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Device Type:misc
Electrical Standard:eu
Board:esp8266

Orno Triple-Phase Energy meter OR-WE-520

GPIO Pinout

PinFunction
GPIO15Input (HIGH = pulse)

Connection

Pull's D8 high on pluse from energy meter (800 per kilowatt)

  • Connect S0+ to 3.3
  • Connect S0- to D8
esphome:
name: energy_meter

esp8266:
board: nodemcuv2

# Enable logging
logger:

# Enable Home Assistant API
api:

ota:
password: "xxxxxxxxxxxxxxxxxxxxxxxxxxxxx"

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

# Enable fallback hotspot (captive portal) in case wifi connection fails
ap:
ssid: "Fallback Hotspot"
password: "xxxxxxxxxxxx"

captive_portal:

sensor:
- platform: pulse_meter
pin: D8
unit_of_measurement: "kW"
name: "Active Power"
internal_filter: 100ms
accuracy_decimals: 3
id: orno_we_520_active_power
filters:
- multiply: 0.075 # 800 pulses/kW
total:
name: "Active Energy"
id: orno_we_520_power_active_energy
unit_of_measurement: "kWh"
accuracy_decimals: 3
filters:
- multiply: 0.00125

- platform: total_daily_energy
name: "Daily Energy"
power_id: orno_we_520_active_power