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> 16X2 characters yellow lcd module ( 1602 ) HD44780 X5
16X2 characters yellow lcd module ( 1602 ) HD44780 X5
16x2 LCD Module Characters with yellow Backlight HD44780 x 5pcs 16 Characters X 2 Lines
Pin3 : Contrast for Display - Using 10k resistor mostly
Pin4 : RS (Register )- For high power to select the Data Register , low power to select Instruction Register .
Pin 5 : RW(Read and Write ) - high power for Read , low power for Write .
If RS and RW are low power , it will read a data to show on the screen address.
If RS is low and RW is high, it will read a data and busy signal.
If RS is High and RW is Low, It can write a data
Pin 6 : E (active port) , from High to low will action a Instruction
Pin 7~14 : D0 ~ D7 are data port .
For Microchip : RB0 ~ RB7 = D0 ~ D7
For 89S51 MCU : P1.0 ~ P1.7 = D0 ~ D7
For AVR : PA0 ~ PA7 = D0 ~ D7 )
Pin 15~16 : Backlight + and - (AK)
The LCD is includes a 160 words in CGROM which are number , symbols ,English words and Japanese.
