APM32F407VET6R — Geehy ARM Cortex-M4F MCU, 168MHz, 512KB flash, 192KB SRAM, LQFP100, tape & reel, 2500 pcs Category: MCU Pricing LCSC $3.30 Mouser $3.85 DigiKey $4.13 Farnell $4.70 Manufacturer: https://www.geehy.com