GD32E503VET6 — GigaDevice ARM Cortex-M33 MCU, 180MHz, 512KB flash, 128KB SRAM, LQFP100 Category: MCU Pricing LCSC $3.08 Mouser $3.57 DigiKey $3.81 Farnell $4.41 Manufacturer: https://www.gigadevice.com