water meter

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dulka
Posts: 11
Joined: Friday 02 March 2018 0:12
Target OS: Raspberry Pi
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water meter

Post by dulka » Friday 08 June 2018 12:00

I would like to connect an instant water flow meter to the hall effect, someone can help me do it. I saw that a water flow meter already exists in the menu but I do not know how to connect it. Thank you

D'rMorris
Posts: 315
Joined: Thursday 01 May 2014 9:01
Target OS: Raspberry Pi
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Location: Netherlands - Sittard
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Re: water meter

Post by D'rMorris » Friday 08 June 2018 12:21

before we start giving suggestions, it would help that we know what type of water meter you have and with which device you want to measure this.
That helps in giving correct suggestions and others might even give better solutions to your problem.

dulka
Posts: 11
Joined: Friday 02 March 2018 0:12
Target OS: Raspberry Pi
Domoticz version:
Contact:

Re: water meter

Post by dulka » Saturday 09 June 2018 12:10

You're right, my domoticz is installed on Raspberry PI3 and as a sensor I would like to use a hall effect that produces pulses that increase in frequency as the flow increases like this: https://www.amazon.it/filettatura-effet ... flow+meter

Thank you

dulka
Posts: 11
Joined: Friday 02 March 2018 0:12
Target OS: Raspberry Pi
Domoticz version:
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Re: water meter

Post by dulka » Friday 15 June 2018 18:12

A help at least starting then I try to understand by myself, thanks

mvzut
Posts: 448
Joined: Thursday 12 November 2015 11:55
Target OS: Raspberry Pi
Domoticz version: Beta
Location: The Netherlands
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water meter

Post by mvzut » Monday 18 June 2018 9:33

I would install ESPEasy on a NodeMCU, connect the sensor to one of its GPIOs, and set up ESPEasy in such a way that it sends the data to Domoticz. You can use the device type "Pulse Counter" for this. You can even assign a formula to calculate how many litres a single pulse is. There are guides to explain the steps in detail, I think the ESPEasy website also has some info.

I did this with an optical contrast sensor (TCRT-5000) on my "classic" water meter, works perfectly.
Raspberry Pi 3 - RFXtrx433 - Aeon Z-Stick gen5 - Opentherm Gateway - P1 smart meter - Netatmo - Philips Hue - ELV Max! - ESP8266 DIY water meter - Xiaomi Gateway - Sonos - IP cameras - Wall mounted tablet + Imperihome - Alexa - MANY switches/sensors

dulka
Posts: 11
Joined: Friday 02 March 2018 0:12
Target OS: Raspberry Pi
Domoticz version:
Contact:

Re: water meter

Post by dulka » Saturday 23 June 2018 21:43

as soon as I can try, thank you

dulka
Posts: 11
Joined: Friday 02 March 2018 0:12
Target OS: Raspberry Pi
Domoticz version:
Contact:

Re: water meter

Post by dulka » Tuesday 26 June 2018 22:21

Resolved, this site has been very helpful: https://www.letscontrolit.com/wiki/index.php/ESPEasy explains how to use ESP8266. Recommended for everyone

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