Datasheet

Now you're ready to wire it up to a microcontroller. We'll
assume you want to use a 4pin header. You can also of
course solder wires directly. Place a 4-pin piece of
header with the LONG pins down into the breadboard.
Place the soldered backpack on top of the header.
© Adafruit Industries https://learn.adafruit.com/adafruit-led-backpack Page 46 of 74