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Re: Terry's Strobe
No schematics on the one I had, although the web site may have it.
However, the PC board inside is so simple that reverse engineering it is
trivial... I'll see if I can scrounge it up.
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> From: Tesla List <tesla-at-pupman-dot-com>
> To: tesla-at-pupman-dot-com
> Subject: Re: Terry's Strobe
> Date: Tuesday, March 28, 2000 12:43 AM
>
> Original Poster: Terry Fritz <twftesla-at-uswest-dot-net>
>
> At 11:48 AM 03/27/2000 -0800, you wrote:
> >The cheap Radio Shack strobe, when set to a fast flash rate, tends to
flash
> >in sync with the line frequency. It's because they use a half wave
doubler
> >to charge the strobe cap. It would be a simple matter to modify it so
that
> >it flashes exactly in sync.
> >
> >
>
> Hi Jim,
>
> Hey that's a great idea!! The Radio Shack thing (RS# 42-3009 for 34.99
in
> my old 1998 catalog) probably has all the basic electronics in it that we
> need! Perhaps a simple modification and some testing would get it to
flash
> at 60 or 120 Hz and insure that the flashes are at the exact peak of the
AC
> cycle. Radio Shack is good about including schematics and stuff and the
> modifications should be easy to figure out and easy for the average
person
> to do. They are commonly available and the design never changes so
anyone
> should be able to use it. They are always putting that stuff on sale too
> but you never know when.
>
> It would give bright and fast flashes that should provide excellent stop
> action. Just have to work out the modifications...
>
> I ran some numbers today to convert my strobe to sharper rates and it
> could be done but this Radio Shack thing would give so much better
> performance it is definitely the thing to try next.
>
> Another project! ;-))
>
> Cheers,
>
> Terry
>