devices.esphome.io

DIY Smart Switch

DIY Smart Switch

Device Type: relay
Electrical Standard: global
Board: bk72xx

General Notes

A smart WIFI relay to convert a normal swicht into a smart switch and retain the fuction of the normal switch.

Some modules have RF433 fuction but not included below.

These devices are sold under many brands on Aliexpress.

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GPIO Pinout

PinFunction
P6Rocker switch INPUT_PULLUP
P7Relay (H)
P8RF input ?
P23Button INPUT_PULLUP
P26Blue Status LED (H)

Configuration

## -----------------------##
## Substitution Variables ##
## -----------------------##
substitutions:
  device_friendly_name: WIFI Switch
  device_icon: "mdi:power"
## --------------------##
## Board Configuration ##
## --------------------##
esphome:
  name: ${device_internal_name}
  friendly_name: ${device_friendly_name}


bk72xx:
  board: generic-bk7231n-qfn32-tuya
## ---------------- ##
##    Status LED    ##
## If there is an error in ESPhome, the diode blinks. If everything is fine, the indicator can be controlled from HA
## ---------------- ##


light:
  - platform: status_led
    name: "Switch state"
    id: led
    pin:
      number: P26
## ---------------- ##
##  Binary Sensors  ##
## ---------------- ##
binary_sensor:
# Button back
  - platform: gpio
    id: button_1
    pin:
      number: P23
      inverted: true
      mode: INPUT_PULLUP
    on_press:
      then:
        - switch.toggle: relay
    filters:
      - delayed_on_off: 50ms
# Rocker switch
  - platform: gpio
    name: "${device_friendly_name} Switch"
    pin: P6
    on_press:
      then:
        - switch.turn_on: relay
    on_release:
        - switch.turn_off: relay
    filters:
      - delayed_on_off: 50ms
## ---------------- ##
##      Switch      ##
## ---------------- ##
switch:
#Relay
  - platform: output
    name: "${device_friendly_name} Relay"
    icon: ${device_icon}
    output: relayoutput
    id: relay
       on_turn_on:
      - light.turn_on: led
    on_turn_off:
      - light.turn_off: led
    restore_mode: ALWAYS_OFF
## ---------------- ##
##      Relays      ##
## ---------------- ##


output:
  # Relay
  - platform: gpio
    id: relayoutput
    pin: P7
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