Adafruit 1.2" 8x8 LED Matrix Backpack

Name: Adafruit 1.2" 8x8 LED Matrix Backpack
Brand: Adafruit
SKU: 1048

HT16K33 I2C LED driver backpack for 1.2" 8x8 LED matrices, sold without the LED matrix itself. Default I2C address 0x70, configurable via solder jumpers. Controlled via Adafruit's HT16K33 library.

Logical pinout · physical placement not verified

One grouped source record is expanded into separate logical pads where unambiguous; physical placement is not implied.

VINVCC
Type · PowerVoltage · 3-5V
GND
Type · GroundVoltage · 0V
SCL
Type · I2CVoltage · 3-5V logic
SDA
Type · I2CVoltage · 3-5V logic
A0A1A2
Type · Analog

Pin	Type	Voltage
VINVCC	Power	3-5V
GND	Ground	0V
SCL	I2C	3-5V logic
SDA	I2C	3-5V logic
A0A1A2	Analog

Logical pinout · physical placement not verified

One grouped source record is expanded into separate logical pads where unambiguous; physical placement is not implied.

Pin details

5 connections

VINVCC
PowerVoltage · 3-5V
GND
GroundVoltage · 0V
SCL
I2CVoltage · 3-5V logic
SDA
I2CVoltage · 3-5V logic
A0A1A2
Analog

Start wiring

I2C · SPI · Single data line · 5 V · 3.3 – 5 V · Bare

Confirm the data interface matches your host board.

Module pins: VIN/VCC, GND, SCL, SDA. Schematik maps them to your board in the app.

LED displays

88 other options

Adafruit HT16K33 backpacks, MAX7219 daisy-chains, NeoPixel and DotStar grids, HUB75 RGB matrix panels, charlieplexed arrays, bare clock displays, and two VFD character modules — almost 90 parts, none wired the same way.

View all 88

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