> i started looking for a free programmer to build by myself on the
> net, and got lost in 10 minutes: isp, bootloader, could someone
> please explain me these?
> Isp seems a cool feature, but do i have to "sacrify" pins?
> Then, what is a bootloader?
> I need to find a free programmer that works wit IC-Prog (or whatever)
> and that i can build by myself, with the plus of isp.
>
> What does your experience suggest?

        I use the original David Tait 16C84 serial programmer, modified with an
ICSP adapter, works perfectly. You might consider just purchasing one, they
can be had for quite low prices. TTYL

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