Controlling 8 led strips

I'm trying to scale up this project ( to instead control 8 5m led strips. Using a 24 channel PWM signal breakout board. These are the strips ( which will use 1.2A per 5m roll. I plan on having 8 5m rolls in parallel, so what is the best option for powering these strips? Is this schematic attached the right way to wire this circuit? The battery is meant to represent a 12v source, the resistors are meant to be 1k Ohm.

Fritzing file (

which will use 1.2A per 5m roll

What makes you say that? They will consume more than that. They supply a 6A power supply which is more like it.

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