Hello following question: i have a water counter that ticks every 0,25 litre. This means if somebody draws water, it will signal 4 times when somebody gets one litre. So now i think of a alert function. if there is a constant flow off let us say 0,25l / minute and this over a timespan of 1h fo…

ip[date=2021-01-16 timezone="Africa/Algiers"]

up[date=2021-01-05 timezone="Africa/Algiers"]

First off a piece of advice: Don't keep posting on the thread to bump it, it won't get you attention any faster and might annoy people so they won't help you out. [image] melrose: what node red subsystems exist that i can use to get the functionality? The short answer is "none". However you…

thank you for your ideas [image] zenofmud: But you haven't told us what you have tried yet, what hardware you are using, what version of NR you have or what node you are using to measure the water flow or how you want an alert (email, LED flashing, message on your phone, bell ringing, popup on …

For input it depends on the sensor you are using. For the calculation you could use a function node. For the output it depends on what you do with it. I would have two flows, one to collect the data and a second (to run at a certain interval) to calculate the usage - probably using a function node …

[image] zenofmud: ds on the sensor you are using. For the calculation you could use a function node. For the output it depends on what you do with it. I would have two flows, one to collect the data and a second (to run at a certain interval) to calculate the usage - probably using a function n…

Big thank yous for all for asking me lot of questions on details on my algorithm in Mails. I have more idea to build in and when i finish i give it out to you in a combined package. My next idea is a new warning algorithm. I live in a wealthy residence. The number of water taping locations is lim…

question: a toilet flush has a known flow of water in a known period of time, dish washer, washer maschine etc. has a somehow known pattern; now i want to go to the data over a past timespan and find out what has happened, e.g. a bar chart with colors for 2x flushing, 1 shower, washer. How can I…

Are you able to define exactly how to tell the different event apart?

no, off course not. Nobody could tell how long somebody flushes. Im thinking of something adaptive like a kalman filter

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Water alert notify

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melrose 16 January 2021 14:13 7

with your help now i have made the flow thank you very much

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Topic		Replies	Views
Wasserstandswarnung General	11	1092	25 January 2021
Calculating water flow rate from water meter General	20	5723	19 October 2019
YF-S201 Water Flow Sensor - Help with Require General	80	4277	25 August 2020
Notification from node red General	56	1671	4 May 2021
Help with a water sensor flow General	6	1123	21 June 2021

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Water alert notify

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