The LCD2004 I2C is a 20-character by 4-line liquid crystal display equipped with a PCF8574 I2C adapter module, requiring only four total pins (VCC, GND, SDA, SCL) for microcontrollers like Arduino. It operates at 5V and typically uses I2C addresses 0x27 or 0x3F.
Specifications and Features
- Display Size: 20 columns by 4 rows (80 characters total)
- Operating Voltage: 5V DC
- Default I2C Addresses:
0x27or0x3F(dependent on the PCF8574 chip variant)
- On-board Adjustments: Blue/yellow-green backlight jumper and contrast adjustment potentiometer
