LCD 20X4 I2CSee More
Specification:
Display: 4-lines x 20-characters
Backlight: Blue with white character color
LCD controller: HD44780
Pin Definition: VCC, GND,SDL and SCA
Contrast Adjust: Potentiometer
Backlight Adjust: Jumper
Default Address: 0x27 for PCF8574T chip; 0x3F for PCF8574AT chip
Working Voltage: 5V
