I guess EasyProg is also not so diffucult to build after all and I
think EasyProg
does have its advantages compared to Wisp628. I do agree with you that
self-powered Vdd is useful (vdd-target) and this is the trouble of using Wisp628
to program non-blank PICs with internal RC OSC and internal MCLR yet
requiring Vpp-before-Vdd (like 12F629/675). I still do not like his idea of
using the dongle to short some power supply. Variable Vdd can be useful
as well later for 3.3V parts. ZIF is not really necessary IMHO but some
people do like it.


Regards,
Xiaofan


On 9/13/05, Olin Lathrop <olin_piclist@embedinc.com> wrote:
 
> > However I agree with him that Wisp628
> > is much easier to build than EasyProg.
> 
> The EasyProg does more and therefore costs more and takes more to assemble.
> You get to make the tradeoff.  If you don't need variable Vdd, self-powered
> Vdd, and programming in a ZIF socket, then the Wisp628 may be the choice for
> you.
> 
> I'm not sure *much* easier is fair, although I've never assembled a Wisp628.
> Putting a bunch of parts from the kit onto the board and soldering them
> doesn't sound that hard.  It seems to me this should be doable in under an
> hour.  Of course if you get just a bare board scrounging the parts may be a
> serious job.
> 
>

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