ESPHome-Devices

AWP04L Power Monitoring Plug

AWP04L Power Monitoring Plug

These devices come with different brands, but all have AWP04L serial number on the back sticker. FCC-ID is 2ANOO-SM800.

This template has been updated with "comment:" and "captive_portal:" feautures added in ESPHome v. 1.14

GPIO Pinout

PinFunction
GPIO0Status LED - Red (inverted)
GPIO3sel_pin hlw8012 (inverted)
GPIO5cf_pin hlw8012
GPIO12Relay
GPIO13Button (inverted)
GPIO14cf1_pin hlw8012
GPIO15Status LED - Blue (inverted)

Basic Configuration

# Basic Config
substitutions:
device_name: awp_plug
device_description: Energy Monitoring Smart Plug with button, blue LED, and red LED.
friendly_name: AWP04L Plug
esphome:
name: ${device_name}
comment: ${device_description}
platform: ESP8266
board: esp01_1m
esp8266_restore_from_flash: true #writes each state change to flash for switch or light with restore_mode: RESTORE_DEFAULT_OFF/ON, see https://esphome.io/components/esphome.html#esp8266-restore-from-flash
wifi:
ssid: !secret wifissid
password: !secret wifipass
fast_connect: on #we only have one WiFi AP so just use the first one that matches
ap: #since we listed an SSID above, this AP mode will only enable if no WiFi connection could be made
ssid: ${friendly_name}_AP
password: !secret wifipass
captive_portal:
# Enable logging
logger:
baud_rate: 0 #disable UART logging since we aren't connected to GPIO1 TX
# Enable Home Assistant API
api:
# Enable OTA updates
ota:
# Enable web server
web_server:
port: 80
# Enable time component for use by daily power sensor
time:
- platform: homeassistant
id: homeassistant_time
binary_sensor:
# Reports when the button is pressed
- platform: gpio
device_class: power
pin:
number: GPIO13
inverted: True
name: ${friendly_name} Button
on_press:
- switch.toggle: relay
# Reports if this device is Connected or not
- platform: status
name: ${friendly_name} Status
sensor:
# Reports the WiFi signal strength
- platform: wifi_signal
name: ${friendly_name} Signal
update_interval: 60s
# Reports how long the device has been powered (in minutes)
- platform: uptime
name: ${friendly_name} Uptime
filters:
- lambda: return x / 60.0;
unit_of_measurement: minutes
# Reports the Current, Voltage, and Power used by the plugged-in device (not counting this plug's own usage of about 0.8W/0.019A, so subtract those when calibrating with this plugged into a Kill-A-Watt type meter)
- platform: hlw8012
sel_pin:
number: GPIO3
inverted: True
cf_pin: GPIO5
cf1_pin: GPIO14
current_resistor: 0.001 #The value of the shunt resistor for current measurement. Defaults to the Sonoff POW’s value 0.001 ohm. Verified on https://fccid.io/2ANOO-SM800/Internal-Photos/Internal-Photos-3601477 that we use "R001" = 0.001 ohm
voltage_divider: 2401 #The value of the voltage divider on the board as (R_upstream + R_downstream) / R_downstream. Defaults to the Sonoff POW’s value 2351. From the pic we use 2x "125" = 2x 1.2Mohm for R_upstream and "102" = 1kohm for R_downstream, so (1,200,000+1,200,000+1,000)/1,000 = 2401
# but those don't fix the measurement values, probably because we actually have a BL0937 chip instead of a HLW8012, (and part variance aswell) so we have to manually calibrate with a known load or a load and a Kill-A-Watt type meter. My values used below will only be +/-10% of yours I think.
power:
name: ${friendly_name} Power
unit_of_measurement: W
id: wattage
filters:
- calibrate_linear:
# Map 0.0 (from sensor) to 0.0 (true value)
- 0.0 -> 0.0 #Need to keep 0 mapped to 0 for when connected device is not drawing any power
- 4054.3 -> 721.2 #Tested using a meter and 722.0W toaster -0.8W from just this plug with toaster off
current:
name: ${friendly_name} Current
unit_of_measurement: A
filters:
- calibrate_linear:
# Map 0.0 (from sensor) to 0.0 (true value)
- 0.0 -> 0.0 #Need to keep 0 mapped to 0 for when connected device is not drawing any power
- 7.4 -> 6.103 #Tested using a meter and 6.122A toaster -0.019A from just this plug with toaster off
voltage:
name: ${friendly_name} Voltage
unit_of_measurement: V
filters:
- calibrate_linear:
# Map 0.0 (from sensor) to 0.0 (true value)
#- 0.0 -> 0.0 #Don't care if 0 reading aligns with 0 real Volts since we won't ever measure that
- 294.7 -> 117.8 #Tested using a meter, value while connected toaster was on
- 321.7 -> 121.6 #value while connected toaster was off
change_mode_every: 1 #Skips first reading after each change, so this will double the update interval. Default 8
