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Simulation

1. Now run the simulation by clicking on the 'Run' button.
2. Close the 'Simulation debugger' window.
3. Move the cursor over switch A0 and hold the switch closed (on). The left indicator, LED B0, flashes on and off until you release the switch.
4. Close the other switch and the right indicators flashes.

The important thing is that the same PICmicro chip could be carrying out other functions in the car as well. We used only two of the inputs, and two outputs. The program could go on and control other devices in the car using the remaining inputs and outputs.