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Converting °F to °C Using Aeotec Multisensor 6 with Older Firmware and ISY V4.54


PhanTomiZ

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Posted

Hello,

 

Just re purposed one of my Multisensors 6 to the great outdoors.  I have three others in the house where I use Fahrenheit which fluctuate between 63°F and 74° F.  For the outside Multisensor though, I would like to be able to read °C as this is what I understand better for outside temperatures.

 

I realize that if I were to upgrade the firmware of this device that I would have access to reporting either °F or °C, but I can't justify spending the coin to do just that for one sensor.

 

My ISY version is 4.54.

 

How would I use a program to grab the °F value from the Multisensor 6 and convert it to °C?

 

Thanks

PhanTomiZ

Posted

Hello,

 

Just re purposed one of my Multisensors 6 to the great outdoors.  I have three others in the house where I use Fahrenheit which fluctuate between 63°F and 74° F.  For the outside Multisensor though, I would like to be able to read °C as this is what I understand better for outside temperatures.

 

I realize that if I were to upgrade the firmware of this device that I would have access to reporting either °F or °C, but I can't justify spending the coin to do just that for one sensor.

 

My ISY version is 4.54.

 

How would I use a program to grab the °F value from the Multisensor 6 and convert it to °C?

 

Thanks

PhanTomiZ

Hi Phan

 

As a European born, I understand your possible challenges between F  and C.  This is however a first for me that you want to use F inside and C outside   !!!  :-)

 

I don't use sensors yet and don't know the answer but will follow the issue in this forum.

Posted

asbril,

 

I know my comfort level indoors and what they should be in °F with a specific range of roughly 63° to 76°.  °F also offers me a finer degree of change as opposed to °C.  For outside, before ISY, I was used to looking at my old wireless thermometer that can fluctuate between -35°C and 40°C.  I guess you could say that "°C is my first language" and I can associate my comfort level outside better using this unit of measurement. 

 

PhanTomiZ

Posted

PhanTomiZ,

 

I believe there was at least two users who purchased that upgrade stick. Perhaps create a new thread in the Coffee Shop asking for temporary loan from one of the forum members?

 

I believe a positive outcome would be seen . . . 

Posted

PhanTomiZ,

 

I believe there was at least two users who purchased that upgrade stick. Perhaps create a new thread in the Coffee Shop asking for temporary loan from one of the forum members?

 

I believe a positive outcome would be seen . . . 

Interesting idea....

If the tables were turned, I not so sure I would be so inclined to send my stick in the mail to someone not knowing if I might get it back.  So it would be difficult for me to even ask or suggest.

How about a program to do what I'd like to do?  Any ideas?

Thanks Teken

PhanTomiZ

Posted

Interesting idea....

If the tables were turned, I not so sure I would be so inclined to send my stick in the mail to someone not knowing if I might get it back.  So it would be difficult for me to even ask or suggest.

How about a program to do what I'd like to do?  Any ideas?

Thanks Teken

PhanTomiZ

There is always the Old Farmer's Almanac :http://www.almanac.com/content/temperature-conversion

 

Phan I  have been in the US for close to 20 years and now I am bilingual in C and F ....

Posted

I keep joking that my family is going to go metric even if the US isn't but I haven't made that jump.  (Science is all mostly metric and engineering is largely metric too.)  I did live in Japan for 2 years and got used to it over there.  It seems once you know a handful of measurements, everything else can be related to those.

 

e.g....

My weight in kg

My height in cm

A comfortable room temperature/outdoor temperature

The temp at which it is uncomfortable outside

0 c is freezing

My shoe size in cm

How fast 55 mph is in kph

 

After that, whenever anybody gives a metric measurement a person can largely relate it to their foot, height, weight, speed, etc.

Posted

If you review this thread I believe there are two possible solutions. One is to do the math outlined by Larry or to use I/O Guys program to do the very same: http://forum.universal-devices.com/topic/17724-force-celsius-in-ui/page-1

 

Let us know if either is a solution to the issue at hand . . .

This is what Larry wrote:

 

A while back I wrote a series of programs to interrogate a thermostat and put the result in a variable. This was before v5 and there was no capabilities to do that. It takes a program, that calls one after the other in a daisychain fashion, for each value you could expect. The starting program triggered from any temp change for the stat and also has several times each day to trigger, just in case. The series ran a linear approximation until the logic switched and then you had your temperature in the variable. Of course this would all be replaced once the F/C problem gets fixed from the manufacturer.

 
 
I did the same a while back when I was fresh with the ISY.  I was trying to monitor the temperature of my freezer with the ISY through a program that would switch off the freezer during peak electricity usage.  I didn't know I could use an email variable to report this information at the time.  I figured that one out and sent to trash about 40 programs testing the value of the Multisensor 6 every time there was a 1°F temperature change.  Crude way of doing things, but it worked.  
 
