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

Index: ADA-21088
Adafruit Backpack is a module equipped with a 7-segment display driver 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 quick-connect connectors. - Qwiic / STEMMA QT There are jumpers for I2C address selection on the bottom of the module, so you can connect up to eight 7-segment displays together.
Adafruit 7-Segment LED Matrix Backpack - STEMMA QT/Qwiic - Adafruit 877
€10.50
€8.54 tax excl.
Unavailable
Discontinued product
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Manufacturer: Adafruit
Compatibility: Arduino Raspberry Pi

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The product has been discontinued. Check other products in category.

Product description: Adafruit Backpack - 7-segment LED display driver module - 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.

The product is compatible with Arduino and Raspberry Pi
The manufacturer has prepared a user guide that presents connection diagrams and code examples in Arduino and CircuitPython.

Adafruit Backpack tile for segment display Backpack board with HT16K33 LED driver for segment display.

Pins of the 7-segment display module

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

Backpack segment display driver module specification

  • 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

Kit contents

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

Package width 7.5 cm
Package height 11 cm
Package depth 0.5 cm
Package weight 0.008 kg

CYprian Grochocki

05/16/22

Question: ADA-21088 What displays fit on this board? With a common cathode or anode?
Answer: The board works with displays with a common cathode.

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