APM32F103CBT6-I — Geehy ARM Cortex-M3 MCU, 72MHz, 128KB flash, 20KB SRAM, LQFP48, industrial range -40..+85C Category: MCU Pricing LCSC $1.08 Mouser $1.34 DigiKey $1.34 Farnell $1.41 Manufacturer: https://www.geehy.com