GD32VF103RBT6 — GigaDevice RISC-V RV32IMAC MCU, 108MHz, 128KB flash, 32KB SRAM, LQFP64 Category: MCU Pricing LCSC $1.69 Mouser $2.08 DigiKey $2.11 Farnell $2.31 Manufacturer: https://www.gigadevice.com