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Old 04-22-2013, 09:34 PM   #1
shift
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Arduino auto dosser


So I have been meaning to learn how to use arduino and realized I am horrible at remembering for dose the tank with ferts. So I decided to build an arduino powered auto dosser!

I ordered some transistors and 3x 12 dc dosing pumps last night. Once they arrive I should be set to build!

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Old 04-22-2013, 10:11 PM   #2
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If you're using the pwm channels, you won't need relays for the pumps. zero pwm will shut them off.

I just set up a peristaltic pump controlled by an arduino. You can check it out on my site.
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Old 04-22-2013, 10:17 PM   #3
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Do you have a link to the post? I cant seem to find it on your site..

I just ordered 3 of ebay item# 321100116298 pumps
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Old 04-23-2013, 12:38 AM   #4
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here's video of it running
http://aquatictechtank.net/viewtopic...&t=15&start=10
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Old 05-13-2013, 10:24 PM   #5
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I fainlly got mine doser built and runing.




I just put together a video of mine to!

http://www.youtube.com/watch?v=8gr5I...ature=youtu.be

For those included to build their own I posted the code and schematics at Arduino Controlled Dosing Pumps
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Old 05-13-2013, 10:59 PM   #6
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looks awesome. you could ad two more solenoids and have it make you a martini while you watch your tank as well! lol =)
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Old 05-13-2013, 11:19 PM   #7
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haha, built in drink mixer.... while you want for the tank to water change it self! (if only there was a drain close by!)

I may add a tempature monitor/auto shut off in the future.. but so far i'm pretty happy with it for my first arduino project. *(and my tank finally gets dosed daily ferts!)
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Old 05-13-2013, 11:21 PM   #8
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Looks good! I'll have to steal the box idea. I wasn't sure how to mount the pumps.
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Old 05-13-2013, 11:23 PM   #9
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It was a wooden tea packet box.. 3$ at the dollar store.. you cant beat it for the price.

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Old 05-14-2013, 03:48 AM   #10
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so with this system, do you find yourself running the program in a so-called "drip" mode for better distribution to plants without giving excess for those nasty algae friends?

It would be a good case study to see if this could be proven
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Old 05-14-2013, 04:04 AM   #11
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Right now it setup to does it one after another about an hour before the lights come one... haven't though about doing a "drip mode" allthough it may be an intresting experiment..

Instead of 8ml all at once you could do 1ml / hour of each mix... I wonder if there would be noticable differance?
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10G - Yellow shrimp
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Old 05-14-2013, 02:44 PM   #12
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Quote:
Originally Posted by Vermino View Post
so with this system, do you find yourself running the program in a so-called "drip" mode for better distribution to plants without giving excess for those nasty algae friends?

It would be a good case study to see if this could be proven
Nutrient isn't the problem when it comes to algae. They can live fine without much at all. It's light and circulation/lack of O2 in the water fore most, and then unhealthy plants due to low nutrients and CO2.
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Old 05-14-2013, 03:16 PM   #13
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This looks great, quick question for you for the board power. What did you use for wall power? Those usb wall adapter power plugs for cellphones would you think that would work?
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Old 05-14-2013, 10:42 PM   #14
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Quote:
Originally Posted by mistergreen View Post
Nutrient isn't the problem when it comes to algae. They can live fine without much at all. It's light and circulation/lack of O2 in the water fore most, and then unhealthy plants due to low nutrients and CO2.
ahh ok, yeah i read otherwise on one of these stickies (cant remember where)
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Old 05-14-2013, 10:46 PM   #15
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Default Arduino auto dosser

The whole thing is powered from a 12v 1A wall plug. I have a voltage regulator on the top board that drops it down to 5v for the arduino and feeds 12v to the pumps

Check out my wiring diagram at http://fishtankprojects.com/diy-aqua...ing-pumps.html
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84G - The Osaka Forest
12G Fluval Edge - Celestial pearl Danios, Boraras urophthalmoides & PFR shrimp
5.5G Fluval Chi - Pumpkin shrimplets
10G - CRS/CBS
10G - Red Rilli's
10G - Yellow shrimp
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