temperature sensor

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banh

Joined: 16 Dec 2004
Posts: 472
Helped: 12

06 Jan 2005 8:08 temperature sensor

I wish to find information on temperature sensor...
types? methods for interfacing with microcontroller?

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IanP

Joined: 05 Oct 2004
Posts: 6490
Helped: 1542
Location: West Coast

06 Jan 2005 8:19 Re: temperature sensor

There are several companies who offer tutorials.
This one is from Microchip:

http://ww1.microchip.com/downloads/en/DeviceDoc/21895a.pdf

and this one is form Maxim_IC:
http://www.maxim-ic.com/appnotes.cfm/appnote_number/685

and there are more...

olemp

Joined: 18 Jul 2004
Posts: 96
Helped: 2
Location: turkiye

06 Jan 2005 11:42 temperature sensor

hi! also i want to control temparature of my soldering iron.....
what kind of sensor do you suggest...+- 15 (or a bit more) degree error is acceptable............and its cost should't be very much....

deejay2k1

Joined: 26 Apr 2004
Posts: 8

06 Jan 2005 14:09 temperature sensor

usually the soldering iron has a built-in probe, a thermocouple, that gives a voltage based on tip's temperature. you may try to use a spms to drive the iron, based on that voltage (tl494, uuc3842)

olemp

Joined: 18 Jul 2004
Posts: 96
Helped: 2
Location: turkiye

06 Jan 2005 17:18 temperature sensor

there is just a heater in my soldering iron....
solomon 30W............
there is no thermocouple..

aNdreiBuuu

Joined: 30 Apr 2001
Posts: 437
Helped: 11

07 Jan 2005 0:29 Re: temperature sensor

use a soldering iron head with temperature sensor and do a search in edaboard on weller ec-2002; you'll find a reference schematic.

hope this help,
//a

pixel

Joined: 16 Sep 2004
Posts: 574
Helped: 63

07 Jan 2005 13:37 Re: temperature sensor

Here is a clear description of different sensor types:

http://www.analog.com/UploadedFiles/Associated_Docs/5618648507532124844052503435815318749067154905966Fsect7.PDF