This is a mini 1602 / 2004 character LCD adapter board with I2C interface. Small size, light weight, and it can make the Arduino or other microcontroller to control the 16-pin 1602/2004 LCD through I2C interface. With Arduino library, it is very easy to use.
Great for DIY.
I2C Address: 0x20 or 0x38
Contrast Adjust : Potentiometer
Operating voltage: 4.5 5.3VDC
Interface level: 5V TTL
Arduino Library: LiquidCrystal_I2C
Support LCD: 1602 or 2004 character LCD