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Make sure you are connecting to the 5V and GND pins and NOT the 12V pin.

Finally, cover the splice with heat shrink or electrical tape, and voila! This is a nice, sturdy interface between the panel and a solid power supply.

When connecting into the ribbon cable connector, pay attention to the notch that signifies polarity.

When looking at the cable with the notch facing up, R0 (pin 1) should be at the top left.

Then we’ll work up a demo sketch and control them with Arduino.


You can grab both from their Git Hub repositories (see our Using Git Hub tutorial for help downloading). ) We wanted to write another fun sketch that provided an interactive way to explore with the panels and the Arduino library.

Combine: To begin, we snipped the spade connectors off of the panel power supply cable. Then we spliced the Molex pigtail to the LED panel’s power cable by connecting the red wires together.

Do the same for the black wires (make sure you use the black wire next to the red on the Molex pigtail).

Or you can make a more permanent solution with a panel mount connector.

Before we can get into the code portion, there’s quite a bit of wiring to do.

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