Hello! How can you monitor the water that arrives in your house? What if a leack happend?
With a water meter you can count live how much water is being used and fastly detect leackage!!
Hardware
- yf-DN40 Water meter (aliexpress link)
Esphome configuration
The configuration was really simple, I followed a github repo to get the esphome configuration that I nedded
I used a spare esp8266 nodemcu that I have running on my desk
substitutions:
device_name: water-meter
esphome:
name: ${device_name}
platform: ESP8266
board: nodemcuv2
wifi:
ssid: !secret wifi_ssid
password: !secret wifi_password
domain: !secret wifi_domain
ap:
ssid: ${device_name} Hotspot
password: !secret hotspot_password
logger:
api:
ota:
web_server:
sensor:
- platform: pulse_counter
pin: D5
unit_of_measurement: 'L/min'
accuracy_decimals: 1
update_interval: 1s
name: 'Water Meter House'
filters:
- lambda: return (x / 27.0);
total:
unit_of_measurement: 'L'
name: 'Water Meter Total'
accuracy_decimals: 1
filters:
- lambda: return (x / 27.0);
The /27 part is magic. I’ll calibrate that when the meter is in place ;)
For any question come in the telegram channel