1. Download for ardui's IDE: Download address: http://.Cc/en/Main/Software (copy open).
2. Download USB chip driver: Download address: http://www.wch-ic.com/download/list.asp? Id=126.
3. Plug in the NANO development board, the driver will automatically install.
4. Select board NANO in die.
5. Select COM port, this can be found in my computer, just your uno development board port.
Please allow 1-3mm differs due to manual measurement.
Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding.