>> Any linear regulation is just as inefficient.
>> For double bonus points, use the PIC as it's own switching regulator,
>> controlling a pass transistor in a buck configuration.
>>
>> (Also a great excersize as to why emulators often suck!)
>
>Good point ! But, from the previous postings, I would way that my posting
>did not make it ! I had suggested a switching regulator to drive the 2
>LEDs with RA4, using the + unreg rail as common rail for the switching
>regulator ! Almost all follow-ups suggest the same ideas, but no-one
>refers to my posting ?! Maybe it did not make it ?
>
>Peter

It made it here, and yes, that woks.  The thing to note is that any time you
are limiting current with a resistor, you are wasting power.  In low power
apps, you learn to think in terms of Joules, rather than amps or volts.