LCD 20×4 Display | Large Character LCD Module for Arduino & Raspberry Pi
The LCD 20×4 Display is a standard 20×4 character LCD with HD44780 controller. It provides four lines of 20 characters for complex data display, multi-parameter monitoring, and advanced user interfaces.
Key Features
- 20 characters x 4 lines
- HD44780 controller
- 5×8 dot matrix characters
- Parallel interface
- LED backlight
- Adjustable contrast
Technical Specifications
| Parameter |
Specification |
| Format |
20×4 characters |
| Controller |
HD44780 |
| Interface |
Parallel (4/8-bit) |
| Voltage |
5V |
| Backlight |
LED |
| Dimensions |
98mm x 60mm |
Applications
- Complex data display
- Multi-parameter monitoring
- User interfaces
- Industrial displays
- Data logging readouts
Important Notes
- Same library as 16×2 – use lcd.begin(20,4)
- I2C backpack recommended to save pins
- Contrast potentiometer required
- Large size – verify enclosure dimensions
