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RGB LCD Shield (HD44780)
AdafruitArduino
An Adafruit shield for controlling a 16x2 character LCD with RGB backlight using I2C.
In stock
Specifications
5- Operating Voltage
- 5V (VIN) or 3.3V (3V3) depending on the Arduino model.
- Flash
- N/A
- Ram
- N/A
- Dimensions
- N/A
- Connectivity
- I2C, SCL/SDA shared with other pins on Arduino
Pinout
8Low source legibility.The original manufacturer datasheet for this part was difficult to read, so this pinout may be incomplete or imperfect. Always confirm against the specific manufacturer’s datasheet before wiring.
| Pin | Name | Functions | Notes |
|---|---|---|---|
| 5 | SCL | I2C | Clock |
| 3 | SDA | I2C | Data |
| 21 | RST | GPIO | Reset button control |
| 24 | LED_R | PWM | Red backlight control |
| 27 | LED_G | PWM | Green backlight control |
| 31 | LED_B | PWM | Blue backlight control |
| 33 | A4 | GPIO | Analog 4 (shared with I2C) |
| 27 | A5 | GPIO | Analog 5 (shared with I2C) |
Interactive pinout
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