CH32V103R8T6 — WCH RISC-V RV32IMAC MCU, 72MHz, 64KB flash, 20KB SRAM, LQFP64 Category: MCU Pricing LCSC $0.82 Mouser $0.95 DigiKey $0.99 Farnell $1.15 Manufacturer: https://www.wch.cn