[Blue]

[Green]

Description:

special IIC bus control, only occupies 2 IO
Contrast adjustable, controllable backlight lamp
Using 2004 high-quality LCD screen, blue white, clear display
IIC bus control, occupy only two IO port
The backlight can be controlled, by the jumper control, can also be controlled by a program
Screen display contrast adjustable
5V voltage supply, device address 0x27