DIY Smart Switch

bk72xx global Comes with ESPHome relay

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.

GPIO Pinout

Pin	Function
P6	Rocker switch INPUT_PULLUP
P7	Relay (H)
P8	RF input ?
P23	Button INPUT_PULLUP
P26	Blue 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    ##

## ---------------- ##

status_led:
  pin:
    number: P26
    inverted: false

## ---------------- ##

##  Binary Sensors  ##

## ---------------- ##

binary_sensor:
# Button 1
  - platform: gpio
    id: button_1
    pin:
      number: P23
      inverted: true
      mode: INPUT_PULLUP
# 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

## ---------------- ##

##      Relays      ##

## ---------------- ##

output:
# Relay L1
output:
  # Relay
  - platform: gpio
    id: relayoutput
    pin: P7