Re: [avr-chat] usbasp

[Daniel O'Connor]

On Thursday 23 March 2006 08:48, Neil Davey wrote:
> I added a 3.3V regulator to the circuit and it worked fine on usb2
> ports. Of course it you are using a 5V target circuit this is a problem.
> Just my experience with this... YMMV

You can probably get around this by using a buffer (a 74125 if you're cheap :) 
that is run from VCC (either from the board or USB)


> Regards
> Neil Davey
>
> >>On Wed, 08 Mar 2006 09:07:45 +0530, <address@hidden> wrote:
> >>>What about
> >>>www.fischl.de/usbasp
> >>>
> >>>I did it myself. It works on my laptop without any problem.
> >>>Javier
> >>
> >>This looks nice & simple. When I build it, I'll get back to you with my
> >> feedback. Thanks !!
> >>
> >>--Royce.
> >>
> >>>"Royce Pereira" <address@hidden>@nongnu.org con fecha 07/03/2006
> >>>04:29:18 a.m.
> >>>
> >>>
> >>>Hi,
> >>>Can any one recommend a AVR programmer using the USB port? I need
> >>> something I can build myself, not buy commercially.
> >
> >I built one and it seems to work out of the box. My system is linux
> > 2.6.14. Because I could not read the layout on Thomas Fischls homepage I
> > built my own postscript based pcb. Here is the source:

-- 
Daniel O'Connor software and network engineer
for Genesis Software - http://www.gsoft.com.au
"The nice thing about standards is that there
are so many of them to choose from."
  -- Andrew Tanenbaum
GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C

pgpw8TPgKR0F4.pgp
Description: PGP signature