Arduino-Powered APU Control System

I need to run an APU and would like to use arduino. I'm looking for someone that could code arduino and provide wiring schematic. I saw a 5" display on ebay that runs on Arduino and displays the gauges . I would like to monitor RPM and EGT. RPM to maintain is 100%. If EGT maxes out then the same should happen shut of fuel solenoid. I would like to add Pressure sensor reading at the compressor inlet and would like to put one at the exhaust side to with reading displayed on a gauge . I need a digital reading of the outlet pressure /inlet pressure = EPR ( engine pressure ratio) . I would need a pilot light to indicate that there is oil pressure . Starter would be manual be turned on by a toggle switch along with Ignition and fuel boost pump. The fuel solenoid should open when PRM reached 20% of rated speed. we could add electronic high pressure pump later . I appreciate it if the control with the arduino is wired up and a remote box that has 1. hp pressure fuel pump controled by a rheostat 1-100% on a small digital ( 1/2" display)
2.the main power on for a 24V system
3 Starter on
4. Igniter on
5. fuel boost pump on .
All 5 switches are toggle switches and would have an 8 ft wire from the 5" display .
The 5" display would be mounted on the frame of the engine stand.
Also I would like to get the right for coding and don't want the program lock for me to tweak. I would need the program code !
I will give more details for the programmer .