Description
This is a fancy upgrade to standard 20×4 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 20×4 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.
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