I2C 16x2 RGB LCD KeyPad HAT with RGB Backlight V2.0
Raspberry Pi HAT with a 16x2 RGB LCD, integrated keypad, and I2C interface. It exposes Raspberry Pi GPIO ports and provides RGB backlight control for data monitors and small control panels.
Raspberry Pi HAT with a 16x2 RGB LCD, integrated keypad, and I2C interface. It exposes Raspberry Pi GPIO ports and provides RGB backlight control for data monitors and small control panels.
Board supply for the Raspberry Pi I2C 16x2 RGB LCD KeyPad HAT. DFRobot tech specs state supply voltage 5V.
Raspberry Pi IIC/I2C communication interface for the RGB LCD1602 and backlight control. DFRobot states the board uses an IIC interface.
Select push-button input. DFRobot pinout table maps BCM GPIO 16 to Button Select; jumper must be installed for key use.
Up push-button input. DFRobot pinout table maps BCM GPIO 17 to Button Up; jumper must be installed for key use.
Down push-button input. DFRobot pinout table maps BCM GPIO 18 to Button Down; jumper must be installed for key use.
Left push-button input. DFRobot pinout table maps BCM GPIO 19 to Button Left; jumper must be installed for key use.
Right push-button input. DFRobot pinout table maps BCM GPIO 20 to Button Right; jumper must be installed for key use.
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| 5V supply | power | Board supply for the Raspberry Pi I2C 16x2 RGB LCD KeyPad HAT. DFRobot tech specs state supply voltage 5V. | 5V | |
| IIC interface | signal | Raspberry Pi IIC/I2C communication interface for the RGB LCD1602 and backlight control. DFRobot states the board uses an IIC interface. | 3.3V logic | |
| GPIO16 / Select | BCM GPIO16 | signal | Select push-button input. DFRobot pinout table maps BCM GPIO 16 to Button Select; jumper must be installed for key use. | 3.3V logic |
| GPIO17 / Up | BCM GPIO17 | signal | Up push-button input. DFRobot pinout table maps BCM GPIO 17 to Button Up; jumper must be installed for key use. | 3.3V logic |
| GPIO18 / Down | BCM GPIO18 | signal | Down push-button input. DFRobot pinout table maps BCM GPIO 18 to Button Down; jumper must be installed for key use. | 3.3V logic |
| GPIO19 / Left | BCM GPIO19 | signal | Left push-button input. DFRobot pinout table maps BCM GPIO 19 to Button Left; jumper must be installed for key use. | 3.3V logic |
| GPIO20 / Right | BCM GPIO20 | signal | Right push-button input. DFRobot pinout table maps BCM GPIO 20 to Button Right; jumper must be installed for key use. | 3.3V logic |
SPI · I2C · 3.3 V · 3.3 – 5 V · Breakout
Adafruit describes product 398 as a 16x2 RGB backlight LCD using digital pins for LCD control and PWM pins for the backlight; the product…
Module pins: 5V supply, IIC interface, GPIO16 / Select, GPIO17 / Up, GPIO18 / Down, GPIO19 / Left, GPIO20 / Right. Schematik maps them to your board in the app.
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