The new control board is Arduino based and socketed so it’s easy to replace in the future. The Arduino uses Pulse Width Modulation to control the brightness of the panels and this then controls a mosfet to switch the 12v for each one. The board has the option to show what panel should be on with LED so you can diagnose any issues you might have with data connections or panel order. Both the power and panels use screw terminals, so you can easily cut the wires to length once everything is in place.
The control board comes with 4 feet so you can mount this to any spot in the cabinet as long as the provides wires are long enough. Once you have set the brightness there is no reason to need access to it again.
We can now connect the 12v and the data cable to the control board and start to look at the panels.