Product Description

• Serial I2C LCD display adapter converts parallel based character LCD display into a serial i2C LCD that can be controlled through just 2 wires. Adapter uses PCF8574 chip that serves as I/O expander that communicates with Arduino or any other microcontroller by using I2C protocol.
• A total of 8 LCD displays can be connected to the same two wire I2C bus with each board having a different address.
• The default i2C address is 0X27 and may be changed to any of the following 0X20~0X27 via soldering A0 A1 A2 pins.

Features

• Up to 8 LCD displays with adapters can be connected and controlled by the same two wire I2C bus
  
• Easy to control using Arduino board 
• Adapter includes 16-PIN male header connector for soldering to LCD display
  
• Contrast is adjusted via onboard potentiometer
  
• Backlight may be turned on/off via jumper
  
• Standard 5V voltage supply