This method is what comes to mind to get the °F value into a variable, then I'll be able to do the math for °C.  That would require 140 programs to get -40°F to 100°F!!!!!!
 
The picture shows my ZW Mutli Temp for every increment (for my freezer)...Here is what each program looked like:
 
ZW Multi Temp is -1F - [iD 0017][Parent 0099][Not Enabled]
 
If
        Status  ' Devices / ZW 010 Multi Freezer' > -1° F
    And Status  ' Devices / ZW 010 Multi Freezer' < 0° F
 
Then
        Wait  5 seconds
        Send Notification to 'Default' content 'Default Subject'
        $Freezer_Temperature  = -1
 
Else
   - No Actions - (To add one, press 'Action')
 
 

post-6263-0-82116200-1487861938_thumb.jpg

Posted

LMAO - All this time I thought what I was doing for myself was unique and time consuming!

 

Not . . .

 

Good to see others had a *Time Suck* project and invested to do the very same . . . Did you look at I/O Guys node program maybe it will offer something a little bit more streamlined? 

Posted

LMAO - All this time I thought what I was doing for myself was unique and time consuming!

 

Not . . .

 

Good to see others had a *Time Suck* project and invested to do the very same . . . Did you look at I/O Guys node program maybe it will offer something a little bit more streamlined? 

I have many "Time Suck" projects on the back burner....Looked at I/O Guy's node program and made a "faux pas".  Installed without first reading install info and crashed my ISY.  Is only good for V5.0+.  I'm still using V4.54.

Posted

Sorry, I should have called that out as I thought you were already running the 5.XX Alpha branch firmware. 5.09 Beta is being hammered out - So perhaps by the end of the first quarter we may see a version the general public can try out. Let us know if the program works for your application as I am sure it will help someone else down the line. 

Posted

Well I broke down today and purchased the Aeotec Z-Wave Stick.  Got it off ebay from 

http://www.ebay.com/sch/foxglobaltrading/m.html?item=262865538487&rt=nc&_trksid=p2047675.l2562

 

Also picked up a couple more Multisensors 6 and a couple of Smart Switches 6 too.  Been wanting to try these Smart Switches for a while.  Supposed to report energy usage, small form factor, has a usb and kewl colors. 

 

Was thinking of picking up a Z-Wave Siren as a repeater, but I believe that these Multisensors act as repeaters if plugged in to USB.

 

I purchased 4 of my Multisensors from him in the past and they were like new still in the box.  He has other Z-Wave products, which I believe to be the best price that I've seen so far.  If you need Z-Wave devices and you think these are good prices then I can say that I've been satisfied.

 

PhanTomiZ

 

On a side note:  I didn't really want to have any Z-Wave devices, but I liked the Z-Wave deadbolt and how easy the installation is compared to Insteon.  If I don't use scenes to control Insteon devices, I will use Z-Wave in programs.  I figured, if I were going to have some "program lag time" then I may as well use Z-Wave and save my Insteon devices for "Scenes" with instantaneous response...

 

Just checked and no Multisensors 6 left...

Posted

Well I broke down today and purchased the Aeotec Z-Wave Stick.  Got it off ebay from 

http://www.ebay.com/sch/foxglobaltrading/m.html?item=262865538487&rt=nc&_trksid=p2047675.l2562

 

Also picked up a couple more Multisensors 6 and a couple of Smart Switches 6 too.  Been wanting to try these Smart Switches for a while.  Supposed to report energy usage, small form factor, has a usb and kewl colors. 

 

Was thinking of picking up a Z-Wave Siren as a repeater, but I believe that these Multisensors act as repeaters if plugged in to USB.

 

I purchased 4 of my Multisensors from him in the past and they were like new still in the box.  He has other Z-Wave products, which I believe to be the best price that I've seen so far.  If you need Z-Wave devices and you think these are good prices then I can say that I've been satisfied.

 

PhanTomiZ

 

On a side note:  I didn't really want to have any Z-Wave devices, but I liked the Z-Wave deadbolt and how easy the installation is compared to Insteon.  If I don't use scenes to control Insteon devices, I will use Z-Wave in programs.  I figured, if I were going to have some "program lag time" then I may as well use Z-Wave and save my Insteon devices for "Scenes" with instantaneous response...

 

Just checked and no Multisensors 6 left...

 

So does this mean I have a rental source in the future?  :mrgreen:

Posted

I believe I could accommodate this.  The only problem is the charge for shipping.  In the U.S., I find shipping prices somewhat reasonable.  In Canada, shipping coast to coast is roughly $11 one way.  It gets much more expensive when crossing the border into the U.S.  I think the ideal situation for this to be worth while would be if you or others are local or within 30 minutes distance.

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