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Forum: The R3CA Project 01/11/2008, 07:19 PM
Replies: 14
Views: 9,902
Posted By pista01
I don't have any of the threads bookmarked. A...

I don't have any of the threads bookmarked. A Google (http://www.google.com/search?aq=-1&oq=&complete=1&hl=en&q=diy+controller+site%3Awww.reefcentral.com&btnG=Search) search should net some results...
Forum: The R3CA Project 01/11/2008, 07:12 AM
Replies: 14
Views: 9,902
Posted By pista01
[QUOTE]<a...

[QUOTE]<a href=showthread.php?s=&postid=11572034#post11572034 target=_blank>Originally posted</a> by gguertin
when doing this can you use any router or hub if I have an extra laying around.... Or...
Forum: Do It Yourself 01/02/2008, 09:26 PM
Replies: 6
Views: 765
Posted By pista01
No, not really. I did start a thread on another...

No, not really. I did start a thread on another board several months ago, but the controller wasn't anywhere near finished then.

It's not like any of the controllers I've read about. It's...
Forum: Do It Yourself 01/02/2008, 09:43 AM
Replies: 6
Views: 765
Posted By pista01
I'm using a mini-ITX board running Linux. The...

I'm using a mini-ITX board running Linux. The controller is written in Java, with an embedded SQL server (Derby) and embedded web server (Jetty). All the sensors and switches are 1-wire devices. I...
Forum: Do It Yourself 01/02/2008, 09:25 AM
Replies: 6
Views: 765
Posted By pista01
It didn't come with a BNC connector. I attached...

It didn't come with a BNC connector. I attached one to the side of the case, then wired it to the terminals of the transmitter.
Forum: Do It Yourself 12/31/2007, 05:44 PM
Replies: 1
Views: 477
Posted By pista01
Have you seen this...

Have you seen this (http://www.automatedaquariums.com/p8mc.htm)?
Forum: Do It Yourself 12/22/2007, 11:01 AM
Replies: 10
Views: 583
Posted By pista01
The Chinese pdf I found has a picture indicating...

The Chinese pdf I found has a picture indicating DIP switches. Using Google to translate the switch settings makes little sense to me. You'll either have to find the English manual or find a nice...
Forum: Do It Yourself 12/22/2007, 10:21 AM
Replies: 10
Views: 583
Posted By pista01
Did you search through the menus to see if there...

Did you search through the menus to see if there is anything there? If not then all I can suggest is call Jenco, or try the 800 number in the pdf you linked a few posts up. They probably have a...
Forum: Do It Yourself 12/22/2007, 09:50 AM
Replies: 10
Views: 583
Posted By pista01
Without the manual it's had to say how it's...

Without the manual it's had to say how it's supposed to be connected. I know on mine I have to add a jumper between the terminals on the transmitter. From what the manual says, there is a three...
Forum: Do It Yourself 12/22/2007, 09:37 AM
Replies: 10
Views: 583
Posted By pista01
Did you try a jumper between the negative and...

Did you try a jumper between the negative and ground? Mine had a jumper already installed. It's used depending on the wiring configuration.
Forum: Do It Yourself 12/21/2007, 08:53 PM
Replies: 10
Views: 583
Posted By pista01
I outlined how I did mine here...

I outlined how I did mine here (http://archive.reefcentral.com/forums/showthread.php?s=&threadid=1269620)


Basically the DS2450 must read the voltage drop across a resistor. A 250 ohm resistor...
Forum: Lighting, Filtration & Other Equipment 12/14/2007, 10:56 AM
Replies: 4
Views: 510
Posted By pista01
Go with 2 or more titanium heaters with a temp...

Go with 2 or more titanium heaters with a temp controller. Never use a single heater.
Forum: Do It Yourself 12/11/2007, 06:53 PM
Replies: 6
Views: 765
Posted By pista01
pH Transmitter & DS2450

I finally connected my newly acquired pH transmitter I picked up on eBay. I know there has been some discussion on how to read pH probes for use in a DIY controller, so I thought I'd post what I...
Forum: Do It Yourself 12/07/2007, 11:00 AM
Replies: 8
Views: 517
Posted By pista01
I bet that would work quite well. I'll probably...

