ESPHome - water pulse meter

Description:

Tutorial for reading water meter pulses with cable reed contact using ESP8266 and ESPHome.

Required knowledge:

Home Assistant: YTB

ESPHome: YTB

Soldering: YTB

Components:

Water meter: ENBRA DE-13-MI001-PTB002 with 2-wired reed sensor. ( 1l = 1 pulse )

and

ESP8266 AC 1ch relay: Ali

USB/TTL programmer (set): Ali

or

WemosD1 mini: Ali

AC/DC Power supply: Ali

Schema - Wemos D1 mini:

Schema - ESP8266 AC:

ESPHome code:

esphome:
  name: home-water-pulse-meter
  
esp8266:
  board: esp01_1m
  
logger:
api:
captive_portal:

ota:
  password: "4ddc5ac48879ecc7d06a3c031e497e8d"

wifi:
  networks:
  - ssid: !secret wifi_ssid
    password: !secret wifi_password

time:
  - platform: sntp
    id: my_time

sensor:
  - platform: pulse_meter
    pin:
      number: GPIO5
      mode: INPUT_PULLUP
    unit_of_measurement: 'pulse'
    name: 'water_pulse_meter'
    icon: 'mdi:water'
    internal_filter: 100ms # shut down and monitor the log if there are problems
    filters:
      - multiply: 0.5 # shut down and monitor the log if there are problems
    total:
      name: 'water_pulse_meter_total'
      icon: 'mdi:water'
      unit_of_measurement: 'l'
      id: total
      filters:
      - multiply: 0.5 # shut down and monitor the log if there are problems

  - platform: total_daily_energy
    name: "water_pulse_meter_daily"
    power_id: total  
    unit_of_measurement: l

Tips:

In case of a problem with reading data from the sensor, disable filters/multiply and internal_filter in the program and check the log.