The 20×4 I2C LCD combines the large 2004 character display (4 lines of 20 characters) with a soldered PCF8574 I2C backpack, so it connects to your Arduino with only 2 data wires instead of many. Perfect for menus and data-heavy projects.
Key Features
- 20 characters × 4 lines
- I2C backpack — only 2 wires (SDA/SCL)
- Uses LiquidCrystal_I2C library
- Adjustable contrast trimmer
- 5V, address 0x27 / 0x3F
Specifications
| Characters | 20 × 4 |
| Interface | I2C (PCF8574) |
| Address | 0x27 / 0x3F |
| Voltage | 5V |
Popular Project Ideas
- Multi-line menus & dashboards
- Data-logger display
- Weather-station readout
- Pin-saving text display
Order online anywhere in Pakistan or visit Arduino Corner at Shaheen Market, DAV College Road, Rawalpindi. We ship to Islamabad, Lahore, Karachi, Peshawar and every city with cash on delivery and fast dispatch — the trusted choice for students, hobbyists and FYP builders.
