Cheap And Discounts LCD1602 16x2 LCD Screen backlight 5V, IIC / I2C interface PCF8574 adapter board for arduino MEGA2560 LCD display module Wholesale. Buy Directly From Merchant A+ EIECHIP Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.