Tutorial – Matrix and 7-Segment LED Backpack with the Raspberry Pi. While we already have a great tutorial and Arduino library for our handy and easy to use LED backpacks, if you’re wondering how you can make use of backpack-enabled LED displays on the Pi, this guide will help you get started!
The LED backpack displays are wonderfully easy to connect to the Pi. Both the 8×8 pixel and 4-character 7-segment displays are connected the same way, with two digital pins for I2C (SDA and SCL) and two power pins (VCC and GND), as follows:
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