Regulator test rig you don't need to suck.

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Scubatools, you can order the mouthpieces and tubing with plugs separately.

Sweet! I had just reached out to them about it as I didn't find the parts individually on their site (just the replacement bands)...

Hopefully they respond.

Links?
 
I messed up finding an adhesive that would work with the "bubbler", but the build went well otherwise.

PXL_20210509_202402777.jpg


The box is gasketed, so port on "bottom" is air exhaust off pump. top left side is power port. The bottom left side is the tubing vacuum line connection. Front left is the "bubbler"/balancer, and front right is the speed control.
 
I messed up finding an adhesive that would work with the "bubbler", but the build went well otherwise.

View attachment 658125

The box is gasketed, so port on "bottom" is air exhaust off pump. top left side is power port. The bottom left side is the tubing vacuum line connection. Front left is the "bubbler"/balancer, and front right is the speed control.
Nice, does your pump use 0-12 volts or needs a PWM signal?
 
PWM? No idea... It is this one:

https://www.amazon.com/gp/product/B0786BQYKM/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1

I have run it with 6v and 9v transformers. I also have a 12v I haven't tried....

Using this speed controller:

https://www.amazon.com/gp/product/B07MK1SKRT/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
Your motor only needs a variable DC power supply. The controller you have is for a motor that needs a PWM output. Have you tried it?
 

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