GD32VF103RET6 — GigaDevice RISC-V RV32IMAC MCU, 108MHz, 512KB flash, 64KB SRAM, LQFP64 Category: MCU Pricing LCSC $2.62 Mouser $3.33 DigiKey $3.45 Farnell $3.60 Manufacturer: https://www.gigadevice.com