Homebrew PCBs

And here is the link to Jaycar's flexitimer:

   Flexitimer 
<http://www.jaycar.com.au/productView.asp?ID=KA1732&CATID=25&keywords=&SPECIAL=&form=CAT&ProdCodeOnly=&Keyword1=&Keyword2=&pageNumber=&priceMin=&priceMax=&SUBCATID=335>

  All you might need to do (depending on your exposure box) is arrange 
for 12-15V DC and/or a heavier duty relay to switch the power to the UV 
source.

Trev

Bill Maxwell wrote:

> and there is a simplified version of that particular timer in the
> current June issue of Silicon Chip. Only available as kit from Jaycar
> Electronics though and if similar to the situation with their other
> recent kits, published many months before kits actually become available.
>
> Bill VK7MX
>
> kabowers@... <mailto:kabowers%40NorthState.net> wrote:
> > On Sat, 7 Jun 2008 16:25:07 +0100, you wrote:
> >
> >
> >> ----- Original Message -----
> >> From: "Howard" <hj.payne@... <mailto:hj.payne%40ntlworld.com>>
> >> To: <Homebrew_PCBs@yahoogroups.com 
> <mailto:Homebrew_PCBs%40yahoogroups.com>>
> >> Sent: Saturday, June 07, 2008 4:04 PM
> >> I was actually thinking of designing one, if you can't find anything
> >> suitable. It'd use a small PIC and a couple of LED displays, with a
> >> push-button or two for setting the time. The internal oscillator is 
> good for
> >> 1%, so it won't need a crystal.
> >>
> >> Leon
> >>
> > There was a nice set of plans in September 2007 issue of Everyday
> > Practical Electronics magazine Vol.36 No.9. It was called a
> > "Programmable Flextimer". Uses a PIC16F84A. The .hex file is available
> > from their WEBsite; no source though 8:(. It was a reprint from
> > silicon chip magazine.
> > http://www.epemat.co.uk <http://www.epemat.co.uk> 
> http://www.siliconchip.com.au <http://www.siliconchip.com.au>
> >
> >
> > ------------------------------------
> >
> > Be sure to visit the group home and check for new Links, Files, and 
> Photos:
> > http://groups.yahoo.com/group/Homebrew_PCBsYahoo 
> <http://groups.yahoo.com/group/Homebrew_PCBsYahoo>! Groups Links
> >
> >
> >
> >
> >
>
>  



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