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substitutions:
device_name: printerswitch
friendly_name: "Printer Switch"
current_resistor: 0.0007978220592127652
voltage_divider: 4422.084168336673
# max power is 3450W for 15A and 2300W for 10A
max_power: "3450"
esphome:
name: ${device_name}
friendly_name: ${friendly_name}
esp8266:
board: esp01_1m
# Enable logging
logger:
# make RXD / TXD available
baud_rate: 0
# Enable Home Assistant API
api:
encryption:
key: !secret api_encryption_key
# OTA
ota:
- platform: esphome
password: !secret ota_password
# WiFi Credentials
wifi:
domain: .lan
ssid: !secret wifi_ssid
password: !secret wifi_password
# see https://github.com/esphome/issues/issues/1532
power_save_mode: HIGH
# Enable fallback hotspot (captive portal) in case wifi connection fails
ap:
ssid: "${device_name} Hotspot"
password: !secret wifi_ap_password
captive_portal:
binary_sensor:
- platform: gpio
name: "Button"
device_class: power
pin:
number: GPIO1
inverted: true
on_press:
- switch.toggle: relay
internal: true
sensor:
- platform: hlw8012
model: BL0937
sel_pin: GPIO12
cf_pin: GPIO4
cf1_pin: GPIO5
current_resistor: ${current_resistor}
voltage_divider: ${voltage_divider}
voltage:
id: voltage
filters:
- skip_initial: 2
power:
id: power
internal: true
filters:
- skip_initial: 2
on_value:
then:
# calculate current through P=U*I
- lambda: id(current).publish_state(x / id(voltage).state);
# idle power down. <5W
- if:
condition:
for:
time: 5min
condition:
and:
- switch.is_on: relay
- lambda: return id(power).state < 5.0;
then:
- logger.log: "idle power down"
- switch.turn_off: relay
on_value_range:
- above: ${max_power}
then:
- switch.turn_off: relay
energy:
id: energy
internal: true
update_interval: 1s
initial_mode: "VOLTAGE"
change_mode_every: never
- platform: template
id: current
accuracy_decimals: 3
update_interval: never
internal: true
# templates sensors for the ui. we only update the sensor on relay events or through interval
# but only if switch is on. this way we don't push updates without changes to frontend
- platform: template
name: "Current"
id: current_ui
unit_of_measurement: "A"
accuracy_decimals: 3
icon: "mdi:flash-outline"
update_interval: never
- platform: template
name: "Voltage"
id: voltage_ui
unit_of_measurement: "V"
icon: "mdi:flash-outline"
update_interval: never
- platform: template
name: "Power"
id: power_ui
unit_of_measurement: "W"
icon: "mdi:flash-outline"
update_interval: never
- platform: template
name: "Energy"
id: energy_ui
unit_of_measurement: "Wh"
icon: "mdi:flash-outline"
update_interval: never
switch:
- platform: gpio
name: "Relay"
id: relay
pin: GPIO14
on_turn_on:
- output.turn_on: led
- lambda: id(current_ui).publish_state(id(current).state);
- lambda: id(voltage_ui).publish_state(id(voltage).state);
- lambda: id(power_ui).publish_state(id(power).state);
- lambda: id(energy_ui).publish_state(id(energy).state);
on_turn_off:
- output.turn_off: led
- lambda: id(current_ui).publish_state(0.0);
- lambda: id(voltage_ui).publish_state(0.0);
- lambda: id(power_ui).publish_state(0.0);
- lambda: id(energy_ui).publish_state(0.0);
output:
- platform: esp8266_pwm
id: led
pin: GPIO13
- platform: gpio
id: unused_gpio0
pin:
number: GPIO0
mode: INPUT_PULLUP
- platform: gpio
id: unused_gpio2
pin:
number: GPIO2
mode: INPUT_PULLUP
- platform: gpio
id: unused_gpio3
pin:
number: GPIO3
mode: INPUT_PULLUP
- platform: gpio
id: unused_gpio15
pin:
number: GPIO15
mode: INPUT_PULLUP
- platform: gpio
id: unused_gpio16
pin:
number: GPIO16
mode: INPUT_PULLDOWN
interval:
- interval: 10s
then:
- if:
condition:
switch.is_on: relay
then:
- lambda: id(current_ui).publish_state(id(current).state);
- lambda: id(voltage_ui).publish_state(id(voltage).state);
- lambda: id(power_ui).publish_state(id(power).state);
- lambda: id(energy_ui).publish_state(id(energy).state);
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