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Old 01/14/2020, 10:42 AM   #51
jwalker314
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I am trying to adapt the control for my carbon Doser to the 0-10v output on the Apex. It seems it might be best to just make a new one from scratch that does this. Is it possible to adapt your circuit to be controlled via 0-10v signal instead of a potentiometer?


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Old 01/16/2020, 01:27 AM   #52
bettatail
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besides the Clippard mouse, there is another good one.

ASCO/numatics miniature solenoid, it is full FR 430 stainless steel structure, the low power consumption model only use 0.65 watt.




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Old Yesterday, 08:16 PM   #53
theatrus
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Originally Posted by bettatail View Post
besides the Clippard mouse, there is another good one.

ASCO/numatics miniature solenoid, it is full FR 430 stainless steel structure, the low power consumption model only use 0.65 watt.



Whatís the size of the orfice? The Clippard is nice as it has a whole range and they are all tiny


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Old Yesterday, 08:18 PM   #54
theatrus
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Originally Posted by jwalker314 View Post
I am trying to adapt the control for my carbon Doser to the 0-10v output on the Apex. It seems it might be best to just make a new one from scratch that does this. Is it possible to adapt your circuit to be controlled via 0-10v signal instead of a potentiometer?


Youíre better off making a new product for this - the 555 timer is not for voltage control. Simplest would be a tiny microcontroller with an A/D. Itís possible to do without any code but itís a harder exercise.


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Old Yesterday, 08:18 PM   #55
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Theatrus, thanks for posting this!!! I put it together using the BOM and boards and the toughest thing about it was sourcing the Clippard valves. Working for months now without issue and that's saying something since I have ZERO experience working with circuit boards. I do have a question though. My tank is really starting to take off and my calcium reactor is having some trouble keeping the PH down in my CaRX. With the rate cranked as far as it can go I wanted to know if there is some modification I can make to allow for the valve to stay open longer to allow for more CO2. Appreciate the help



Nevermind, I figured it out


No worries. What value resistor did you move to?


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