[Shop-talk] Looking to automate fan with remote pressure pad switch

[Steve Dillen]

I went with Samsung's "smartthings" for automation.  I have it tied into 
IFTTT (www.ifttt.com) for some notification/automation, but in short:

I have a motion sensor in my shop (battery powered) which has automation 
tied to it such that motion causes a outlet control to turn on for 60 
minutes.  No motion for 60 minutes causes outlet to turn off which shuts 
off lighting, the stereo and such things as cordless battery chargers.  
I have another room with a door contact (magnet, battery powered) that 
is automated to turn on a light bulb (smart-bulb from Ikea).  Bulb turns 
off as door is closed or when it has been on for 10 minutes (in case 
door is left open).  All in, I may have spent $250 on parts and my phone 
tells me when things happen.  Smartthing outlet looks like a "wall wart".

I have been finding that my shop light gets triggered when my dog (sort 
of dog...more like hamster that barks) runs through the shop...and I 
suspect it has been triggering when small woodland creatures run through 
as well, so cat sized creatures should not be an issue to trigger.  The 
motion sensor is about 2" square and runs on a button cell, 4 months so 
far and is now at 30% battery life remaining.

Steve Dillen

On 2019-02-07 9:40 a.m., Steve Hammatt, Mount Vernon WA USA via 
Shop-talk wrote:
> I’m looking to remotely control an existing fan.
> The fan is currently manually controlled by a
> normal 110V 15A wall on-off switch.  I’m looking
> for hardware that can replace the existing switch
> and operate the fan for a pre-set (hopefully adjustable)
> length of time.  The new timer hardware would be wirelessly
> controlled by a remote pressure pad.
> Here’s the scenario:
> Cat comes into the laundry room (where the cat box is
> located) and enters the cat box.  The pressure pad would
> be outside the cat box entry and the cat would activate the
> pressure switch in the entry pad and a wireless signal would
> be transmitted to the 110V power switch located in the existing
> wall mounted gang box.  In my case, the entry pad is very near an
> existing outlet, so it could be 110V. The fan would automatically
> come on for a pre-determined amount of time, then automatically
> turn off.The cat exiting the cat box would have no affect on the fan
> since it’s already running.
> Any clever ideas from our Shop-Talk members?  The assembly of
> everything involved would take place in the shop, so the mandatory
> shop application is thereby satisfied.
> Thanks.
> Steve Hammatt
> Mount Vernon WA USA
> www.leatherplates.com
>
>
>
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