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Use a PID for your RIMS temperature, not hysteresis. You can set custom update intervals for you temp sensors using OneWireAdvanced plugin https://github.com/jangevaare/cbpi-OneWireAdvanced There are a lot of options in the PIDs included in the CascadeControl plugin. I don't recommend the...

The Canadian Homebrewers Association is conducting a survey of Canadian homebrewers. This survey collects demographic information, some basics on how you brew, as well as some questions about the direction of the CHA if you're a member, or what you would want to see in the CHA to join in you are...

I use a cascade PID algorithm I wrote to dynamically set the temperature of my RIMS set point based on my mash target. The aggressiveness can be tuned, and I am brewing in my garage so cold days get a greater delta than warm days as it adjusts for thermal loss, recirc speed, etc. I'm sure...

Yeah the base chugger pumps are stupid loud, really upsets brew day zen. I expect the TEFC options - chugger max, chugger mini-max, blichmann riptide, etc are much better. DC pumps are very quiet as well. The noise wasn't the main reason I got rid of my chugger pumps, but I was so happy when...

You can run fermentrack in a docker container on a desktop computer if you like.

I have a couple spare here to play around with, not super desperate. I was intending to get a bunch of people from my homebrew club running with some of these great ESP32 projects, so bulk discount is ideal

By this I take it you plan on doing hardware PWM only, running high frequencies similar to switching power supplies - is that correct? Because I don't believe hardware PWM is implemented in CBPi through any current plugin (not to say that couldn't be done... but I also wouldn't recommend anybody...

Has the lolin aliexpress store closed up? Any other recommended sources for ESP8266?

It's also possible to get variable voltage output using the pi's PWM and a very basic circuit.

I ordered these ones (haven't yet tested): https://www.aliexpress.com/item/32315087872.html

Have you confirmed you have an internet connection? It's hosted on github - which is up, and the current YAML on there is valid.

Looks good. If memory serves me right, you can run the craftbeerpi extension board at either 5V or 12V. If you do power the CBPi board with 5V, the adjustable voltage step down module (which goes on to power the pi itself @ 5V) is not necessary. All outputs from the board would be at 5V in this...

Much better. This will do it @failbeams You can just ignore my comment about the switch if you want. In general, I avoid having switches control loads directly. Just less separation to user from load current. So you could just as easily have your pump switch bypasses on the "GPIO" facing side...

Do not use those switches like that on the elements. If you want to put in a bypass for the SSRs, do that with a properly rated contactor. Configuring the switches like that is fine for pumps, but you could just as easily use that sort of design for the low voltage control signals to the relay...

Also no downside to using 240v pumps except that they are maybe a bit less common in North America. The ones that are 240v are common dual voltage. In my opinion, the basic chugger pump isn't terribly suitable for a brewing environment, and is quite noisy as the motor is not enclosed at all. A...

When I talk about relay modules for pumps, I mean something like this: https://www.amazon.ca/SunFounder-Channel-Shield-Arduino-Raspberry/dp/B00E0NTPP4 If you wanted to do it proper you would have a fuse or breaker to go down to the 10amp load rating of the relay modules, but for just running a...

Looks good, where are the parts from?

@failbeams -I don't think it actually matters, but you have some of your contactors "backwards" - In the case of a DPDT contactor (even though only DPST is necessary here), the two positions for each pole are usually on the "load side" - so closest to element outputs. Your master power relay is...

To provide a bit more explanation, how I understand it anyways: the issue with using the Pi is that it runs a full featured OS without priority in terms of resources to software loops polling its GPIO. The variances are very small in practice, and certainly fine for brewing beer and distilling...

Can you describe the set up you're using in a bit more detail? I've done tests where pulsing isn't noticeable until like 4-5 second period lengths (e.g. visible oscillation in boil vigour). There is quite a bit of thermal inertia to most heating elements that are used for these applications that...