PCF8574 IIC LCD1602 Adapter Plate Adapter Module

Function features
1.On-board PCF8574 I2C bus 8 IO extended chips

2.On-board 10 k potentiometer is used to adjust the LCD backlight brightness

3.On-board IIC interface to external devices through the IIC protocol control LCD1602 LCD

4.Power supply voltage: 2.5-6V

5.the board size: 41.2 (mm) x15 (mm)