alphanumeric LCD module 20*4

Feature:
1. 4-line x20 characters display; 5x8 dots with cursor;
2. Built-in controller （SPLC780D or equivalent);
3. +5V power supply(Also available for +3.3V);
4. 1/16 duty cycle;1/5bias;
5. STN or FSTN mode;
6. BKL to be driven by pin15, pin16.

LCM2004A Specification:
Out Dimension: 77.0*47.0
Viewing Area: 60.0*22.0
Dots Size: 0.42*0.46
Character Size: 2.30*4.03

LCM2004B Specification:
Out Dimension: 98.0*60.0
Viewing Area: 76.0*25.2
Dots Size: 0.55*0.55
Character Size: 2.95*4.75

LCM2004E2 Specification:
Out Dimension: 146.0*63.0
Viewing Area: 123.0*42.5
Dots Size: 0.92*1.06
Character Size: 4.84*9.22