On Fri, 20 Feb 2004 13:32:03 -0000, Peter Moreton wrote on
[PIC:] PIC 18F programmer circuit/software?:

>I'm working on a design for a PIC18F452 based board that can be
>programmed in the field, by folk who do not have the standard Microchip
>tools, such as a Picstart+ or an ICD-2. I don't wish to use a
>bootloader, since this would require the user to have access to a
>pre-loaded PIC, so I'm looking around for a simple circuit to build into
>my PCB to enable a blank PIC to be loaded with a .HEX file or similar.
>
>Does anyone have any URL's for good schematics of this type? - thanks.

What I use is there and it works well
http://www.astrosurf.com/soubie/pp_programmer.htm ; you may
keep the programming logics, however you will have to add
some commutation means.

* Xrobert.soubie@free.frX (veuillez supprimer les "X")
* http://www.astrosurf.com/soubie
* Au royaume des aveugles, les borgnes sont mal vus... - P.Dac

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