this post was submitted on 07 Apr 2026
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I can see having a single node in the whole machine, but one per mix makes me think this photo is doctored. Then again an esp32 is pretty damn cheap.
Very odd, I'd have thought it's a single system too, surely there's a lot of shared signals, like temperature, cleaning and whatnot.
The only reason for those to be individual with another 'parent' system is that it would be fully modular?
I'd be interested in the actual answer/reason...
Just read through the installation and operations manual, and it looks like you’re right on the modular part. They offer 2, 3, and 4 dispenser models, along with a 1 and 2 dispenser “Multi-Flavor”. From what I can tell they have some other modules in the machine that control different things, as well as a parent module to tie them all together. The machine also tracks how often each dispenser is used, so the owner can know which flavors are popular and overall how profitable the machine is.
The machine has to manage electricity to solenoids, motors, sensors of all sorts, etc, as well as CO2, N2, compressed air, refrigerant, water, and syrup. A lot more complex than I ever thought while getting a slushy.