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Author Topic: Diy Low cost controller  (Read 23792 times)

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Offline cyberwollf

  • 2010 FragSwap Chairman
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Re: Diy Low cost controller
« Reply #100 on: August 03, 2010, 22:29:18 »
Blame Paul......soooooo is it bad if the tank is at 87? :(
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75G Mixed Reef w/ 30G sump/refuge

Electrical Engineers do it on impulse, with faster rise times, with more power, and less resistance at higher frequencies, without shorts, until it Hertz

Offline Wall_Tank

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Re: Diy Low cost controller
« Reply #101 on: August 03, 2010, 22:36:56 »
Quote from: cyberwollf on August 03, 2010, 22:29:18
Blame Paul......soooooo is it bad if the tank is at 87? :(

Glad to be your re-inspiration.
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Offline HUNGER

  • Posts: 4,551
Re: Diy Low cost controller
« Reply #102 on: August 03, 2010, 22:45:41 »
glad to see its still alive   and maybe 87 mite be to high
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Offline cyberwollf

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Re: Diy Low cost controller
« Reply #103 on: August 03, 2010, 23:08:08 »
Ok... Umm how bad is 87? isnt 83 regarded as the higher end of the optimum range? Anyone else without a chiller regularly have temps this high? I cant believe its THAT bad since its how my tank has been running all summer...

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75G Mixed Reef w/ 30G sump/refuge

Electrical Engineers do it on impulse, with faster rise times, with more power, and less resistance at higher frequencies, without shorts, until it Hertz

Offline HUNGER

  • Posts: 4,551
Re: Diy Low cost controller
« Reply #104 on: August 03, 2010, 23:11:09 »
as far as i know u didnt want the tank higher than 81 82
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Offline jd

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Re: Diy Low cost controller
« Reply #105 on: August 03, 2010, 23:11:33 »
Whats your infrared thermometer say?
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Offline cyberwollf

  • 2010 FragSwap Chairman
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Re: Diy Low cost controller
« Reply #106 on: August 03, 2010, 23:29:08 »
I double checked it against the meat thermometer....
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75G Mixed Reef w/ 30G sump/refuge

Electrical Engineers do it on impulse, with faster rise times, with more power, and less resistance at higher frequencies, without shorts, until it Hertz

Offline Reefinmike

  • was Illnino
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Re: Diy Low cost controller
« Reply #107 on: August 03, 2010, 23:49:57 »
High school chem tip-

pack a styro glass full of ice,add water,  stir, shake ect... If your probe reads 32f, then its dead on accurate.
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Offline cyberwollf

  • 2010 FragSwap Chairman
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Re: Diy Low cost controller
« Reply #108 on: August 04, 2010, 00:15:25 »
I'll double check tomorrow. But I'm 99% sure the tank temp was 87.... What kind of damage will that do?
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75G Mixed Reef w/ 30G sump/refuge

Electrical Engineers do it on impulse, with faster rise times, with more power, and less resistance at higher frequencies, without shorts, until it Hertz

Offline lazylivin

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Re: Diy Low cost controller
« Reply #109 on: August 04, 2010, 01:44:16 »
Wes it really depends on where your corals are from. Temps range from 68F - 89F on most reefs; at the extreme, 98F in the Red Sea. A lot of corals come from Caribbean where water temperature ranges from 85F-89F or Florida much lower . 87F seems really high for the average captive coral,  curious as to how the corals are doing and your 24 hour temp swing.

What temperature does your AC kick on?
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Offline cyberwollf

  • 2010 FragSwap Chairman
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Re: Diy Low cost controller
« Reply #110 on: August 04, 2010, 07:08:43 »
AC usually set at 75 during day and 76 at night.  I'm about to go check the temp again. I left a fan blowing on the sump last night.
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75G Mixed Reef w/ 30G sump/refuge

Electrical Engineers do it on impulse, with faster rise times, with more power, and less resistance at higher frequencies, without shorts, until it Hertz

Offline cyberwollf

  • 2010 FragSwap Chairman
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Re: Diy Low cost controller
« Reply #111 on: August 04, 2010, 07:39:08 »
78.8 this morning.... Thats a pretty big daily temp swing.  Maybe this controller is bad news lol maybe i dont want to know how bad off my tank is...

