I am setting up, hopefully, three flowmeters on my controller.  Two are setup using counter inputs on ports 2 and 3 in BruControl.  Is the the correct way to start?  Are there any more counter inputs?

I will have to calibrate the flowmeters but I'm not sure where to start.  When pour a cup of water through to test them, BruControl counts between 100 and 150 "units" of measurement.  How do i translate that into a volume of liquid?

Thanks in advance?

Mike

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Had it up and running in no time, it took the brucontrol firmware without any issues.

Very useful for adding brucontrol control to existing circuits.

I added it into our effluent pH treatment panel so now brucontrol can monitor pH levels and give improved control over the dosing pump that is there which currently only has hysteresis type control (which often overshoots) I'm hoping with a bit of fiddling with PID settings I can gain much better control of the pH of our wastewater.

Only fiddly bit of this install was stringing a few resistors together to get the correct value for voltage divider from 10 to 3.3v with the resistors i had available to hook up the pH sensor

My plan for the other one is to monitor/control temp and humidity in our grainstore

The fan I want to control is a wall mounted extraction fan which currently runs through a basic controller with triac and potentiometer for manual speed control.

Ive seen robotdyn do an AC dimmer module but not sure about the wiring/scripting that would be required to get this working in brucontrol, the module uses two ports on the microcontroller, one for zero crossing and one for the pwm control. I don't really understand how the zero cross input would work and be configured within brucontrol.

Is there a simple way of achieving this speed control with this module or another method, without too much complicated scripting or expensive hardware being needed?

I am reading that a 12V power supply is preferred and I should wire it to the base boards VA screw terminal (leaving VB alone for now) Is there power from VA up to the riser board? or would I just wire another connection from the 12V power supply to VS? Or up from one of the VA terminal blocks?

Similar to that query if I want to give 5V to the RTD amplifier would you suggest wiring a 5V power supply directly to it, or through the VB screw terminal?
I think you say in this video that the VR switch selection isn't able to power both the Arduino board and the RTD amplifier with 5V at the same time through the riser board?

Or is there another style of din rail switch/coil that would work similarly to a 3 position dial with RIMS on, off, and BK on? Still controlled by the Arduino I'd guess but slightly less likely to trip a circuit breaker if I program the software incorrectly

Is this per RTD Amplifier or total the software can keep track of - as all the Arduino boards list 4 as the maximum?

I don't think I need more than 4 for my system but if I hook my keezer or a fermentation fridge up to the interface i'd like to know if i'll need a different style of temperature probe or just another Amplifier board?

I have a fairly straight forward build in mind to start with; HWT, RIMS, and BK elements, 3 RTD probes, and a chugger pump 

I count 1 I/O for each element, 3 for the probes and 1 for the pump so 7 total...

Other than future proofing/not having to rebuy the UniShield part is there another reason to go with the Mega over the ESP32?

Or am I missing some other part that needs I/O control?

It was my, likely naïve, initial understanding that matching voltage to a device was the important part and as long as one didn't exceed the max load for the power supply (and wire size) in current draw, all should be OK. Well, one pump I've fried already :P It became quite hot when feeding it directly from the power supply and seized within several minutes of running. I experimented with adding an 8ohm/50w resistor to limit the current down around 1.5a, and this seems to work but I'm realizing YMMV when learning electrical engineering from youtube ;) What I don't understand is; 1. Why does the pump still function under far less than it's rated 12v? I measure the voltage across the resistor at 5v. 2. What would explain the first pump frying when being fed its rated voltage? It seems obvious there was too much current, but I don't understand the mechanics of why the device would draw more than it 'needed'. After all, I have the ESP32 feeding off the same power supply with only a voltage regulator 12v->5v but no current limiting resistor and it's fine.

As a follow on question, when I wire the heater, is it possible it will become hotter than designed given a 12v 10a power supply vs the factory 12v 8a supply?       

Thanks in advance!

I have been brewing 10gallon for a while with a 3 tier gravity system with a large cooler as the mash middle tier.  Working now on switching to a horizontal 3 vessel HERMS electric system (15-20gallon vessels).  I am planning to buy the uniflex and just use one heater element at a time.

1. I see that the recommended (2 included) Temp sensors are the headphone jack type.  I will want to have temp sensor in all three vessels.  Only two inputs so I just need a headphone splitter?
2. I don't plan on my first iteration including any flow control automation other than the pumps themselves.  I will shift hoses as needed and control output flow via ball valve handle for sparging.  So, I don't think I will need the I/O right now.  But, I would like to use the system for fermenting and use a tilt to decide when to turn on hydro pump that drives cold water through coils in fermenter or heating bar that wraps fermenter inside neoprene jacket.   Fermenter has a thermowell that I use now with an inkbird, but I like the idea of tracking the wort gravity and the better precision on the temp.  Do I need the Uniflex I/O in order to have tilt as an input driving the 12v outputs?
3. It looks like there is a new version of the uniflex coming out.  Is that available now?
4. Is there a thread somewhere detailing what automation sensors/components that people have purchased and where they purchased them?  Also, is there a thread detailing how to wire them in.  Soldering is not in my skill set so hopefully uniflex v2 makes that easier.

Thanks for the help.  My vessels are ordered from Stout.  Look fwd to getting a uniflex and start playing with the scripts.

Cheers, Swan