anyone tried to using Jebo WP40?

lauterbrunnen said:
you need this to sync if more than one is installed right?
Click to expand...

No, you don't. I have two WP40s in my 92g tank (both dialed down). One runs on W1 and the other on ELSE. I have excellent and random flow pattern from such mixed modes. There is no need to sync just because you have more than one pumps.
 
Skinnysloth said:
I got the same response. Given the response and price, it looks like it's the rubber stopper on the impeller rather than a whole new plastic housing/casing.
Click to expand...

Correct. I received two stoppers today. I assume one for each end of the impeller. I don't have noise issues but will see if these make any noticeable difference since my Apex is kicking it off and on frequently.
 
Received all of my RA stuff, including the Jebao cables. Tonight, both WP40s get wet and custom profiles to randomize and dial them back.
 
rrasco said:
Received all of my RA stuff, including the Jebao cables. Tonight, both WP40s get wet and custom profiles to randomize and dial them back.
Click to expand...

Awesome. I got my RA a couple of weeks ago, I just haven't had the time to set it up and mess with it.
 
Me neither. I've had the RA for a few weeks, just got my wifi attachment, my dimming expansion, and my jebao cables. The connectors I ordered to build my own cables didn't fit so I bit the bullet and bought RA's. I was really going to wait until I re-built my sump to hook up the RA, but I need these Jebaos dialed back so it's happening tonight, hopefully.
 
Anybody have any thoughts on whether the wp40 @ 12volts could be heating up a 90 gallon tank. I have been dealing with a 1.5-2 degree temperature drop overnight in my 90gal. With 30 gal. Sump. 110 gal. Total. I have 2 300 watt heaters so I don't think that's the problem. Led lights, so they shouldn't be adding too much daytime heat.
 
dougdstecklein said:
Anybody have any thoughts on whether the wp40 @ 12volts could be heating up a 90 gallon tank. I have been dealing with a 1.5-2 degree temperature drop overnight in my 90gal. With 30 gal. Sump. 110 gal. Total. I have 2 300 watt heaters so I don't think that's the problem. Led lights, so they shouldn't be adding too much daytime heat.
Click to expand...

Ron Reefman did a test a couple of pages back.
He put the pump in a 5 gallon bucket of water, ran it at 24 v and then ran it again at 15 v and there was about a 1 degree difference.

I'm not 100% sure of the numbers but go back about 2 -3 pages and you should find it.
 
Update. Got a starter kit for my arduino. And things are starting to make sense. At this point i want to make a low pass filter to convert PWM to 0-10 analog and a PWM to 0-5 analog. I understand its a resistor and a capacitor. For each filter i want to create a true analog sine wave. Or at least as close as possible. I am just asking for advice for the ohm value and uf value needed for each filter.

Thank you in advanced.
 
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