In Belgie (Antwerpen) webhebben we have digitale watermeters from Kamstrup, the Multical 21. now, in stead of DIY solutions, I’ve found the MC21 Pulse Adapter :slight_smile: [image] MC 21 Impuls-Adapter Zubehör für Multical 21 Der Multical 21 verfügt standardmäßig über ein integriertes…

[image] Stefan_U: It sends “pulses” through the attached wire… Well, I don’t know a lot about electrity… but is there a way to “convert” those pulse into something else that Home assistant can work with? Wild guess: like connecting to an open-close sensor or something else that can send zigbee …

First of all, thank you very much for your answer. Now, I will have to take some time to think about what I can/should do. ESPHome is totally new to me… But, I see the name more and more appearing in HA… Ignored it so far, but maybe it’s time to have a look at it… thanks!

[image] Stefan_U: ESPHome is totally new to me… But, I see the name more and more appearing in HA… Ignored it so far, but maybe it’s time to have a look at it… You can look at Espressif ESP32 and ESP8266/ESP8266 modules as a less expensive alternative to Arduino with built-in WiFi (and someti…

Wow, this is a complete answer. Thanks for the info. A lot to think about and to read. Thanks again!

Hi Stefan, Have you find a way to read data from Multical21? I have the same water mater and I’d like to export the data to Home Assistant. Thanks.

[image] Stefan_U: pulses” through the attached wire… Well, I don’t know a lot about electrity… but is there a way to “convert” those pulse into something else that Home assistant can work with? Wild guess Same here. Did you find a solution?

See also my solution here: [image] Support for reading Multical 21 water meters Feature Requests Here is my config for wmbusmeters and HA sensor: /etc/wmbusmeters.conf loglevel=normal # Remember to change auto here to the device you are going to use in production. devi…

There are many inexpensive counters that translate pulses to Modbus and those can be read in Home Assistant. I use Pulse counter MB-LI-4 Lo to read gas meter pulses and a RS485 to TCP convertor (because of the distance) although you can also us a 3€ USB → RS485 convertor if your meter is close to yo…

You can use this gateway too for Water-Link meters in Belgium. They are all Kamstrup Multical 21 / FlowIQ water meters. [image] Kamst-IR Gateway voor Kamstrup Multical meters - SmartGateways.nl Maak energieverbruik van stadsverwarming inzichtelijk! Vattenfall, Eneco, Nuon en Essent. Via…

Waterlink Kamstrup Multical 21 (digital watermeter, Belgium?) and MC241 pulse adapter

Configuration Zigbee

abecedarian January 20, 2023, 11:41am 9