Yellow Green 16×2 LCD Display Module HD44780
Yellow green 16×2 LCD module featuring 2 rows consisting each of 16 characters. The module is compatible with the Hitachi HD44780 controller, and is commonly used in Arduino and other microcontroller projects.
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| Pin No. | Symbol | High/Low Level | Description |
|---|---|---|---|
| 1 | Vss | 0V | 0V Ground |
| 2 | Vdd | 5V | 5V Supply Voltage for logic (option +3V) |
| 3 | Vo | Variable | Operating voltage for LCD |
| 4 | RS | H/L | 4 RS H/L H:DATA L:Instruction code |
| 5 | R/W | H/L H | H:Read L:Write (MPU Module) |
| 6 | E | H H->L | Chip enable signal |
| 7 | DB/0 | H/L | Data bit 0 |
| 8 | DB/1 | H/L | Data bit 1 |
| 9 | DB/2 | H/L | Data bit 2 |
| 10 | DB/3 | H/L | Data bit 3 |
| 11 | DB/4 | H/L | Data bit 4 |
| 12 | DB/5 | H/L | Data bit 5 |
| 13 | DB/6 | H/L | Data bit 6 |
| 14 | DB/7 | H/L | Data bit 7 |
| 15 | A / Vee | Power supply for LED backlight ( + ) / Negative voltage output | |
| 16 | K | Power supply for LED backlight (GND ) |