update_interval: 10s #20 second effective update rate for Power, 40 second for Current and Voltage. Default 60s
# Reports the total Power so-far each day, resets at midnight, see https://esphome.io/components/sensor/total_daily_energy.html
- platform: total_daily_energy
name: ${friendly_name} Total Daily Energy
power_id: wattage
filters:
- multiply: 0.001 ## convert Wh to kWh
unit_of_measurement: kWh
text_sensor:
# Reports the ESPHome Version with compile date
- platform: version
name: ${friendly_name} ESPHome Version
switch:
- platform: gpio
name: ${friendly_name}
pin: GPIO12
id: relay
restore_mode: RESTORE_DEFAULT_OFF #Try to restore relay state after reboot/power-loss event.
#RESTORE_DEFAULT_OFF (Default) - Attempt to restore state and default to OFF if not possible to restore. Uses flash write cycles.
#RESTORE_DEFAULT_ON - Attempt to restore state and default to ON. Uses flash write cycles.
#ALWAYS_OFF - Always initialize the pin as OFF on bootup. Does not use flash write cycles.
#ALWAYS_ON - Always initialize the pin as ON on bootup. Does not use flash write cycles.
on_turn_on:
- light.turn_on:
id: blue_led
brightness: 100%
on_turn_off:
- light.turn_off: blue_led
output:
- platform: esp8266_pwm
id: red_output
pin: GPIO0
inverted: True
- platform: esp8266_pwm
id: blue_output
pin: GPIO15
inverted: True
light:
- platform: monochromatic
name: ${friendly_name} Red LED
output: red_output
id: red_led
restore_mode: ALWAYS_OFF #Start with light off after reboot/power-loss event.
#RESTORE_DEFAULT_OFF (Default) - Attempt to restore state and default to OFF if not possible to restore. Uses flash write cycles.
#RESTORE_DEFAULT_ON - Attempt to restore state and default to ON. Uses flash write cycles.
#ALWAYS_OFF - Always initialize the pin as OFF on bootup. Does not use flash write cycles.
#ALWAYS_ON - Always initialize the pin as ON on bootup. Does not use flash write cycles.
effects:
- strobe:
- flicker:
alpha: 50% #The percentage that the last color value should affect the light. More or less the “forget-factor” of an exponential moving average. Defaults to 95%.
intensity: 50% #The intensity of the flickering, basically the maximum amplitude of the random offsets. Defaults to 1.5%.
- lambda:
name: Throb
update_interval: 1s
lambda: |-
static int state = 0;
auto call = id(red_led).turn_on();
// Transtion of 1000ms = 1s
call.set_transition_length(1000);
if (state == 0) {
call.set_brightness(1.0);
} else {
call.set_brightness(0.01);
}
call.perform();
state += 1;
if (state == 2)
state = 0;
- platform: monochromatic
name: ${friendly_name} Blue LED
output: blue_output
id: blue_led
restore_mode: ALWAYS_OFF #Start with light off after reboot/power-loss event.
#RESTORE_DEFAULT_OFF (Default) - Attempt to restore state and default to OFF if not possible to restore. Uses flash write cycles.
#RESTORE_DEFAULT_ON - Attempt to restore state and default to ON. Uses flash write cycles.
#ALWAYS_OFF - Always initialize the pin as OFF on bootup. Does not use flash write cycles.
#ALWAYS_ON - Always initialize the pin as ON on bootup. Does not use flash write cycles.
effects:
- strobe:
- flicker:
alpha: 50% #The percentage that the last color value should affect the light. More or less the “forget-factor” of an exponential moving average. Defaults to 95%.
intensity: 50% #The intensity of the flickering, basically the maximum amplitude of the random offsets. Defaults to 1.5%.
- lambda:
name: Throb
update_interval: 1s
lambda: |-
static int state = 0;
auto call = id(blue_led).turn_on();
// Transtion of 1000ms = 1s
call.set_transition_length(1000);
if (state == 0) {
call.set_brightness(1.0);
} else {
call.set_brightness(0.01);
}
call.perform();
state += 1;
if (state == 2)
state = 0;
# Blink the red light if we aren't connected to WiFi. Could use https://esphome.io/components/status_led.html instead but then we couldn't use the red light for other things as well.
interval:
- interval: 500ms
then:
- if:
condition:
not:
wifi.connected:
then:
- light.turn_on:
id: red_led
brightness: 100%
transition_length: 0s
- delay: 250ms
- light.turn_off:
id: red_led
transition_length: 250ms

Note: You will want to exclude the red_led and blue_led lights from your recorder componant, especially if you use the included Throb custom animation, since that would fill your database with the on/off blinking status updates.

