Power Balancing + Power Injection - Double Check

Gooliez

Apprentice elf
Joined
Dec 31, 2025
Messages
51
Location
Spreyton, Tasmania
Hi Guys, Me again.

I'm building a matrix with 1440 pixels. Split in 2 ( 720 per port)

I've connected up 1 part to test how the brightness level @30% sits and clearly there is drop off (12v Pixels)

With Zig Zag configuration it loops back to the same side, so was looking at Power balancing, Which all I do is cut the Data on one side of the inputs. But I'm thinking to put less stress on the PSU, i'll power inject at the 400 pixel mark.

If i run the Positive from the second power supply say 25% each direction from the middle, it should give power to a total of 50% of the pixels,
Negative Runs the full lot.

can you check my Awesome graphic skills and see if what i'm thinking of doing is correct?
 

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