Description
This is a 16×2 Character LCD 1602A
Display
Pin configuration:
| PIN NO. | SYMBOL | DESCRIPTION | FUNCTION |
| 1 | VSS | To power | 0V (GND) |
| 2 | VDD | Power Supply For Logic Circuit | +3.3V |
| 3 | V0 | LCD Contrast Adjustment | Recommends 10K Potentiometer between V0 and GND |
| 4 | RS | Instruction/Data Register Selection | RS = 0 : Instruction Register RS = 1 : Data Register |
| 5 | R/W | Read/Write Selection | R/W = 0 : Register Write R/W = 1 : Register Read |
| 6 | E | Enable Signal | Active when High-level turns to Low-level |
| 7 | D0 | Data Input/Output Lines | 8 BIT: D0-D7 |
| 8 | D1 | ||
| 9 | D2 | ||
| 10 | D3 | ||
| 11 | D4 | ||
| 12 | D5 | ||
| 13 | D6 | ||
| 14 | D7 | ||
| 15 | LED+ | Supply Voltage For LED+ | +3.3V |
| 16 | LED- | Supply Voltage For LED- | 0V (GND) |
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