This module is a great I2C interface for 16×2, 16×4 and 20×4 LCD character displays. Only 4 wires required to drive the display, VCC, GND, SDA and SCL Signals. This interface is compatible with all 3.3V and 5V LCD displays.

Features :

• Supply and Signal: 5V / 3.3V Ready
• Compatible with 16×2, 16×4 and 20×4 Character LCD’s
• Dimensions: 29.3 x 22mm
• Net Weight: 4g

Resources :

• PCF8574 Datasheet

Package Include :

• 1 x LCD I2C Interface, Dual Inline Connector