APM32F103RCT6 — Geehy ARM Cortex-M3 MCU, 72MHz, 256KB flash, 48KB SRAM, LQFP64 Category: MCU Pricing LCSC $1.45 Mouser $1.84 DigiKey $2.00 Farnell $2.11 Manufacturer: https://www.geehy.com