NeoTrellis RGB Driver PCB for 4x4 Keypad
4x4 keypad driver PCB with per-key full-color NeoPixel RGB LEDs, compatible with Adafruit's standard elastomer button pads. Multiple tiles can be tiled and connected over I2C.
4x4 keypad driver PCB with per-key full-color NeoPixel RGB LEDs, compatible with Adafruit's standard elastomer button pads. Multiple tiles can be tiled and connected over I2C.
Power input for the NeoTrellis board, shown in the Adafruit NeoTrellis guide wiring table as VIN.
Ground reference for the NeoTrellis board, shown in the Adafruit guide wiring table as GND.
I2C data connection. The Adafruit guide maps SDA to I2C data.
I2C clock connection. The Adafruit guide maps SCL to I2C clock.
Optional interrupt output. The Adafruit guide says INT can connect to a digital pin on the host microcontroller.
I2C address solder jumper. The guide says address jumpers hard-code unique addresses for tiled boards.
I2C address solder jumper. The guide says address jumpers hard-code unique addresses for tiled boards.
I2C address solder jumper. The guide says address jumpers hard-code unique addresses for tiled boards.
I2C address solder jumper. The guide says address jumpers hard-code unique addresses for tiled boards.
I2C address solder jumper. The guide says five address pins can change the seesaw I2C address.
| Pin | Type | Function |
|---|---|---|
| VIN | Power | Power input for the NeoTrellis board, shown in the Adafruit NeoTrellis guide wiring table as VIN. |
| GND | Ground | Ground reference for the NeoTrellis board, shown in the Adafruit guide wiring table as GND. |
| SDA | I2C | I2C data connection. The Adafruit guide maps SDA to I2C data. |
| SCL | I2C | I2C clock connection. The Adafruit guide maps SCL to I2C clock. |
| INT | Signal | Optional interrupt output. The Adafruit guide says INT can connect to a digital pin on the host microcontroller. |
| A0 | Analog | I2C address solder jumper. The guide says address jumpers hard-code unique addresses for tiled boards. |
| A1 | Analog | I2C address solder jumper. The guide says address jumpers hard-code unique addresses for tiled boards. |
| A2 | Analog | I2C address solder jumper. The guide says address jumpers hard-code unique addresses for tiled boards. |
| A3 | Analog | I2C address solder jumper. The guide says address jumpers hard-code unique addresses for tiled boards. |
| A4 | Analog | I2C address solder jumper. The guide says five address pins can change the seesaw I2C address. |
Power input for the NeoTrellis board, shown in the Adafruit NeoTrellis guide wiring table as VIN.
Ground reference for the NeoTrellis board, shown in the Adafruit guide wiring table as GND.
I2C data connection. The Adafruit guide maps SDA to I2C data.
I2C clock connection. The Adafruit guide maps SCL to I2C clock.
Optional interrupt output. The Adafruit guide says INT can connect to a digital pin on the host microcontroller.
I2C address solder jumper. The guide says address jumpers hard-code unique addresses for tiled boards.
I2C address solder jumper. The guide says address jumpers hard-code unique addresses for tiled boards.
I2C address solder jumper. The guide says address jumpers hard-code unique addresses for tiled boards.
I2C address solder jumper. The guide says address jumpers hard-code unique addresses for tiled boards.
I2C address solder jumper. The guide says five address pins can change the seesaw I2C address.
I2C · Analog · USB · 3.3 – 5 V · Breakout
Confirm the data interface matches your host board.
Module pins: VIN, GND, SDA, SCL, INT. Schematik maps them to your board in the app.
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