[MakeLV] Replacement magnetic reed switch for bike computer?
Josiah Ritchie
josiah at josiahritchie.com
Fri Mar 23 14:59:58 CDT 2012
On Fri, Mar 23, 2012 at 3:22 PM, Randy Kramer <rhkramer at gmail.com> wrote:
> On Friday 23 March 2012 03:02:29 pm rsjames at ix.netcom.com wrote:
> > Generally, reed switches are pretty interchangable, especially for low
> > power applications like bike computers. The "Shack" used to sell bare
> > switches. I don't know if they still have them. You could probably use
> > one from a door or window alarm. They may sell just the switch and
> > matching magnet for expanding alarm systems. Just look for one that has
> a
> > rectangular box about an inch and a half long and about 3/8 inch square.
> > Also check to make sure that the reed switch isn't potted in the box
> > (filled with epoxy). R. S. James
>
> Thanks! The bare (reed) switches are also marked web only on the Radio
> Shack
> site (and I stopped in to one that I passed yesterday running some
> errands--no luck. Thinking about it today, I think they did have some reed
> relays, and I could disasseble one of those to get a switch. All things to
> think about...
>
> Hmm, I wonder if that Radio Shack that someone here has mentioned--over on
> the
> south side of Allentown somewhere, iirc--sounds like they cater to
> hobbyists--maybe they'd carry the bare reed switches.
>
> If anyone here remembers which Radio Shack that is (even by approximate
> location), let me know, I'll give them a call.
>
Then one over near Ollies in East Allentown was probably the best RS I've
run into in the area so far.
JSR/
--
http://about.me/josiah
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