Im going to leave the fan running on the tank all day. Looks like tonight Im building a fan control circuit.
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75G Mixed Reef w/ 30G sump/refuge

Electrical Engineers do it on impulse, with faster rise times, with more power, and less resistance at higher frequencies, without shorts, until it Hertz

Offline HUNGER

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Re: Diy Low cost controller
« Reply #112 on: August 04, 2010, 08:11:32 »
thats a hugh temp swing
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Offline jd

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Re: Diy Low cost controller
« Reply #113 on: August 04, 2010, 08:46:41 »
Wes, Im bringing my Arduino stuff with me to work today, I'll try to whip up a fan controller circuit for us. Maybe I can even get a PCB made today... Do you have a link to the pH op-amp circuit?
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Offline cyberwollf

  • 2010 FragSwap Chairman
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Re: Diy Low cost controller
« Reply #114 on: August 04, 2010, 09:01:54 »
You can find it from pH probe on wiki. I already have a Triac circuit breadboarded from an old Christmas light controller. Just need to dig it out
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75G Mixed Reef w/ 30G sump/refuge

Electrical Engineers do it on impulse, with faster rise times, with more power, and less resistance at higher frequencies, without shorts, until it Hertz

Offline cyberwollf

  • 2010 FragSwap Chairman
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Re: Diy Low cost controller
« Reply #115 on: August 04, 2010, 17:17:08 »
Ok, Im at 80.6 right now. But the lights kick on at 2pm so they have only been on for 3 hours.  I will monitor as the night goes on.  I have a fan on it and the AC vents are open in basement and dehumidifier is off (it generates alot of heat)

I guess the fan is good for a few degrees of cooling.  I will get the fan control circuit going tonight.
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75G Mixed Reef w/ 30G sump/refuge

Electrical Engineers do it on impulse, with faster rise times, with more power, and less resistance at higher frequencies, without shorts, until it Hertz

Offline HUNGER

  • Posts: 4,551
Re: Diy Low cost controller
« Reply #116 on: August 04, 2010, 20:44:16 »
fans do work great
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Offline jd

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Re: Diy Low cost controller
« Reply #117 on: August 04, 2010, 20:58:07 »
pH Circuit designed, laid out and etched. Will populate and test tomorrow.
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Offline cyberwollf

  • 2010 FragSwap Chairman
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Re: Diy Low cost controller
« Reply #118 on: August 04, 2010, 21:23:05 »
Got the fan control working. I'm finishing breadboarding the circuit to switch my korillia evos on and off every 15 seconds for wavemaker
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75G Mixed Reef w/ 30G sump/refuge

Electrical Engineers do it on impulse, with faster rise times, with more power, and less resistance at higher frequencies, without shorts, until it Hertz

Offline HUNGER

  • Posts: 4,551
Re: Diy Low cost controller
« Reply #119 on: August 04, 2010, 21:55:29 »
thats good do they turn on by temp  or time?   
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Offline cyberwollf

  • 2010 FragSwap Chairman
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Re: Diy Low cost controller
« Reply #120 on: August 04, 2010, 22:29:59 »
Fans turn on when temp is >80. 

Well the tank is still ~81.  which is good.  Maybe it was just the dehumidifier that was heating up the basement yesterday.  I turned the fan off and will measure tomorrow afternoon/night and see how much about 81 it is.  Im happy that im not forced to buy a chiller!

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75G Mixed Reef w/ 30G sump/refuge

Electrical Engineers do it on impulse, with faster rise times, with more power, and less resistance at higher frequencies, without shorts, until it Hertz

Offline HUNGER

  • Posts: 4,551
Re: Diy Low cost controller
« Reply #121 on: August 05, 2010, 08:17:25 »
the dehumidifier put off that much heat ?
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Offline cyberwollf

  • 2010 FragSwap Chairman
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Re: Diy Low cost controller
« Reply #122 on: August 09, 2010, 20:51:03 »
OK now you can officially call it a controller.  It has a sensor and controls and output!!  :laugh:

This is the true definition of "breadBOARD" lol too many external cords so I just taped them down.  Of course I will put this in some enclosure and use terminals in the future.



Ok heres a video (kinda big 7MB) I have the temp sensor out of the tank, and when i put it in the tank and the temp >80.9 it turns the fan on.  Looks like my tank is running <82, which is good considering I saw it at 87 one day last week lol.  I need to go buy a cheap clip on fan to put in the stand

Gotta click the link to goto photobucket to see the video
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75G Mixed Reef w/ 30G sump/refuge

Electrical Engineers do it on impulse, with faster rise times, with more power, and less resistance at higher frequencies, without shorts, until it Hertz

Offline TechGuy

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Re: Diy Low cost controller
« Reply #123 on: August 09, 2010, 21:05:45 »
Thats cool man. You know, these plans, and a DIY how too could draw alot of traffic to the site.
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Offline cyberwollf

  • 2010 FragSwap Chairman
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Re: Diy Low cost controller
« Reply #124 on: August 09, 2010, 21:18:39 »
Quote from: TechGuy40 on August 09, 2010, 21:05:45
Thats cool man. You know, these plans, and a DIY how too could draw alot of traffic to the site.

Still working on more functionality.  Need it to do much more before folks justify the money.  Its just an expensive ($40) fan contoller right now.  I might have korillia wavemaker done tonight ;)
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75G Mixed Reef w/ 30G sump/refuge

Electrical Engineers do it on impulse, with faster rise times, with more power, and less resistance at higher frequencies, without shorts, until it Hertz

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