Keith Dowsett wrote:
>
> >G'day Piclist
> >Just a question for Octavio or anyone else that knows.
> >I have decided to build and test the Propic 2.5 programmer and
> >was wondering if the smaller pics (18 pin etc) just slot into
> >the 40 pin zif with pin 1 adjacent to the pin 1 on the zif.
> >Also if they can just plug in without any damage occuring to
> >the device and whether the software and hardware has any problems.
> >Thanks in advance.
> >Justin
> >
>
> Hi,
>
>    I built a ProPic a little while ago and used it mostly for 16C84
> development without any problems. Octavio was pretty helpful and suggested
> adding a little capacitor to one of the data lines when mine wouldn't
> program.  When I get some time I will add the production programming
> options, and start on a 16C73 project I have in mind.
>
> I will probably re-design the power supply to use a 317 for the programming
> voltage instead of the 7808. This will allow me to adjust the program supply
> too.
>
> I built mine on strip board, but if you fancy designing a neat PCB for it I
> would love a copy. Octavio could probably post it on his page too.
>
> Keith.
> ==========================================================
> Keith Dowsett         "Variables won't; constants aren't."
>
> E-mail: kdowsett@rpms.ac.uk
> WWW:    http://kd.rpms.ac.uk/index.html
Thanks for your reply Keith,
I will be using the programmer on a '84 as well and then will
probably progress to a '74.
As for the PCB I will probably use stripboard but might design
a PCB layout anyway with Autotrax.
By the way where does that little cap go...
Thanks
Justin