Specifications
Module Size: 80.0 X 36.0 X 13.5
Viewing Area: 64.5 X 14.5
Character Size: 2.95 X 4.35
1 foot: VSS ground power
2 foot: VDD of 5V positive power
3 foot:
V0 is the LCD display contrast adjustment terminal connected to the positive power supply contrast weakest grounded power, highest contrast, the contrast is too high will produce "ghosting", can be used by a 10K potentiometer to adjust the contrast
4 foot:
RS register select data register high, low, select the instruction register.
5 foot:
R / W for read and write signal line, high read operation is low when a write operation. When the RS and RW can write low instruction or display address when RS is high when the low RW can read busy signal when RS is high RW can write low data.
6 foot:
E end is to enable end when E Duanyou high jump becomes low, the LCD module execute the command.
7 to 14 foot: D0 ~ D7 8-bit bi-directional data line.
15 foot: backlight power supply positive
16 foot: backlit negative supply