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Search: Posts Made By: murph1083
Forum: Do It Yourself 01/06/2008, 09:31 AM
Replies: 1
Views: 606
Posted By murph1083
Bump

Bump
Forum: Do It Yourself 01/03/2008, 10:28 PM
Replies: 1
Views: 606
Posted By murph1083
Modifying a Neptune or Octopus Conductivity Probe

I am working my senior design project for school which is an aquarium controller. The three probes that I will use will be pH, ORP and Conductivity. I have the pH and ORP all figured out but the...
Forum: Do It Yourself 11/18/2007, 07:03 PM
Replies: 6
Views: 1,674
Posted By murph1083
The controller will basically read pH, ORP,...

The controller will basically read pH, ORP, Conductivity and Temperature and control various electrical outputs. The controller will be based around either a Atmel ATmega microcontroller or a Cypress...
Forum: Do It Yourself 11/15/2007, 09:59 PM
Replies: 6
Views: 1,674
Posted By murph1083
Need help with DIY Controller Probes

I am building a controller for a senior design project. I have been looking for probes but none of them have data sheets about their specs. For anyone who has build a controller before, how did you...
Forum: Do It Yourself 10/17/2007, 05:32 AM
Replies: 3
Views: 232
Posted By murph1083
The link helps with probes but does not seem to...

The link helps with probes but does not seem to show specs on how the voltage changes with the water. For the people who have built controllers, what did you do?
Forum: Do It Yourself 10/16/2007, 04:51 AM
Replies: 3
Views: 232
Posted By murph1083
Exclamation Need Help With Probes For DIY Controller

I am getting ready to work on a DIY controller project for a senior design project. I will have the controller measure pH, temp, ORP and Conductivity. I understand these probes need a high impedence...
Forum: New to the Hobby 07/19/2007, 03:13 PM
Replies: 3
Views: 288
Posted By murph1083
A clown fish, a chromis, a yellow tang, a blue...

A clown fish, a chromis, a yellow tang, a blue tang and a damsel. All very peaceful.
Forum: New to the Hobby 07/19/2007, 03:10 PM
Replies: 3
Views: 288
Posted By murph1083
Moving

I am getting ready to move soon which mean I am going to need to take apart my tank. I am planning on moving the tank tomorrow evening but worst case will be Saturday mourning. The new place is only...
Forum: New to the Hobby 04/02/2007, 09:57 PM
Replies: 7
Views: 270
Posted By murph1083
is it safe? how did it get there?

is it safe? how did it get there?
Forum: New to the Hobby 04/02/2007, 08:45 PM
Replies: 7
Views: 270
Posted By murph1083
http://melevsreef.com/id/red_ball_sponge.jpg ...

http://melevsreef.com/id/red_ball_sponge.jpg

This looks like it but mine is white.
Forum: New to the Hobby 04/02/2007, 06:34 PM
Replies: 7
Views: 270
Posted By murph1083
What is This?

I noticed in my tank these balls. They are about 1/4" and most are white, there one that white with a green spot. They have never been there before but they are popping up around the tank. The tank...
Forum: Do It Yourself 11/27/2006, 07:37 PM
Replies: 9
Views: 306
Posted By murph1083
I know about the impedences. I will be able to...

I know about the impedences. I will be able to take care of that. I was just wondering how everyone else picked out probes. Did you just pick any one?
Forum: Do It Yourself 11/17/2006, 05:48 PM
Replies: 9
Views: 306
Posted By murph1083
for anyone who has build some form of a...

for anyone who has build some form of a controller, how did you handle your probes? Did you just buy any probe and adjuct the reference voltages until the output is that you were looking for?
Forum: Do It Yourself 11/17/2006, 06:47 AM
Replies: 9
Views: 306
Posted By murph1083
^bump

^bump
Forum: Do It Yourself 11/16/2006, 08:28 AM
Replies: 9
Views: 306
Posted By murph1083
Question Need Help With Probes for DIY Controller

I'm currently researching building my own controller as a project. I need probes temp, pH, and ORP probes (if possible calcium too) I know there are dont of probes out there but i can find any with a...
Forum: Lighting, Filtration & Other Equipment 11/08/2006, 12:00 PM
Replies: 0
Views: 79
Posted By murph1083
Need Lighting Help

I will be soon upgrading my FOWLR to a reef tank. I need to upgrade my lighting from by 30 Watts FO to something better. I Know I need to upgrade to VHO, T-5, CF or MH but I’m not sure which one....
Forum: New to the Hobby 11/06/2006, 07:51 AM
Replies: 2
Views: 107
Posted By murph1083
Reef Filter

I am getting ready to convert my FOWLR into a reef tank. Im currently using a Emporer Bio-Wheel filter for it but when I upgrade I would like to upgrade this too. The stand the tank is on is oddly...
Forum: Do It Yourself 04/02/2006, 09:55 AM
Replies: 2
Views: 131
Posted By murph1083
^bump

^bump
Forum: Do It Yourself 04/01/2006, 03:18 PM
Replies: 2
Views: 131
Posted By murph1083
Need Help with Relay

Hey guys,

I need a little help with my controller im building. I need a relay that will take the 5VDC out with tiny current and switch a relay to let 120VAC pass through to power and outlet. Can...
Forum: Do It Yourself 03/29/2006, 05:39 PM
Replies: 1
Views: 143
Posted By murph1083
Where to By Probes

Im currently working on my own controller. I cant seem to find places to get probes. Do you guys know anywhere to get probes besides on the probes to a neptune system. I know about Vernier. Anyone...
Forum: Do It Yourself 03/28/2006, 12:19 PM
Replies: 162
Views: 15,130
Posted By murph1083
I saw on the website that the verneir probes, to...

I saw on the website that the verneir probes, to not have BNC connectors on them. Is that what you guys did. Did you cut the ends off of something or did you use the ends that came with them?
Forum: Do It Yourself 02/15/2006, 09:31 AM
Replies: 162
Views: 15,130
Posted By murph1083
im having some trouble figuring out which is the...

im having some trouble figuring out which is the input for your probes.
Forum: Do It Yourself 02/15/2006, 09:00 AM
Replies: 162
Views: 15,130
Posted By murph1083
hey ron im looking to build something like this....

hey ron im looking to build something like this. Can you explain how the probes, op amp and micro work together please?
Forum: New to the Hobby 02/08/2006, 01:52 PM
Replies: 6
Views: 174
Posted By murph1083
safe to house cleaner shrimp with lion?

you guys thik it would be ok to house a cleaner shimp with a lion?
Forum: New to the Hobby 02/08/2006, 12:21 PM
Replies: 4
Views: 158
Posted By murph1083
looking to expand on my cleaning crew...Suggestions?

Hey guys,

Im looking to go to the lfs this weekend and expend on my cleaning crew for my 55g. I currently have 10 Astraea snails. I would like to deal with my algae issues and perhaps some debris....
Showing results 1 to 25 of 165

 
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