Temperature measurement with my Iphone

Hans Gebert · Hans Gebert #1 (**permalink**)

02-06-2012, 10:36 AM

Hi everybody,

I was looking for great accessories and add-ons for my new Iphone 4S as I found an IR-module to measure the temperature (surface, air temperature...)! Here is a link to this topic: BBQ & Grill IR .

To be honest, I am an absolute beginner when it comes to hardware and electronics. Nevertheless, I am very interested in how this whole meausurement thing works. Has anybody an idea why the developers of this external modules sometimes use the TRS connector and sometimes utilize the 30-pin-dock-connector to communicate with the Iphone/Ipad?

And even more fundamental: How does the communication work in general? To be more specific: How is the Iphone able to handle/process the signals which are transmitted by the (e.g. temperature) sensor?

I hope anybody here can give me an advice! I would really appreciate it!

Thanks in advance,

Hans

rabbitjetta · rabbitjetta #2 (**permalink**)

02-10-2012, 11:05 PM

I am pretty sure that is not possible with the iphone.

cwa107 · cwa107 #3 (**permalink**)

02-10-2012, 11:07 PM

Quote:

Originally Posted by rabbitjetta

I am pretty sure that is not possible with the iphone.

Why not? With the 30-pin dock connector, it would be technically trivial to build a temperature sensor that could interface to an iPhone.

chas_m · chas_m #4 (**permalink**)

02-11-2012, 02:11 AM

Quote:

Originally Posted by rabbitjetta

I am pretty sure that is not possible with the iphone.

Doesn't the link in the first post indicate that it is, indeed, possible -- given that the company have sold thousands of units that do exactly this?

As chg indicated, a digital thermometer that pushes the info via the 30-pin dock connector to software is "all" that's required. It's beyond my technical ability, but a HowStuffWorks article on digital thermometers coupled with Apple dev documentation on how to read incoming digital data through the dock connector and a soldering gun should be all one needs.

pendlewitch · pendlewitch #5 (**permalink**)

02-15-2012, 02:58 AM

Interesting stuff. This is a thermal radiation thermometer which converts the IR to a signal and then onto the display. I can't fathom as to why he chose a BBQ'd steak to demonstrate it with because it can't read core temperature, which is what you need for guesstimating how well the steak is done.
Medium Rare for me.

pendlewitch #5 (permalink)
Member Since: Sep 10, 2011 Location: Nelson,UK Posts: 1,645 Mac Specs: iMac 27" Mid 2010, 3.2GHz Intel Core i3,4GB 1333 MHz DDR3, ATI Radeon HD5670 512MB, ML 10.8.3	02-15-2012, 02:58 AM Interesting stuff. This is a thermal radiation thermometer which converts the IR to a signal and then onto the display. I can't fathom as to why he chose a BBQ'd steak to demonstrate it with because it can't read core temperature, which is what you need for guesstimating how well the steak is done. Medium Rare for me. iMac 27-inch Mid 2010, WD My Book 1TB Firewire, Magic Mouse,Magic Trackpad, iPhone 4, iPod Nano 4GB 3rd Gen,ATV2, Samsung LE40 Series 6, Denon AVR1910, Kef HTS 1001.2’s and Kube-1 Sub Denon DCD510AE, Panasonic DMP-BD60,Sky+HD,Logitech Harmony One Advanced. MOTM October 2012.
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Hans Gebert #1 (permalink)
Member Since: Feb 06, 2012 Posts: 1	02-06-2012, 10:36 AM Hi everybody, I was looking for great accessories and add-ons for my new Iphone 4S as I found an IR-module to measure the temperature (surface, air temperature...)! Here is a link to this topic: BBQ & Grill IR . To be honest, I am an absolute beginner when it comes to hardware and electronics. Nevertheless, I am very interested in how this whole meausurement thing works. Has anybody an idea why the developers of this external modules sometimes use the TRS connector and sometimes utilize the 30-pin-dock-connector to communicate with the Iphone/Ipad? And even more fundamental: How does the communication work in general? To be more specific: How is the Iphone able to handle/process the signals which are transmitted by the (e.g. temperature) sensor? I hope anybody here can give me an advice! I would really appreciate it! Thanks in advance, Hans
	QUOTE Thanks

rabbitjetta #2 (permalink)
Member Since: Nov 08, 2010 Location: Indiana Posts: 879 Mac Specs: 13" Retina Pro, iPhone 5, iPad 4, iPod touch 3-5, iMac 27	02-10-2012, 11:05 PM I am pretty sure that is not possible with the iphone.
	QUOTE Thanks

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