LED Board project part 2

I have been tasked with trying to build some sort of LED lighting system, using LEDs in series. See previous post

Early attempts didn't work out very well so I have taken an existing board with the power connector, and then soldered 5 leds to another board along with appropriate headers.

So each subsequent board can now consist of 5 LEDs of the same colour (and therefore voltage and current requirements) and 2x headers, to allow connection to other boards.

So far this sort of works, I think the issue I have at the moment is my 9v battery is low at 6v, but a fresh battery should make a difference.

ledboard1

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