Engine simulator.

Great bench testing rig.
8 injector LEDs
8 Ignition LEDs
6 Output LEDs
Analog Pots : Coolant Temp, Air Temp, MAP, TPS, O2, AUX1 (Oil pressure?), AUX2 (Fuel pressure?)
Analog Pot : RPM speed
2 Input buttons to simulate Launch control etc
Easy Plug in Screw terminals.

Uses a Arduino nano and ardu-stim.