Incoming Messages

Sender	Action	What to do
	Enable/Disable the relays	enable/disable the relays
	Get relay status?	check the relay status and return them.
Center Console	Power ON:	check for battery status: over/under voltage, over/under temperature relay states: they MUST be open respond with OK if ok, respond with some error code if something's wrong.

Outgoing Messages

To	Action
Center Console	Tell it that you're online.