LCD1602 IIC/I2C Blue Backlight

Easy to use. Less I/O ports are occupied, only four - VCC, GND, SDA (serial data line), SCL (serial clock line). Support IIC protocol. The I2C LCD1602 library is provided, so you can call it directly. With a potentiometer used to adjust backlight and contrast.Power supply: +5V Address of the module: ox27. Specification: Display: 4 lines x 20 characters Backlight: Blue with white character color Pin Definition: VCC/ GND/SDL and SCA Contrast Adjust: Potentiometer Backlight Adjust: Jumper Default Address: 0x27, 0x3F Working Voltage: 5V