Description: The IIC 2004 LCD display module is a 4 line 20 character LCD module not only set the contrast control knob selector switch also has a backlight and IIC communication interface. For beginners, not for the cumbersome and complex LCD driver circuit connection and a headache, the real significance of this LCD module will simplify the circuit, this module directly into the Sensor Shield V5.0 sensor expansion board IIC device interface can, GM 4P sensor connection cable, programmed through the controller, you can easily identify the slogan, sensor data records. Specification: Display: yellow green Supply voltage: 5V Interface: I2C I2C address: 0x27 or 0x3F random delivery Pin definition: GND, VCC, SDA, SCL Contrast adjust: potentiometer Display format: 20 Characters x 4 lines Adjustable backlight The module can be easily interfaced with a MCU Fully assembled and tested serial LCD 20 x 4 module The module is a low-power consumption character LCD module with a built-in controller It is fantastic for based project Size: 9.8 x 6 x 1.2mm Package included: 5 x 2004 LCD display module