Feit Electric PLUG/WIFI/WP/2

This is a variant of the plug that has 2 outlets, instead of the 3 outlets in the PLUG3 variant. It is marked FCC ID: SYW-PLUGWFWP and the IC is labeled: SYCZB-MW-AK. This was heavily based on the great work alread done on other variants here: IC 2046-PLUG3WIFIN and here IC: 20416-PLUG3WIFI.

Some versions of this 2 outlet versions shipped with ESP8266 boards, but this one had a bk72xx, as discussed here.

Follow the steps in the great PLUG3 variant docs here to flash your board via UART (the TX, RX, GND, and 3v3 pins are all clearly silk screened on the board in this variant) using ltchiptool. I lightly tack soldered to the pads, but don’t be like me and break a pad and have to dig up a trace to solder to :)

After building the device in ESPHOME and downloading the uf2 file, the command to flash will be similar to this: ltchiptool flash write -d /dev/cu.usbserial-210 -b 115200 ./outdoor-switch1.uf2

After flashing with ESPHome build, I found the pins in the PLUG3 variant were not working and by trial and error found the following ESPHome config / GPIO pins to work for this variant:

GPIO Pinout

Pin	Function
P15	Relay
P17	Blue LED
P23	WiFi Power - why you might want this I don’t know - maybe just to avoid it so you don’t have to reflash thru UART!?!
P24	Red LED
P26	Button

substitutions:
  project_name: outdoor-plug-1
  friendly_name: "Outdoor Plug 1"

esphome:
  name: outdoor-switch1
  friendly_name: outdoor-switch1

bk72xx:
  board: generic-bk7231n-qfn32-tuya

# Enable logging
logger:

# Enable Home Assistant API
api:
  encryption:
    key: "asdf"

ota:
  - platform: esphome
    password: "asdf"

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

  # Enable fallback hotspot (captive portal) in case wifi connection fails
  ap:
    ssid: "Outdoor-Switch1 Fallback Hotspot"
    password: "asdf"

captive_portal:

## DEVICE SPECIFIC CONFIG BEGIN HERE

# Note: UART config is optional
# uart:
#   rx_pin: P10 #RX1
#   tx_pin: P11 #TX1
#   baud_rate: 115200



# Other pins tried with unknown function: p6, p7, p8, p9, p14, p16, p20, p24

output:
  - platform: gpio
    pin: P15
    id: 'relay'

binary_sensor:
  - platform: gpio
    id: button_physical
    name: 'Button pressed'
    internal: false  # optional if you'd like the button state in HA, change to true
    pin:
      number: P26
      inverted: true
      mode: INPUT_PULLUP
    on_press:
      - switch.toggle: rly_sw

light:
  - platform: status_led
    id: led_status
    pin:
      number: P24
      inverted: true
# - platform: binary
#   id: lights
#   name: ${friendly_name} lights
#   output: rly_sw
#   on_turn_on:
#     - light.turn_on: led_status
#   on_turn_off:
#     - light.turn_off: led_status

# Note: If you only have lights plugged into the SmartPlug, you could use
# and light component instead of a switch. The automations included below
# mimic the operation of the device with factory firmware.

switch:
  - platform: output
    id: rly_sw
    name: ${friendly_name}
    output: relay
    on_turn_on:
      - light.turn_on: led_status
    on_turn_off:
      - light.turn_off: led_status