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question on powering a tec.

 Post subject: question on powering a tec.
PostPosted: Sat May 19, 2012 2:30 am 
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Joined: Sat May 19, 2012 1:54 am
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I have been following your post on the DIY Tec controller. I also have been gathering parts for a Tec build using an Arduino, I was think of using a a motor driver module "High Current DC Motor Driver Module MOSFET control *for Robot & Arduino Project" I found on Ebay. Several Arduino forums sugested using a motor crontroller, but they were for very low power tecs. I am still trying to figure out the power side of controlling a Tec. I was wondering if this type of controller would be good for controlling a Tec or if I should try and build one. I can solder but not too good with circuit design.


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 Post subject: Re: question on powering a tec.
PostPosted: Sat May 19, 2012 8:55 am 
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hello

yes i looked into using them too . but what i found is they were all very low wattage and the ones that were higher wattage were very expensive !

i dont know anything about your project but you'll probably be using 30amp's at max load

currently the project doesn't require any soldering at !! but that will change with the addition of the mosfet. mostfet wiring is pretty simple so i doubt you'll have any trouble. Their are only 3 wires . +, -, And the controlling signal from the arduino

whats your tec project ?


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 Post subject: Re: question on powering a tec.
PostPosted: Sat May 19, 2012 9:24 am 
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Joined: Sat May 19, 2012 1:54 am
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I was looking into a Tec chiller, most of my computer equipment is old and I was thinking about building a chiller that I could easily move when /if I ever upgrade. I bought a lot of junk (PID controllers, relays, power supplies, small pelts) over the years before I found your post and realized I did not have a clue and better start reading. Got most of the items for pennys of ebay. The project I was thinking on was similar to yours mindchills latest project . Control to dew point. I found information on Arduino wedsites on code and thought I could use it to control the chiller. I am really interested in your results. I purchased a uno, sensor board and display but not much else sinse I saw your project. Waiting to see your results.


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