This is great LCD display compatible with arduino. With limited pin resources, your project will quickly run out of resources using normal LCDs. With this I2C interface LCD module, you only need 2 lines (I2C)to display the information. If you already have I2C devices in your project, this LCD module actually cost no more resources at all. The adress can be set 0x27.

Specification
I2C Address:0x27
Back lit (Blue with white char color)
Supply voltage: 5V
Interface: I2C/TWI*1, Gadgeteer interface*2
Adjustable contrast

Connection diagram
602 is equipped with 4 pins in total. SCL should be connected to analog 5, SDA to analog 4, VCC to +5V and GND to ground.