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Sonoff POW Ring (POWCT)

Sonoff POW Ring (POWCT)

Device Type: relay
Electrical Standard: global
Board: esp32

GPIO Pinout

PinFunction
GPIO00Push Button (HIGH = off, LOW = on)
GPIO05TM1621 DA
GPIO13Status LED (HIGH = off, LOW = on)
GPIO15Wifi_LED
GPIO17TM1621 CS
GPIO18TM1621 WR
GPIO21Relay1
GPIO23TM1621 RD
GPIO25CSE7761 Rx
GPIO26CSE7761 Tx

Basic Configuration

Based on Sonoff POW Elite 20a (POWR320D) (Source: https://devices.esphome.io/devices/Sonoff-POW-Elite-20a).

To get the correct current and power values, the measurement must be divided by the PI number.

# Basic Config
esphome:
name: sonoff-powct
friendly_name: Sonoff POW Ring
on_boot: # Set the initial state of the template switch to the actual relay state. This will NOT change the state.
priority: 250.0 # Wait until WiFi is connected to allow the sensor some time to settle
then:
- if:
condition:
lambda: 'return id(v_sensor).state > 10;'
then:
- switch.turn_on: relay_1
else:
- switch.turn_off: relay_1
esp32:
board: nodemcu-32s
# Enable logging
logger:
# Enable Home Assistant API
api:
ota:
- platform: esphome
wifi:
# Enable fallback hotspot (captive portal) in case wifi connection fails
ap:
captive_portal:
time:
- platform: homeassistant
id: homeassistant_time
uart:
tx_pin: GPIO26
rx_pin: GPIO25
baud_rate: 38400
parity: EVEN
stop_bits: 1
sensor:
- platform: cse7761
update_interval: 2s
current_1:
name: Current
id: a_sensor
unit_of_measurement: 'A'
accuracy_decimals: 3
icon: mdi:current-ac
filters:
# Measurement divided by the PI number
- lambda: return x / PI;
voltage:
name: Voltage
id: v_sensor
unit_of_measurement: 'V'
icon: mdi:sine-wave
active_power_1:
name: Power
id: w_sensor
filters:
# Measurement divided by the PI number
- lambda: return x / PI;
icon: mdi:flash
on_value_range:
- above: 4.0
then:
- light.turn_on: switch_led
- below: 3.0
then:
- light.turn_off: switch_led
- platform: total_daily_energy
name: Total Daily Energy
power_id: w_sensor
id: kw_sensor
unit_of_measurement: 'kWh'
state_class: total_increasing
device_class: energy
accuracy_decimals: 3
icon: mdi:lightning-bolt
filters:
# Multiplication factor from W to kW is 0.001
- multiply: 0.001
- platform: template
name: ESP32 Internal Temp
device_class: temperature
unit_of_measurement: °C
id: esp32_temp
icon: mdi:thermometer
lambda: return temperatureRead();
- platform: template
name: Power Factor
device_class: power_factor
id: power_factor
icon: mdi:angle-acute
lambda: return id(w_sensor).state / id(v_sensor).state / id(a_sensor).state;
binary_sensor:
- platform: gpio
pin: GPIO00
id: reset
internal: true
filters:
- invert:
- delayed_off: 10ms
on_click:
- max_length: 350ms # short press to toggle the relay
then:
switch.toggle: relay_1
- min_length: 360ms # long press to cycle display info
max_length: 3s
then:
- if:
condition:
binary_sensor.is_on: page
then:
binary_sensor.template.publish:
id: page
state: OFF
else:
binary_sensor.template.publish:
id: page
state: ON
- platform: template # this is a fake sensor to tell the screen which info to show on display
id: page
publish_initial_state: true
internal: true
- platform: template
name: Subordinate Device
id: subordinate_device_on
lambda: |-
if (isnan(id(w_sensor).state)) {
return {};
} else if (id(w_sensor).state > 4) {
// Running
return true;
} else {
// Not running
return false;
}
display:
platform: tm1621
id: tm1621_display
cs_pin: GPIO17
data_pin: GPIO05
read_pin: GPIO23
write_pin: GPIO18
lambda: |-
if (id(page).state) {
it.display_voltage(true);
it.display_kwh(false);
it.printf(0, "%.1f", id(v_sensor).state);
it.printf(1, "%.1f", id(a_sensor).state);
} else {
it.display_voltage(false);
it.display_kwh(true);
it.printf(0, "%.1f", id(kw_sensor).state);
it.printf(1, "%.1f", id(w_sensor).state);
}
output:
- platform: ledc
id: led
pin:
number: GPIO13
inverted: True
switch:
- platform: gpio
name: Relay
pin: GPIO21
id: relay_1
restore_mode: RESTORE_DEFAULT_OFF
on_turn_on:
- delay: 500ms
- light.turn_on: switch_led
on_turn_off:
- delay: 500ms
- light.turn_off: switch_led
light:
- platform: monochromatic
id: switch_led
output: led
internal: True
- platform: status_led
id: wifi_status_led
internal: True
pin:
number: GPIO15
inverted: True
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