devices.esphome.io

Sonoff S31

Sonoff S31

Device Type: plug
Electrical Standard: us
Board: esp8266

Initial Install

This device cannot be converted to ESPHome using tuya-convert.

You must remove the cover and use the serial header for first upload. Hold down the button while powering on the device to put it into bootloader mode.

GPIO Pinout

PinFunction
GPIO0Push Button (HIGH = off, LOW = on)
GPIO12Relay and its status LED
GPIO13Green LED (HIGH = off, LOW = on)
GPIO1RX pin (for external sensors)
GPIO3TX pin (for external sensors)

Basic Configuration

# Basic Config
esphome:
  name: sonoff_s31
  platform: ESP8266
  board: esp01_1m


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


logger:
  baud_rate: 0 # (UART logging interferes with cse7766)
  
# Remove this line if you're not using Home Assistsant or your switch will restart every now and again
api:


ota:


# Device Specific Config


uart:
  rx_pin: RX
  baud_rate: 4800


binary_sensor:
  - platform: gpio
    pin:
      number: GPIO0
      mode: INPUT_PULLUP
      inverted: True
    name: "Sonoff S31 Button"
    on_press:
      - switch.toggle: relay
  - platform: status
    name: "Sonoff S31 Status"


sensor:
  - platform: wifi_signal
    name: "Sonoff S31 WiFi Signal"
    update_interval: 60s
  - platform: cse7766
    current:
      name: "Sonoff S31 Current"
      accuracy_decimals: 1
    voltage:
      name: "Sonoff S31 Voltage"
      accuracy_decimals: 1
    power:
      name: "Sonoff S31 Power"
      accuracy_decimals: 1
      id: my_power
  - platform: total_daily_energy
    name: "Sonoff S31 Daily Energy"
    power_id: my_power


switch:
  - platform: gpio
    name: "Sonoff S31 Relay"
    pin: GPIO12
    id: relay
    restore_mode: ALWAYS_ON


time:
  - platform: sntp
    id: my_time


status_led:
  pin:
    number: GPIO13
    inverted: True
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