Using this red 8-digit digital LED segment display module is easy. First, connect it to a power source with a DC voltage of 5V. Make sure the operating current doesn't exceed 130mA. You can adjust the brightness of the display in 16 levels according to your needs. Use the IIC communication to send data to the module and display the information. When using it, keep in mind the operating temperature range from -40 ºC to +85 ºC. Don't expose it to temperatures outside this range for a long time. For storage, keep it in an environment where the temperature is between -55 ºC and +125 ºC. To maintain it, keep it clean and avoid physical damage. Refer to the product wiki if you encounter any problems.