Adafruit 7-Segment LED Matrix Backpack - STEMMA QT/Qwiic - Adafruit 877

Adafruit Backpack is a module equipped with a driver for 7-segment displays with a diagonal of 0.56 " . The module is based on the HT16K33 driver, thanks to which there is no need to connect a large number of wires. Backpack for communication with the microcontroller uses the I2C interface. The board has two connectors for quick connection. - Qwiic / STEMMA QT . On the bottom of the module you can find jumpers for selecting the I2C address, so you can connect up to eight 7-segment displays. The module is powered with the voltage of 3 V or 5 V. The segment display must be purchased separately . into the plate.

Backpack uses the popular I2C interface for communication. The module is also equipped with 2 Qwiic / STEMMA QT connectors for quick connection with modules equipped with the same connector. The supply voltage is 3 V or 5 V.

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

• Chip: HT16K33
• Supported displays: 7-segment, 4-digit
• 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

• Adafruit Backpack - 7-segment LED display driver module - STEMMA QT / Qwiic - Adafruit 877
• Golpin strip 6-pin 2.54 mm pitch

• The website of the manufacturer: Adafruit 877
• User Guide
• The Fritzing facility
• EagleCAD program files