Gravity: I2C LCD1602 Arduino LCD Display Module (Blue)

The LCD1602 module is part of the DFRobot Gravity IIC series. It's a great upgrade from the classic LCD1602, with a square shape and a row of 2.54 pin headers. You won't need to adjust the contrast, and it keeps the controllable backlight function. It works well with both 3.3V and 5V voltage. The improved function and appearance offer a unique experience. Specification details: Operating Voltage: 3.3V - 5.0V; Operating Current: ≤20mA; Display: 16*2; Communication: IIC/I2C; Backlight: Blue; Operating Temperature: -20 to +70°C; Storage Temperature: -30 to +80°C; Dimension: 87.0*32.0*13.0mm/3.43*1.26*0.51in. There are also product wiki and more documents available.

Using this LCD1602 display module is easy. First, connect it to your Arduino. Make sure the voltage you supply is between 3.3V and 5V. You don't have to worry about adjusting the contrast as it's already optimized. The backlight can be controlled according to your needs. When it comes to temperature, keep it in an environment between -20°C and +70°C during operation. For storage, the temperature should be between -30°C and +80°C. Avoid exposing it to extreme heat or cold. As for maintenance, just keep it clean and dry. If there's any dust, you can gently wipe it with a soft cloth. Refer to the product wiki and other documents for more detailed information if you encounter any issues.