The one thing to keep in mind when creating multiple LED "pixels", is heat dissipation from the LEDs. Normally I create boards that will have vias on the thermal pad going to the other side of the board where I can then vent the heat, or use a fan.
The one thing to keep in mind when creating multiple LED "pixels", is heat dissipation from the LEDs. Normally I create boards that will have vias on the thermal pad going to the other side of the board where I can then vent the heat, or use a fan.