GD32VF103R8U6 — GigaDevice RISC-V RV32IMAC MCU, 108MHz, 128KB flash, 32KB SRAM, QFN64 Category: MCU Pricing LCSC $2.04 Mouser $2.59 DigiKey $2.64 Farnell $2.90 Manufacturer: https://www.gigadevice.com