GD32F103Z8T6 — GigaDevice ARM Cortex-M3 MCU, 72MHz, 64KB flash, 20KB SRAM, LQFP144 Category: MCU Pricing LCSC $1.63 Mouser $2.20 DigiKey $2.29 Farnell $2.33 Manufacturer: https://www.gigadevice.com