APM32F407VGT6R — Geehy ARM Cortex-M4F MCU, 168MHz, 1MB flash, 192KB SRAM, LQFP100, tape & reel, 2500 pcs Category: MCU Pricing LCSC $3.35 Mouser $4.53 DigiKey $4.46 Farnell $4.81 Manufacturer: https://www.geehy.com