CH32V307WBU6 — WCH
RISC-V RV32IMAC MCU, 144MHz, 256KB flash, 64KB SRAM, QFN68

Category: MCU

Pricing
  LCSC         $1.66
  Mouser       $1.99
  DigiKey      $1.99
  Farnell      $2.28

Manufacturer: https://www.wch.cn