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WHO USED ALL THE HOT WATER!!! Need a simple temperature data logger ** UPDATE **
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tautech:

--- Quote from: Brumby on August 22, 2023, 03:38:18 am ---
--- Quote from: tautech on August 22, 2023, 01:50:05 am ---
--- Quote from: Brumby on August 22, 2023, 12:47:04 am ---
--- Quote from: ledtester on August 21, 2023, 06:22:48 pm ---Install a instant hot water electric shower head like this one:

--- End quote ---
Love the wiring!  <<shudder>>  but, no.

1. Situation prevents plumbing alterations.  (No, you don't need to know why.)
2. Same for electrical
3. Instantaneous water runs at full electrical tariff, so it will cost far more to run
4. Doesn't address the problem of the shower hog, in fact, it enables them


I will repeat my plea to all - Changing the hot water system is not a solution here!

--- End quote ---
55 replies and these 2 facts weren't included in the OP.  :-//

--- End quote ---

The brief was clear - a monitoring solution.  As such, all the behind-the-scenes details, constraints and reasons that had no bearing on providing a monitoring solution were irrelevant.

If you consider the fact that this is an Electronics forum, then asking for help about monitoring here is reasonable.  People suggesting changes to the plumbing were reading past the stated objective and inserting their own objectives.

Asking plumbing questions here is a bit off-topic, I would have thought.


--- End quote ---
:-DD
Really, so you think we aren't smart enough to offer a wide range of solutions.


--- Quote ---Next time I'll just say I need to monitor the flow of water from a hot water system and leave out any other details so people can focus on the declared objective.
--- End quote ---
Insert plumbing flow meter is the cheapest solution and yes, it involves simple plumbing.
Even a flow switch like this one can provide what you want:
https://www.aliexpress.com/item/32848774229.html?

I used a 2" version for pump suction loss sensing in conjunction with a $2 timer to kill the power to a $ $ 3ph pump for dry run protection.
There are simple and cheap solutions for all manner of problems some think are hard.  ::)

I'll grab my hat and you won't hear from me again.
Brumby:

--- Quote from: tautech on August 22, 2023, 04:48:52 am ---Really, so you think we aren't smart enough to offer a wide range of solutions.
--- End quote ---
I was open to a wide range of solutions - to the problem: Monitoring.  I doesn't help it if you want to define your own problem and offer solutions for that.


--- Quote ---I'll grab my hat and you won't hear from me again.

--- End quote ---
If it's your plumber's hat, then fine, but you will always be welcome if you're wearing your EE hat.
themadhippy:

--- Quote ---Asking plumbing questions here is a bit off-topic
--- End quote ---
Na,ya just need a bigger soldering iron
coppice:

--- Quote from: themadhippy on August 22, 2023, 02:41:32 pm ---
--- Quote ---Asking plumbing questions here is a bit off-topic
--- End quote ---
Na,ya just need a bigger soldering iron

--- End quote ---
Wave guides, where the wave is water are not too far from topic.
floobydust:
We have the technology lol

No turbine flow meter or other plumbings mods, an ultrasonic flow meter would be too much.
How about using nozzle water exit temp? Even then, quite the lag long 2 minutes for some reason.

project at https://www.hackster.io/85779/shower-temperature-sensor-5e13aa
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