Forget about all those sharp corners, the quantity of fuel aboard and the fire extinguisher you threw in the baggage compartment without tying it down. It is always important to at least consider the fact that the most dangerous thing to have in the cockpit when things go wrong is the owner of the airplane.
So far in Jim Weirs investigation of digital logic, hes explored small scale integration. This time, its time to ramp it up a bit and use some medium scale integration devices that will remember your settings.