Lcd ic2 arduino

Features for 1602 LCD: LCD display module with blue blacklight. Wide viewing angle and high contrast. Built-in industry standard HD44780 equivalent LCD controller. Commonly used in: copiers, fax machines, laser printers, industrial test equipment, networking equipment such as routers and storage devices. LCM type: Characters Can display 2-lines X 16-characters. Voltage: 5V DC. Module dimension: 80mm x 35mm x 11mm. Viewing area size: 64.5mm x 16mm Features IIC/I2C : Arduino 1602 I2C interface 4-wire 1602 screen IO port of Arduino control board is only 20,so IO ports is not enough for many sensor, SD card, relay mod