That looks great.  I think I'll give those a try, DIP package is always
handy...  Thanks a bunch!

nick@veys.com | www.veys.com/nick


> -----Original Message-----
> From: pic microcontroller discussion list
> [mailto:PICLIST@MITVMA.MIT.EDU] On Behalf Of Douglas Butler
> Sent: Thursday, August 02, 2001 4:21 PM
> To: PICLIST@MITVMA.MIT.EDU
> Subject: Re: [EE]: Solid state relay difficulty
>
>
> The reed relay would not require any other components, no
> resistors, no transistors, nothing but the relay from +5 to a
> PIC pin (the snubber diode is built into the relay I
> mentioned (Digi-Key #HE101-ND)).  It gives you a nice
> isolated mechanical switch for $2.70.  That is hard to beat,
> but if you look around you might find a cheaper relay.
>
> Sherpa Doug
>
> > -----Original Message-----
> > From: Nick Veys [mailto:nick@VEYS.COM]
> > Sent: Thursday, August 02, 2001 4:24 PM
> > To: PICLIST@MITVMA.MIT.EDU
> > Subject: Re: [EE]: Solid state relay difficulty
> >
> >
> > I think everyone is missing my point... I was hesistant to
> say I was
> > connecting +5 to Gnd because then I would get the "use a
> transistor"
> > message.  And a real relay is great, but I don't like the extra
> > hardware involved, I'm looking for something simple, all
> I'm doing is
> > shorting leads!
> >
> > I would think there would be some kind of solid state relay
> that can
> > do this but apparently not?
> >
> > nick@veys.com | www.veys.com/nick
> >
> > > -----Original Message-----
> > > From: pic microcontroller discussion list
> > > [mailto:PICLIST@MITVMA.MIT.EDU] On Behalf Of Roman Black
> > > Sent: Thursday, August 02, 2001 2:19 PM
> > > To: PICLIST@MITVMA.MIT.EDU
> > > Subject: Re: [EE]: Solid state relay difficulty
> > >
> > >
> > > Mike Mansheim wrote:
> > > >
> > > > > Have you considered a relay? A "real" relay that
> > > > > is! :o) Simple to drive with your PIC and should
> > > > > work your AC fan load ok since you say it is low
> > > > > power.
> > > >
> > > > Last time I went looking for a relay to run with a pic,
> > > > I ended up using a solid state relay because the
> mechanical relays
> > > > needed more drive current than the pic could do directly.  Of
> > > > course, I limited my selection to whatever was listed
> in Digikey.
> > > > So, does a solid state relay count as "real"?
> > >
> > > No. :o)
> > > Try using a real relay with the coil driven by
> > > a cheap 10 cent transistor like a BC337 or equiv,
> > > and a diode across the relay coil, this can give
> > > advantages over a solid state relay because of
> > > the total isolation of the relay contacts from
> > > the coil and PIC.
> > >
> > > Solid state relays are fine in many cases, but
> > > "real" relays have their place, and are good
> > > safe hardware for newbies.
> > > -Roman
> > >
> > > --
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> > > ways.  See http://www.piclist.com/#archives for details.
> > >
> > >
> > >
> >
> > --
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> > ways.  See http://www.piclist.com/#archives for details.
> >
> >
> >
>
> --
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>
>

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