[arm-allstar] Fan control via GPIO and control circuit you can get from Amazon

[Doug Crompton]

Jim,

 That looks really neat and so cheap. Even though I don't need one I would
order a couple just to have.

Doug


On Sat, Oct 27, 2018 at 1:21 PM "James R. Pilgram via ARM-allstar" <
arm-allstar at hamvoip.org> wrote:

> Try checking this out. Works great and cheap!  Jim
>
>
> https://www.ebay.com/itm/50-110-12V-W1209-Digital-thermostat-Temperature-Switch-Control-Sensor-Case-US-/302622490963?skus=Model:W1209%20Temperature%20Control%20Case&varId=601463544181
>
> On Sat, Oct 27, 2018, 6:49 AM "Arthur Putnam via ARM-allstar" <
> arm-allstar at hamvoip.org> wrote:
>
> > I would like to turn it on via PTT of pi for a time period. Then shut
> > down. Not sure if CPU temp could also be monitored and activate as same
> as
> > PTT .  Once a temp range was reached?
> > Too many bun fans running all the time here in the shack.
> >
> >
> > Sent from Yahoo Mail on Android
> >
> >   On Sat, Oct 27, 2018 at 8:22 AM, Doug Crompton via ARM-allstar<
> > arm-allstar at hamvoip.org> wrote:   Arthur,
> >
> >  Yes, that module will control a 120V fan from an I/O bit on the Pi fine.
> > But decide what you want to do regarding controlling it. Leave it on, in
> > which case you don't need the module, turn it on on TX, turn it on on TX
> > with delay, Control it with a temperature sensor?
> >
> >
> > *73 Doug*
> >
> > *WA3DSP*
> >
> > *http://www.crompton.com/hamradio <http://www.crompton.com/hamradio>*
> >
> > On Sat, Oct 27, 2018 at 11:18 AM "Arthur Putnam via ARM-allstar" <
> > arm-allstar at hamvoip.org> wrote:
> >
> > > You can find more details on Amazon about the Sunfounder relay module.
> > >
> > > Sent from Yahoo Mail on Android
> > >
> > >  On Sat, Oct 27, 2018 at 8:02 AM, Arthur Putnam via ARM-allstar<
> > > arm-allstar at hamvoip.org> wrote:  I would like to use the following
> > > control circuit, to control a bun fan to cool radio.
> > > SunFounder Relay Module for Arduino and Raspberry Pi 5V DC Trigger by
> > > HIGHLO (HIGH Trigger)
> > >
> > > I am looking for script to use this control circuit and how to apply it
> > to
> > > the Rpi 3+ I am using.
> > > Any ideas or feedback would be much appreciated.
> > >
> > >
> > >
> > >
> > > Arthur Putnamemail:n7mnk at yahoo.com
> > >
> > >
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