0.56" 4-Digit 7-Segment Display Backpack module - Blue I2C - STEMMA QT/Qwiic - Adafruit 881

Adafruit Backpack module with a 7-segment display consisting of 4 digits with dots. The total diagonal of the display is 0.56 " , the module digits have blue backlight with the possibility of dimming with a resolution of 1/16 step. Thanks to the built-in matrix controller of the MAX7219 type, there is no need to connect a large number of wires, the whole is controlled via the I2C interface. The module is additionally equipped with with two quick connect connectors - Qwiic / STEMMA QT . On the board you can also find jumpers for selecting the I2C address, so you can connect up to eight 7-segment display modules. into the plate.

The module communicates with the main board via the I2C interface, on the board you can also find 2 Qwiic / STEMMA QT connectors for quick connection with modules with the same connector. The supply voltage is 3 V or 5 V.

• VCC - supply voltage 3 V / 5 V
• GND - the ground of the system
• SDA - data line of the I2C interface
• SCL - clock line of the I2C interface

• Chip: HT16K33
• Number of digits: 4
• Number of segments: 7
• Backlight color: blue
• Interface: I2C
• Backlight brightness adjustment: 1/16 steps
• Two Qwiic / STEMMA QT connectors
• I2C address: from 0x70 to 0x77 - selected with jumpers
• Requires self-soldering
• Backpack tile dimensions: 50 x 26.7 x 6 mm
• Backpack plate weight: 5.6 g
• Display dimensions: 19 x 50 x 14 mm
• Display weight: 8.4 g

• Backpack tile
• Display 7-segment, 4-digit, 0.56 "
• Golpin strip 6-pin 2.54 mm pitch

• Manufacturer's website: Adafruit 881
• User Guide
• The Fritzing facility
• EagleCAD program files