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

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