harvey's opinions also true, i spent ~ $50 just for hot air rework
station, because i'm starting dealing using smd part :D ( that was fun)
about the exposure, i asked my friend to make the box (free of charge),
i do the electronics and coding part.( that was fun too)
i think the cost does not matter for me, for my hobby, as long it's not
draining my wallet and at reasonable price, lol.
but it worth to try cheap solution too. i love to try something new. it
all can be fun for me. :)
back to topic, can i use germicidal UV tl? the one that has transparent
tube.
TIA
regards
hari
about exposure box i've made, my friend built the box for me, i've just do
On 2/23/2013 6:19 AM, Harvey White wrote:
>
> On Fri, 22 Feb 2013 09:13:43 -0700, you wrote:
>
> >Hari,
> >
> >I am fascinated with the ATTiny85 (computer system on a chip and cost
> under
> >$1) but refuse to take the leap until I can find a really cool
> application.
> >Recently I thought I had one but then realized I could do the same
> function
> >with a 25 cent quad op amp and a few passive components. The cost was
> half
> >of the ATTiny :-(
>
> Exposure timer. Exposure timer (if it has an a/d) with sensitivity to
> exposure.
>
> Do it because it's neat. You're talking about a 50 cent difference
> (but not really) in hardware cost, but you're talking versatility.
>
> It's a hobby, do it because it can be fun. That's what hobbies are
> for, to allow you to spend the money without really having to justify
> it.... (just the total expenditure).
>
> Harvey
>
> >
> >Rick
> >
> >-----Original Message-----
> >From: Homebrew_PCBs@yahoogroups.com
> <mailto:Homebrew_PCBs%40yahoogroups.com>
> [mailto:Homebrew_PCBs@yahoogroups.com
> <mailto:Homebrew_PCBs%40yahoogroups.com>]
> >On Behalf Of Hari Hendaryanto
> >Sent: Friday, February 22, 2013 9:09 AM
> >To: Homebrew_PCBs@yahoogroups.com
> <mailto:Homebrew_PCBs%40yahoogroups.com>
> >Subject: Re: [Homebrew_PCBs] DIY pcb exposure box UV tl
> >
> >
> >Hi rick,
> >
> >New url is okay. I'll check if it's(or equivalent) available on my local
> >suplier
> >
> >Yes you were right about how people build things. It's just a matter of
> >personal taste.;)
> >
> >Reason why I'm using proc, because I already have it and not using for
> >anything.
> >
> >Thanks for your response
> >Regards
> >Hari
> >
>
>
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