I bet that would work quite well. I'll probably do the same using a 1-wire DS2408.
Forum: Do It Yourself 12/02/2007, 03:14 PM
Replies: 10
Views: 1,098
Posted By pista01
I have two of the large luminarcs over my 120...

I have two of the large luminarcs over my 120 (4'x2'). I bolted them to a frame made from aluminum angle iron I found at Home Depot. I wanted to be able to move them out of the way, so I made a...
Forum: The R3CA Project 12/01/2007, 07:35 PM
Replies: 14
Views: 9,902
Posted By pista01
Cool! Glad you got it working. I find the...

Cool! Glad you got it working.

I find the Java based OneWireViewer (http://www.maxim-ic.com/products/ibutton/software/1wire/OneWireViewer.cfm) a very good way to test the network of devices. ...
Forum: Do It Yourself 11/28/2007, 06:52 PM
Replies: 10
Views: 422
Posted By pista01
I'll use the pair for pH and ORP. I'll probably...

I'll use the pair for pH and ORP. I'll probably use my existing one for a calcium reactor. My 2 part dosing is getting hard to keep up. It's always been "in the plan". Have to finish the web...
Forum: Do It Yourself 11/28/2007, 06:02 PM
Replies: 10
Views: 422
Posted By pista01
I just received the pH transmitter I purchased...

I just received the pH transmitter I purchased from eBay for $45.50. I bought a GLI Pro-P3...
Forum: The R3CA Project 11/27/2007, 07:26 PM
Replies: 14
Views: 9,902
Posted By pista01
I used a 2 part epoxy from Home Depot, the kind...

I used a 2 part epoxy from Home Depot, the kind in the double syringe. After I soldered the sensor to the cable and used small heat shrink tubes to seal and insulate them. Then I sealed the gap...
Forum: Do It Yourself 11/27/2007, 04:37 PM
Replies: 14
Views: 1,173
Posted By pista01
Unless you plan on switching a couple of 400 watt...

Unless you plan on switching a couple of 400 watt ballasts with the same relay, they should be fine. I went with 10A CRYDOM relays I found on eBay, mostly because they were more than twice the size...
Forum: Do It Yourself 11/27/2007, 05:49 AM
Replies: 14
Views: 1,173
Posted By pista01
Very nice use 1-wire devices. A water sensor is...

Very nice use 1-wire devices. A water sensor is on my list of things to build. Another is a motion sensor that I can wave a hand in front of to activate feed mode, including activating feed mode on...
Forum: Do It Yourself 11/24/2007, 07:47 PM
Replies: 10
Views: 422
Posted By pista01
Back when I was researching my options for...

Back when I was researching my options for reading pH, I ran across the LMC6001 (http://www.national.com/mpf/LM/LMC6001.html) amp. Seems ideal for reading a pH probe. The datasheet...
Forum: Do It Yourself 11/24/2007, 12:14 PM
Replies: 10
Views: 422
Posted By pista01
The Vernier stuff is designed to plug into their...

The Vernier stuff is designed to plug into their own interfaces (http://www.vernier.com/mbl/). I'm not sure how/if you can connect it to an external A/D converter, like the Dallas DS2450 in the...
Forum: The R3CA Project 11/24/2007, 11:28 AM
Replies: 14
Views: 9,902
Posted By pista01
You don't need to buy the Temperature Kit. Just...

You don't need to buy the Temperature Kit. Just get the sensor and solder it to the end of a CAT5 cable. Get a few, they are cheap.
Forum: The R3CA Project 11/24/2007, 11:21 AM
Replies: 14
Views: 9,902
Posted By pista01
HobbyBoards did make the change for me. All they...

HobbyBoards did make the change for me. All they did was remove the resistors and bridge the gaps with a piece of wire. The board won't read the pH probe directly. You will need a pH transmitter...
Showing results 1 to 25 of 140
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