Button Pad 4x4 - Breakout PCB < $50 Black or White

Black or White

or 6500K Lamp Life:60

5000 Kelvin color F32-T8/841 - 2950 lumens per bulb

8 watts per feet for a total of 186

12V 8D 250aH batteries (wired in 24V for 500aH total capacity) on the trailer

Button Pad 4x4 - Breakout PCB < $50 Black or WhiteThis a simple breakout board for the button pads. Each LED and button is brought out to the side connectors. The connectors are soldered to the back side of the PCB. We recommend trimming the connector leads on the button side as short as possible to reduce the deflection of the pad. Now with footprints for diodes! Use the super cheap 1N4148 through hole diodes. These can be used to [isolate the switches](http: www. dribin. org dave keyboard one_html