RGB Backlight Negative LCD 20x4 with Extras - RGB on Black

This is a fancy upgrade to standard 20x4 LCDs, featuring full color RGB characters on a dark/black background. You can change the character display colors to a wide spectrum such as red, green, blue, pink, white, purple, yellow, teal, salmon, and chartreuse, creating a visually striking effect.

The LCD is backwards-compatible with existing projects; if only the red LED is used, it will appear as red-on-black. The extra two pins allow control of green and blue LEDs. Onboard resistors allow for a safe 5V logic drive with approximately 40mA current draw (20mA per LED). The single RGB LED backlight covers the entire display and can be dimmed via a resistor or PWM control.

The product comes with a single 20x4 RGB backlight LCD, a 10K contrast potentiometer, and a strip of header pins.

Features:

• 20 characters wide by 4 rows
• Multi-color text on dark background with full RGB control
• 0.1" pitch single row connection for easy breadboarding and wiring
• Pins documented on back of LCD for easy wiring
• Single RGB LED backlight that can be dimmed
• Requires only 6 digital lines and 3 PWM pins for full control
• Built-in character set supporting English and Japanese text
• Supports creation of up to 8 custom characters
• Includes 10K contrast potentiometer and header strip

For more guidance, view our detailed step-by-step tutorial for Arduino and CircuitPython.

Specifications:

• Display: 20 characters x 4 rows
• Backlight: RGB LED backlight
• Controller: HD44780-compatible
• Connections: 0.1" pitch single row pins
• Current Draw: ~40mA total for LEDs
• Extras: contrast potentiometer and header included

Datasheets available: Display Datasheet and HD44780 Controller Datasheet.