I wrote:

> A 2.5-volt drop across the LED is enough to light it, so you can
> just put the bicolor LED between the PIC and the voltage divider.

and Tjaart van der Walt <tjaart@wasp.co.za> replied:

> The bicolour (bicolor in America) LED drops about 2.2 volt, so with
> the output at Vdd - 0.7 volt (as per specs), you'll find the one LED
> quite faint. When driving both by toggling them, you'll find a quite
> unsatisfactory result. (I discovered this the hard way)
>
> I'm not sure why the bicolours need more juice, but they do.

    Thanks for the info, Tjaart.

    I've used a 2.5-volt divider with discrete LEDs, but never with
    one of the two-lead bicolor LEDs... I didn't realize that they
    required higher voltages.

    -Andy

=== Andrew Warren - fastfwd@ix.netcom.com
=== Fast Forward Engineering - Vista, California
===
=== Custodian of the PICLIST Fund -- For more info, see:
=== http://www.geocities.com/SiliconValley/2499/fund.html