Portable Raspberry Pi with Adafruit LCD + keypad kit

i wanted to make this box to run FPP for my lighting display and for a rugged portable unit we could use while camping.

the box takes 12v in i have set it up so i could use a drill battery to power the box the screen takes 12v and to get the 5v i need to the PI i used a LM2596

MY PARTS LIST:
Raspberry Pi 3 - choose your source (Amazon, Frys, Adafruit…)


Pelican 1150 Case - https://www.amazon.com/gp/product/B00013J89K/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1

display is a De