To use this T-Motor F7 35A All-in-One Flight Controller and ESC, first make sure to install it properly in your device. Connect all the necessary wires according to the provided diagram. When starting up, ensure the power supply is stable. For maintenance, keep it clean and dry. Avoid exposing it to extreme temperatures or humidity. Check the connections regularly to make sure they are secure. If you encounter any issues, refer to the user manual or contact customer support.