Split Configuration

If you have several of these plugs, you may prefer to keep the shared code in one file and only put the device-specific code in the files for each plug.

In plug_common.yaml:

# Common code for AWP04L plugs
esphome:
name: ${device_name}
comment: ${device_description}
platform: ESP8266
board: esp01_1m
esp8266_restore_from_flash: true #writes each state change to flash for switch or light with restore_mode: RESTORE_DEFAULT_OFF/ON, see https://esphome.io/components/esphome.html#esp8266-restore-from-flash
wifi:
ssid: !secret wifissid
password: !secret wifipass
fast_connect: on #we only have one WiFi AP so just use the first one that matches
ap: #since we listed an SSID above, this AP mode will only enable if no WiFi connection could be made
ssid: ${friendly_name}_AP
password: !secret wifipass
captive_portal:
# Enable logging
logger:
baud_rate: 0 #disable UART logging since we aren't connected to GPIO1 TX
# Enable Home Assistant API
api:
# Enable OTA updates
ota:
# Enable web server
web_server:
port: 80
# Enable time component for use by daily power sensor
time:
- platform: homeassistant
id: homeassistant_time
binary_sensor:
# Reports when the button is pressed
- platform: gpio
device_class: power
pin:
number: GPIO13
inverted: True
name: ${friendly_name} Button
on_press:
- switch.toggle: relay
# Reports if this device is Connected or not
- platform: status
name: ${friendly_name} Status
sensor:
# Reports the WiFi signal strength
- platform: wifi_signal
name: ${friendly_name} Signal
update_interval: 60s
# Reports how long the device has been powered (in minutes)
- platform: uptime
name: ${friendly_name} Uptime
filters:
- lambda: return x / 60.0;
unit_of_measurement: minutes
# Reports the Current, Voltage, and Power used by the plugged-in device (not counting this plug's own usage of about 0.8W/0.019A, so subtract those when calibrating with this plugged into a Kill-A-Watt type meter)
- platform: hlw8012
sel_pin:
number: GPIO3
inverted: True
cf_pin: GPIO5
cf1_pin: GPIO14
current_resistor: 0.001 #The value of the shunt resistor for current measurement. Defaults to the Sonoff POW’s value 0.001 ohm. Verified on https://fccid.io/2ANOO-SM800/Internal-Photos/Internal-Photos-3601477 that we use "R001" = 0.001 ohm
voltage_divider: 2401 #The value of the voltage divider on the board as (R_upstream + R_downstream) / R_downstream. Defaults to the Sonoff POW’s value 2351. From the pic we use 2x "125" = 2x 1.2Mohm for R_upstream and "102" = 1kohm for R_downstream, so (1,200,000+1,200,000+1,000)/1,000 = 2401
# but those don't fix the measurement values, probably because we actually have a BL0937 chip instead of a HLW8012, (and part variance aswell) so we have to manually calibrate with a known load or a load and a Kill-A-Watt type meter. My values used below will only be +/-10% of yours I think.
power:
name: ${friendly_name} Power
unit_of_measurement: W
id: wattage
filters:
- calibrate_linear:
# Map 0.0 (from sensor) to 0.0 (true value)
- 0.0 -> 0.0 #Need to keep 0 mapped to 0 for when connected device is not drawing any power
- ${wattage_calibration}
current:
name: ${friendly_name} Current
unit_of_measurement: A
filters:
- calibrate_linear:
# Map 0.0 (from sensor) to 0.0 (true value)
- 0.0 -> 0.0 #Need to keep 0 mapped to 0 for when connected device is not drawing any power
- ${amperage_calibration}
voltage:
name: ${friendly_name} Voltage
unit_of_measurement: V
filters:
- calibrate_linear:
# Map 0.0 (from sensor) to 0.0 (true value)
#- 0.0 -> 0.0 #Don't care if 0 reading aligns with 0 real Volts since we won't ever measure that
- ${voltage_calibration1}
- ${voltage_calibration2}
change_mode_every: 1 #Skips first reading after each change, so this will double the update interval. Default 8
update_interval: 10s #20 second effective update rate for Power, 40 second for Current and Voltage. Default 60s
# Reports the total Power so-far each day, resets at midnight, see https://esphome.io/components/sensor/total_daily_energy.html
- platform: total_daily_energy
name: ${friendly_name} Total Daily Energy
power_id: wattage
filters:
- multiply: 0.001 ## convert Wh to kWh
unit_of_measurement: kWh
text_sensor:
# Reports the ESPHome Version with compile date
- platform: version
name: ${friendly_name} ESPHome Version
