> If you want a smaller package and don't mind doing a bit of
> messing around, the 8-pin 12f675 is also nice.  But its a bit
> more software

By using a timer interrupt the hardware can be minimised, for
example if the three LEDs have a common resistor and the
three switches do too. So possibly 2 resistors only, assuming
the internal pull-ups are made use of and the 4th switch is a
SPDT that doesn't leave its input floating. Possibly a SPST +
resistor is cheaper than a SPDT

Not especially difficult but for a one-off pretty much a self-
satisfying programming exercise that might or might not be
worth the time involved

Joe
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