ESPHome-Devices

Sonoff S31

Sonoff S31

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)
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
switch:
- platform: gpio
name: "Sonoff S31 Relay"
pin: GPIO12
id: relay
status_led:
pin: GPIO13
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