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2023-12-18T17:32:37Z

WallK:

[[File:Neato XV-11 Disassembled.jpg|thumb|alt=|Neato XV-11 disassembled on the workbench, preparing to reverse engineer LIDAR communication protocol.]]
Cameras, Power/Light Controllers, HVAC Controllers, Electronic Door Locks, Appliances, Robotic Vacuums and other items found in your home.
==Device Index==
[[Neato XV-11]] - Robotic vacuum which included the first low cost [[LIDAR]].

[[Kobalt KRC 40-06]] - 40 volt Lithium Ion Battery Charger

[[Blink SyncModule 2]] - Home appliance to control other Amazon Blink devices.

[[RL 50]] - Decentralized home ventilation system.

[[OZWI Smart Plug]] - ESP8266 smart plug

OZWI Smart Plug

2023-12-18T17:31:50Z

WallK:

[[File:OZWIPlug1.jpg|thumb]]
[[File:OZWIplug3.jpg|thumb]]
==Description==
This is a dirt cheap "smart" plug with ESP8266 inside. It's designed for 230V and 10A max current, but other regional versions exist.

It didn't have any identification or a sticker on it.
==What's inside==
There's an unknown ESP8266 module, YUANZE Y32F-SS-105HM Relay<ref>[https://www.lcsc.com/product-detail/Power-Relays_YUANZE-RELAY-Y3F-SS-105D_C674561.html LCSC page for the relay]</ref> and power supply components.

[[File:OZWIplug inside1.jpg|frameless]][[File:OZWIplug inside2.jpg|frameless]]
==ESP8266 Board Pinout==
[[File:OZWIplug pins.png|frameless]]
==Flashing custom firmware==
You'll need to connect some kind of UART interface device to your PC or other capable device. '''RX''' pin of this device goes to board pin marked "'''U0 TX'''", '''TX''' pin -- to "'''U0 RX'''". '''GND''' to '''GND'''.

Connect '''GND''' and '''3.3V''' pins from diagram above to 3.3V PSU (up to 0.2A was needed during my test).

Connect '''GPIO0''' to '''GND''' and power on the device with PSU.

Flash the chip using [https://github.com/espressif/esptool ESPTool] or other preferred method.

Remove the power and disconnect GPI0 tie to the ground.

Done!

==Example ESPHome config==
<syntaxhighlight lang="yaml">
substitutions:
display_name: "ozwi-plug"
friendly_name: "ozwi Smart Plug"

esphome:
name: "ozwi-plug"

esp8266:
board: esp01_1m

# Enable logging
logger:

# Enable Home Assistant API
api:

ota:

wifi:
ssid: !secret wifi_ssid
password: !secret wifi_password
on_connect:
- light.turn_on: blue_led
on_disconnect:
- light.turn_off: blue_led
ap:
ssid: "${display_name} Fallback Hotspot"
password: !secret wifi_AP_password
ap_timeout: 3min

captive_portal:

output:
- platform: gpio
pin: GPIO4
inverted: False
id: red_led_gpio
- platform: gpio
pin: GPIO14
inverted: False
id: blue_led_gpio
- platform: gpio
pin:
number: GPIO12
inverted: false
id: relay1

binary_sensor:
- platform: gpio
internal: true
pin:
number: GPIO13
mode: INPUT_PULLUP
inverted: true
name: ${display_name} Switch
on_press:
- switch.toggle: load

light:
- platform: binary
name: "Red LED"
id: red_led
internal: true
output: red_led_gpio
- platform: binary
name: "Blue LED"
id: blue_led
internal: true
output: blue_led_gpio

switch:
- platform: output
name: ${friendly_name} Load
id: load
# internal: true
output: relay1
on_turn_on:
- light.turn_on: red_led
on_turn_off:
- light.turn_off: red_led
</syntaxhighlight>

OZWI Smart Plug

2023-12-18T17:30:53Z

WallK:

[[File:OZWIPlug1.jpg|thumb]]
==Description==
This is a dirt cheap "smart" plug with ESP8266 inside. It's designed for 230V and 10A max current, but other regional versions exist.
==What's inside==
There's an unknown ESP8266 module, YUANZE Y32F-SS-105HM Relay<ref>[https://www.lcsc.com/product-detail/Power-Relays_YUANZE-RELAY-Y3F-SS-105D_C674561.html LCSC page for the relay]</ref> and power supply components.

