Engine simulator.

Great bench testing rig.
8 injector LEDs
8 Ignition LEDs
6 Output LEDs
Crank and CAM trigger outputs.
30+ common trigger patterns available.
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.
https://github.com/speeduino/Ardu-Stim