Hello Olin,

> You can get "L" version PICs that run on a supply from 2V to 5.5V.  You
> don't need a regulator as long as you can guarantee your battery can't
> exceed 5.5V and 2V is essentially dead.  3x AAA cells, for example.

    mmm, I'm seeing at the 16F628 (the PIC I pretend to use) that it can
work @0-10MHz from 3V to 5.5V maybe I could make it with 3xAA cells and
without a regulator. I will use two or three infrared LEDs and maybe they
can't work bellow 3V.

    Another thing is that I'm hopping to put some learning capabilities on
it and all the more common IR receiver modules (that 3 pin thing that
resembles a transistor) seens to work from 3 to 5V IIRC.

    Thank you, I think I'll let that 78L05 go.

    Best regards,

    Brusque

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Edson Brusque                 C.I.Tronics Lighting Designers Ltda
Research and Development               Blumenau  -  SC  -  Brazil
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