switch:
- platform: gpio
name: ${friendly_name}
pin: GPIO12
id: relay
restore_mode: RESTORE_DEFAULT_OFF #Try to restore relay state after reboot/power-loss event.
#RESTORE_DEFAULT_OFF (Default) - Attempt to restore state and default to OFF if not possible to restore. Uses flash write cycles.
#RESTORE_DEFAULT_ON - Attempt to restore state and default to ON. Uses flash write cycles.
#ALWAYS_OFF - Always initialize the pin as OFF on bootup. Does not use flash write cycles.
#ALWAYS_ON - Always initialize the pin as ON on bootup. Does not use flash write cycles.
on_turn_on:
- light.turn_on:
id: blue_led
brightness: 100%
on_turn_off:
- light.turn_off: blue_led
output:
- platform: esp8266_pwm
id: red_output
pin: GPIO0
inverted: True
- platform: esp8266_pwm
id: blue_output
pin: GPIO15
inverted: True
light:
- platform: monochromatic
name: ${friendly_name} Red LED
output: red_output
id: red_led
restore_mode: ALWAYS_OFF #Start with light off after reboot/power-loss event.
#RESTORE_DEFAULT_OFF (Default) - Attempt to restore state and default to OFF if not possible to restore. Uses flash write cycles.
#RESTORE_DEFAULT_ON - Attempt to restore state and default to ON. Uses flash write cycles.
#ALWAYS_OFF - Always initialize the pin as OFF on bootup. Does not use flash write cycles.
#ALWAYS_ON - Always initialize the pin as ON on bootup. Does not use flash write cycles.
effects:
- strobe:
- flicker:
alpha: 50% #The percentage that the last color value should affect the light. More or less the “forget-factor” of an exponential moving average. Defaults to 95%.
intensity: 50% #The intensity of the flickering, basically the maximum amplitude of the random offsets. Defaults to 1.5%.
- lambda:
name: Throb
update_interval: 1s
lambda: |-
static int state = 0;
auto call = id(red_led).turn_on();
// Transtion of 1000ms = 1s
call.set_transition_length(1000);
if (state == 0) {
call.set_brightness(1.0);
} else {
call.set_brightness(0.01);
}
call.perform();
state += 1;
if (state == 2)
state = 0;
- platform: monochromatic
name: ${friendly_name} Blue LED
output: blue_output
id: blue_led
restore_mode: ALWAYS_OFF #Start with light off after reboot/power-loss event.
#RESTORE_DEFAULT_OFF (Default) - Attempt to restore state and default to OFF if not possible to restore. Uses flash write cycles.
#RESTORE_DEFAULT_ON - Attempt to restore state and default to ON. Uses flash write cycles.
#ALWAYS_OFF - Always initialize the pin as OFF on bootup. Does not use flash write cycles.
#ALWAYS_ON - Always initialize the pin as ON on bootup. Does not use flash write cycles.
effects:
- strobe:
- flicker:
alpha: 50% #The percentage that the last color value should affect the light. More or less the “forget-factor” of an exponential moving average. Defaults to 95%.
intensity: 50% #The intensity of the flickering, basically the maximum amplitude of the random offsets. Defaults to 1.5%.
- lambda:
name: Throb
update_interval: 1s
lambda: |-
static int state = 0;
auto call = id(blue_led).turn_on();
// Transtion of 1000ms = 1s
call.set_transition_length(1000);
if (state == 0) {
call.set_brightness(1.0);
} else {
call.set_brightness(0.01);
}
call.perform();
state += 1;
if (state == 2)
state = 0;
# Blink the red light if we aren't connected to WiFi. Could use https://esphome.io/components/status_led.html instead but then we couldn't use the red light for other things as well.
interval:
- interval: 500ms
then:
- if:
condition:
not:
wifi.connected:
then:
- light.turn_on:
id: red_led
brightness: 100%
transition_length: 0s
- delay: 250ms
- light.turn_off:
id: red_led
transition_length: 250ms

Then in each plug's yaml:

substitutions:
device_name: plug6
device_description: Energy Monitoring Smart Plug connected to clothes washing machine in laundry room.
friendly_name: Plug 6
wattage_calibration: "4054.3 -> 721.2" #Tested using a meter and 722.0W toaster -0.8W from just this plug with toaster off
amperage_calibration: "7.4 -> 6.103" #Tested using a meter and 6.122A toaster -0.019A from just this plug with toaster off
voltage_calibration1: "294.7 -> 117.8" #Tested using a meter, value while connected toaster was on
voltage_calibration2: "321.7 -> 121.6" #value while connected toaster was off
<<: !include plug_common.yaml
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