Quad Alphanumeric Display - Red 0.54" Digits w/ I2C Backpack [STEMMA QT / Qwiic]

Name: Quad Alphanumeric Display - Red 0.54" Digits w/ I2C Backpack [STEMMA QT / Qwiic]
Brand: Adafruit
SKU: 1911

STEP STL

4-character 14-segment alphanumeric LED display, red, 0.54" digit height, driven by an HT16K33 I2C backpack with STEMMA QT/Qwiic connectors. Displays full uppercase alphabet and digits.

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
VHi
Type · PowerVoltage · 5V
A0A1A2
Type · Analog

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

6 connections

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

Start wiring

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

TFT & LCD

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Pinout