1. Lcd programing and pin
configuration
R-tist

3. 1 vcc GND
2 vdd +5 VOLT
3 vo CONTRAST ADJUSTMENT
4 rs H/L RESISTER SELECT
5 r/w H/L READ /WRITE
6 enable +5 VOLT
7 DB0
8 DB1
9 DB2
10 DB3
DATA BUS
11 DB4
12 DB5
13 DB6
14 DB7
15 A/VEE +4.2 V FOR LED
16 K POWER SUPLY FOR BLUE