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simple temp control

 
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tigman250



Joined: 14 Jul 2013
Posts: 19

PostPosted: Aug 09 2013    Post subject: simple temp control Reply with quote

Hello again, was wondering if anyone has made a simple temperature control device? I would like to use something along the lines of a power door lock solenoid to operate an intake flap on my firebox, I have seen the units with a fan but would like to stay away from a fan because it seems too fragile to be on a smoker haha! Any thoughts?
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apurcell22



Joined: 09 Aug 2005
Posts: 6

PostPosted: Aug 09 2013    Post subject: Reply with quote

The heatermeter has that ability, but you have to build it your self. http://tvwbb.com/showthread.php?35674-HeaterMeter-v4-0-for-RaspberyPi-Standalone
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tigman250



Joined: 14 Jul 2013
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PostPosted: Aug 10 2013    Post subject: Reply with quote

I was hoping for something a bit more simple, I don't want to have to take my laptop camping with me lol!
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apurcell22



Joined: 09 Aug 2005
Posts: 6

PostPosted: Aug 10 2013    Post subject: Reply with quote

It can be ran stand alone, but does require 120 volt power.
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k.a.m.
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Joined: 12 Dec 2007
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Location: Southeast Texas.

PostPosted: Aug 10 2013    Post subject: Reply with quote

What about this.
http://www.thesmokering.com/forum/viewtopic.php?t=37975
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chaney1320
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Joined: 04 Aug 2013
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Location: Calhoun, Louisiana

PostPosted: Aug 10 2013    Post subject: Temp control ! Reply with quote

Well I would love to be able to build that control model that kam posted ! Not sure I would be able to follow though ?? I have thought about temperature control modules, pretty pricey though !!
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apurcell22



Joined: 09 Aug 2005
Posts: 6

PostPosted: Aug 11 2013    Post subject: Reply with quote

Well that looks easy enough and quite effective for a fan operated system. I may have to try it as i have many of the parts on hand. Its simple and straight forward to hook up. Thanks for the pointer!
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tsawyer148
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Joined: 16 Dec 2010
Posts: 51
Location: Southwest, Utah

PostPosted: Aug 13 2013    Post subject: Reply with quote

How about something like this?
http://www.thesmokering.com/forum/viewtopic.php?t=46855&highlight=

I found the directions and schematic on the virtual Weber Bullet site a couple of years ago but they updated the forum and now I can't find it but I have all the information for it. It's a simple comparator circuit and I use the Maverick ET-73, (now the ET-732), as an indicator and is not directly tied into the circuit. The circuit uses a potentiometer to turn power on and off so you can adjust it to whatever temp you want and runs on 12 volts. I'm pretty sure it could be used to operate a solenoid since it's just power on and off.
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tigman250



Joined: 14 Jul 2013
Posts: 19

PostPosted: Aug 13 2013    Post subject: Reply with quote

tsawyer148 wrote:
How about something like this?
http://www.thesmokering.com/forum/viewtopic.php?t=46855&highlight=

I found the directions and schematic on the virtual Weber Bullet site a couple of years ago but they updated the forum and now I can't find it but I have all the information for it. It's a simple comparator circuit and I use the Maverick ET-73, (now the ET-732), as an indicator and is not directly tied into the circuit. The circuit uses a potentiometer to turn power on and off so you can adjust it to whatever temp you want and runs on 12 volts. I'm pretty sure it could be used to operate a solenoid since it's just power on and off.


Now that's exactly what I am looking for, you don't happen to have schematic and material list for it do you?
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tsawyer148
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Joined: 16 Dec 2010
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Location: Southwest, Utah

PostPosted: Aug 13 2013    Post subject: Reply with quote

Yes, I do. It is buried somewhere in the endless abyss that is my workshop but I will find it and get it sent to you. PM me your email and I'll get it to you as soon as I can.
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BigC_BBQ
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Joined: 28 Feb 2012
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PostPosted: Aug 23 2013    Post subject: Reply with quote

tsawyer148, I would very much like the parts list and schematic as well if you would be so kind. Looking for a low-cost, simple design such as this. Less is more, I think.
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tsawyer148
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PostPosted: Aug 26 2013    Post subject: Reply with quote

BigC,

Sorry I am late answering this, I have been out of town for a few days. I will get it sent to you when I get home this afternoon.
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Alien BBQ
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Joined: 12 Jul 2005
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PostPosted: Aug 27 2013    Post subject: Reply with quote

You can not get simpler than this and it works great. It is a fireplace fan with a piece of flashing screwed into the screw hole. It mounts to the firebox of my large trailer smoker. I have had this installed about 3 years now and it is trouble free.



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waldandav



Joined: 22 Aug 2013
Posts: 1

PostPosted: Aug 27 2013    Post subject: Reply with quote

Tsawyer when you find the plans I would like a copy also
Thanks
Dan
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tsawyer148
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Joined: 16 Dec 2010
Posts: 51
Location: Southwest, Utah

PostPosted: Aug 27 2013    Post subject: Reply with quote

waldandav wrote:
Tsawyer when you find the plans I would like a copy also
Thanks
Dan


Hey Dan,

Please PM me your email and I will get it sent to you right away.
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4LeafClover



Joined: 07 Jul 2013
Posts: 19

PostPosted: Aug 31 2013    Post subject: Reply with quote

tsawyer148 wrote:
Yes, I do. It is buried somewhere in the endless abyss that is my workshop but I will find it and get it sent to you. PM me your email and I'll get it to you as soon as I can.


I built the circuit for this today and picked up a 75cfm fan to use as my blower. I still need to purchase the temp probe, so i dont know if its going to work or not. I found a discrepancy between the terminals on the volt regulator between your schematic and the one on the package. I followed the one on the package. The #2&#3 pins are reversed on your schematic. I used a lighted toggle instead of the power led also. I hope this works, because I'm at $68 before purchasing the probe. Everything minus the fan is around $50 at radioshack, not $20-30.
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tsawyer148
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Joined: 16 Dec 2010
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Location: Southwest, Utah

PostPosted: Sep 04 2013    Post subject: Reply with quote

Hmmm, well I built mine almost 3 years ago but I can't imagine the price of electronic components has gone up that much. Another thing I remember is that the probe you use will make a big difference as well. Your best bet is to use the probes that come with the ET-72, not the ET-732. The resistance is different between the two and the one for the 732 causes a wider temp difference.
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*Big Ass German Shepherd
inside will rip your arms off!
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