Sipeed Longan Nano is a development board based on GD32VF103CBT6 MCU with RISC-V 32-bit core of GigaDevice. It is convenient for students, engineers and geek enthusiasts to contact the new-generation RISC-V processor. Longan Nano sold by Seeed comes with a 0.96inch 160×80 IPS RGB LCD and an acrylic transparent case.
article: http://www.electronics-lab.com/sipeed-longan-nano-risc-v-gd32vf103cbt6-development-board/