| LCD PINS | ATMEGA32 | PIN_Description |
|---|---|---|
| VSS | GND | Ground |
| VDD | 5V | Supply voltage |
| VO | Potentiometer | Adjust contrast |
| RS | PORTA 0 | Instruction/Data Selectection |
| RW | PORTA 1 | Read/Write selectection |
| E | PORTA 2 | Enable PIN |
| D0 | PORTD 0 | Data PIN |
| D1 | PORTD 1 | Data PIN |
| D2 | PORTD 2 | Data PIN |
| D3 | PORTD 3 | Data PIN |
| D4 | PORTD 4 | Data PIN |
| D5 | PORTD 5 | Data PIN |
| D6 | PORTD 6 | Data PIN |
| D7 | PORTD 7 | Data PIN |
| A | 5V | Backlight (+Ve) |
| K | GND | Backlight (-Ve) |
You can adjust Control port and Data Port in LCD.h