Working with your lovely hardware DSMR-logger v4.5 and home assistant in 2026 screams ESPHome.
Struggling to find a good example, I've been sweating about it and thought it would be nice to share my working situation:
dsmr-logger-esphome.yaml
substitutions:
name: dsmr-reader
friendly_name: DSMR Reader
esphome:
name: ${name}
esp8266:
board: d1_mini
api:
encryption:
key: "password"
ota:
- platform: esphome
password: "password"
wifi:
ssid: !secret wifi_ssid
password: !secret wifi_password
min_auth_mode: WPA2
# Enable fallback hotspot (captive portal) in case wifi connection fails
ap:
ssid: "Dsmr-Logger Fallback Hotspot"
password: "password"
captive_portal:
logger:
# Serial logging is disabled by setting the logger baud rate to 0.
# Otherwise the logger will occupy the hardware UART, making it unavailable
# for receiving smart meter data on pin D7 (GPIO13).
baud_rate: 0
level: VERBOSE
uart:
rx_pin: GPIO13
baud_rate: 115200
output:
- platform: gpio
pin: GPIO12
id: request_data
interval:
- interval: 30s
then:
- output.turn_on: request_data
- delay: 500ms
- output.turn_off: request_data
sensor:
- platform: dsmr
energy_delivered_tariff1:
name: ${friendly_name} Energy Delivered Tariff 1
state_class: total_increasing
energy_delivered_tariff2:
name: ${friendly_name} Energy Delivered Tariff 2
state_class: total_increasing
energy_returned_tariff1:
name: ${friendly_name} Energy Returned Tariff 1
energy_returned_tariff2:
name: ${friendly_name} Energy Returned Tariff 2
power_delivered:
name: ${friendly_name} Power Consumed
power_returned:
name: ${friendly_name} Power Returned
electricity_failures:
name: ${friendly_name} Electricity Failures
electricity_long_failures:
name: ${friendly_name} Electricity Long Failures
voltage_l1:
name: ${friendly_name} Voltage L1
voltage_l2:
name: ${friendly_name} Voltage L2
voltage_l3:
name: ${friendly_name} Voltage L3
current_l1:
name: ${friendly_name} Current L1
current_l2:
name: ${friendly_name} Current L2
current_l3:
name: ${friendly_name} Current L3
power_delivered_l1:
name: ${friendly_name} Power Delivered L1
power_delivered_l2:
name: ${friendly_name} Power Delivered L2
power_delivered_l3:
name: ${friendly_name} Power Delivered L3
power_returned_l1:
name: ${friendly_name} Power Returned L1
power_returned_l2:
name: ${friendly_name} Power Returned L2
power_returned_l3:
name: ${friendly_name} Power Returned L3
gas_delivered:
name: ${friendly_name} Gas Delivered
text_sensor:
- platform: dsmr
identification:
name: ${friendly_name} Identification
p1_version:
name: ${friendly_name} Version
Working with your lovely hardware DSMR-logger v4.5 and home assistant in 2026 screams ESPHome.
Struggling to find a good example, I've been sweating about it and thought it would be nice to share my working situation:
dsmr-logger-esphome.yaml