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Sipeed Longan Nano ¶

The MCU is a GigaDevice GD32VF103, early on the RISC-V market.

RGB LED: its behavior is surprising: they are bright when the input pin is down, and dark when the input pin is up.

Links ¶

• https://doc.nucleisys.com/nuclei_sdk/design/board/gd32vf103c_longan_nano.html
• https://sigmdel.ca/michel/ha/gd32v/longan_nano_01_en.html

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