CH32V003A4M6-I — WCH
RISC-V RV32EC MCU, 48MHz, 16KB flash, 2KB SRAM, TSSOP20, industrial range -40..+85C

Category: MCU

Pricing
  LCSC         $0.20
  Mouser       $0.24
  DigiKey      $0.24
  Farnell      $0.27

Manufacturer: https://www.wch.cn