GPIO Pinout
| Pin | Function |
|---|
| GPIO0 | Push Button (HIGH = off, LOW = on) |
| GPIO12 | Relay and its status LED |
| GPIO13 | Green LED (HIGH = off, LOW = on) |
| GPIO1 | RX pin (for external sensors) |
| GPIO3 | TX pin (for external sensors) |
Basic Configuration
# Basic Config
esphome:
name: sonoff_s20
platform: ESP8266
board: esp01_1m
wifi:
ssid: !secret wifi_ssid
password: !secret wifi_password
logger:
api:
ota:
# Device Specific Config
binary_sensor:
- platform: gpio
pin:
number: GPIO0
mode: INPUT_PULLUP
inverted: True
name: "Sonoff S20 Button"
on_press:
- switch.toggle: relay
- platform: status
name: "Sonoff S20 Status"
sensor:
- platform: wifi_signal
name: "Sonoff S20 WiFi Signal"
update_interval: 60s
switch:
- platform: gpio
name: "Sonoff S20 Relay"
pin: GPIO12
id: relay
status_led:
pin:
number: GPIO13
inverted: true