[[File:OZWIplug inside1.jpg|frameless]][[File:OZWIplug inside2.jpg|frameless]]
==ESP8266 Board Pinout==
[[File:OZWIplug pins.png|frameless]]
==Flashing custom firmware==
You'll need to connect some kind of UART interface device to your PC or other capable device. '''RX''' pin of this device goes to board pin marked "'''U0 TX'''", '''TX''' pin -- to "'''U0 RX'''". '''GND''' to '''GND'''.

Connect '''GND''' and '''3.3V''' pins from diagram above to 3.3V PSU (up to 0.2A was needed during my test).

Connect '''GPIO0''' to '''GND''' and power on the device with PSU.

Flash the chip using [https://github.com/espressif/esptool ESPTool] or other preferred method.

Remove the power and disconnect GPI0 tie to the ground.

Done!

==Example ESPHome config==
<syntaxhighlight lang="yaml">
substitutions:
display_name: "ozwi-plug"
friendly_name: "ozwi Smart Plug"

esphome:
name: "ozwi-plug"

esp8266:
board: esp01_1m

# Enable logging
logger:

# Enable Home Assistant API
api:

ota:

wifi:
ssid: !secret wifi_ssid
password: !secret wifi_password
on_connect:
- light.turn_on: blue_led
on_disconnect:
- light.turn_off: blue_led
ap:
ssid: "${display_name} Fallback Hotspot"
password: !secret wifi_AP_password
ap_timeout: 3min

captive_portal:

output:
- platform: gpio
pin: GPIO4
inverted: False
id: red_led_gpio
- platform: gpio
pin: GPIO14
inverted: False
id: blue_led_gpio
- platform: gpio
pin:
number: GPIO12
inverted: false
id: relay1

binary_sensor:
- platform: gpio
internal: true
pin:
number: GPIO13
mode: INPUT_PULLUP
inverted: true
name: ${display_name} Switch
on_press:
- switch.toggle: load

light:
- platform: binary
name: "Red LED"
id: red_led
internal: true
output: red_led_gpio
- platform: binary
name: "Blue LED"
id: blue_led
internal: true
output: blue_led_gpio

switch:
- platform: output
name: ${friendly_name} Load
id: load
# internal: true
output: relay1
on_turn_on:
- light.turn_on: red_led
on_turn_off:
- light.turn_off: red_led
</syntaxhighlight>

OZWI Smart Plug

2023-12-18T17:30:24Z

WallK:

File:OZWIplug3.jpg

2023-12-18T17:30:14Z

WallK:

OZWI Plug back

OZWI Smart Plug

2023-12-18T15:25:00Z

WallK:

File:OZWIplug pins.png

2023-12-18T15:14:28Z

WallK:

Pinout of the OZWI Plug ESP8266 board

File:OZWIplug inside2.jpg

2023-12-18T15:12:58Z

WallK:

Top of the OZWI Plug PCB

File:OZWIplug inside1.jpg

2023-12-18T15:09:11Z

WallK:

Top of the OZWI Plug PCB

OZWI Smart Plug

2023-12-18T15:03:34Z

WallK: Created page with "thumb ==Description== This is a dirt cheap "smart" plug with ESP8266 inside. It's designed for 230V and 10A max current, but other regional versions exist."

[[File:OZWIPlug1.jpg|thumb]]
==Description==
This is a dirt cheap "smart" plug with ESP8266 inside. It's designed for 230V and 10A max current, but other regional versions exist.

File:OZWIPlug1.jpg

2023-12-18T15:02:39Z

WallK: WallK moved page File:Plug1.jpg to File:OZWIPlug1.jpg: More descriptive name

OZWI Smart plug front

File:Plug1.jpg

2023-12-18T15:02:39Z

WallK: WallK moved page File:Plug1.jpg to File:OZWIPlug1.jpg: More descriptive name

#REDIRECT [[File:OZWIPlug1.jpg]]

File:OZWIPlug1.jpg

2023-12-18T14:59:18Z

WallK:

OZWI Smart plug front