Other ideas worth considering


Be friendly to your software mate (who might be yourself :)

Add I/O channels if possible
Provide means for logging
Add test-points whenever possible
Remember debugging (jtag and/or something creative)
If it fits, add new components to test
you might save the cost of an evaluation board later on

Surprise your client, by guessing their next moves

They didn't ask for storage, but you know better
Won't they need a thermometer sooner or later?
Doesn't the application benefit from a light sensor?
And why not, always offer a UEXT expansion