APM32F103ZET6R — Geehy ARM Cortex-M3 MCU, 72MHz, 512KB flash, 64KB SRAM, LQFP144, tape & reel, 2500 pcs Category: MCU Pricing LCSC $2.72 Mouser $3.28 DigiKey $3.40 Farnell $3.76 Manufacturer: https://www.geehy.com