CH32F103C8T6R — WCH ARM Cortex-M3 MCU, 72MHz, 64KB flash, 20KB SRAM, LQFP48, tape & reel, 2500 pcs Category: MCU Pricing LCSC $0.77 Mouser $1.03 DigiKey $1.07 Farnell $1.08 Manufacturer: https://www.wch.cn