Product parameters: ?Size : 41.5 "19" 15.3 mm (length * width * height). ?Weight: 5G. ?Printed circuit board color: black. ?Power supply voltage: 2.5-6V. ?I2C protocol is supported. ?With backlight power control, it can be set as backlight power supply through jumper connection. Insert the jumper to turn off the backlight and unplug the jumper to disconnect the backlight power. ?The contrast can be adjusted by rotating the blue potentiometer clockwise to increase it and decrease it counterclockwise. The front potentiometer is designed, and the customer can adjust it freely at any time. ?Modules can be cascaded, up to eight. Modify the device address by shorting the A0/A1/A2. The default address is 0x27. The package includes: 1602 LCD monitor IIC I2C adapter IIC serial interface adapter*3

Eight modules can be cascaded, up to eight. Modify the device address by shorting the A0/A1/A2. The default address is 0 x27. Size: 41.5 "19" 15.3 mm (length * width * height). This small I2C interface module works well and requires only two signal connections, each of which requires a power supply and a ground wire. ?Power supply voltage: 2.5-6V. IIC I2C serial interface module.