephyr board target, and open-source ch32fun tooling for about $11. Devices Risc V 2026-07-01