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home_automation:esp8266:hw:gosund_sp111 [2020/11/12 07:55] – created niziakhome_automation:esp8266:hw:gosund_sp111 [2025/10/15 06:46] (current) – niziak
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 How to reflash with custom firmware using OTA: [[https://github.com/ct-Open-Source/tuya-convert|TUYA-CONVERT]] How to reflash with custom firmware using OTA: [[https://github.com/ct-Open-Source/tuya-convert|TUYA-CONVERT]]
 +OLD method: [[https://github.com/SynAckFin/TuyOTA|TuyOTA]]
 +
 +I was using ''tasmota-lite.bin v9.2.0'' firmware.
 +<code bash>
 +pushd files
 +wget tasmota-lite.bin v9.2.0 
 +popd
 +</code>
 +
 +''tuya-covert'' needs small fix for calling ''iw'' binary on Debian Buster: 
 +
 +<code bash>
 +======================================================
 +Starting smart config pairing procedure
 +Waiting for the device to install the intermediate firmware
 +Put device in EZ config mode (blinking fast)
 +Sending SSID                  vtrust-flash
 +Sending wifiPassword          
 +Sending token                 00000000
 +Sending secret                0101
 +................
 +SmartConfig complete.
 +Resending SmartConfig Packets
 +..................................
 +IoT-device is online with ip 10.42.42.42
 +Fetching firmware backup
 +  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
 +                                 Dload  Upload   Total   Spent    Left  Speed
 +100 1024k  100 1024k    0     0  69658      0  0:00:15  0:00:15 --:--:-- 32846
 +curl: Saved to filename 'firmware-1a94dd.bin'
 +======================================================
 +Getting Info from IoT-device
 +VTRUST-FLASH 1.5
 +(c) VTRUST GMBH https://www.vtrust.de/35c3/
 +READ FLASH: http://10.42.42.42/backup
 +ChipID: 1a94dd
 +MAC: 50:02:91:1A:94:DD
 +BootVersion: 7
 +BootMode: normal
 +FlashMode: 1M DOUT @ 40MHz
 +FlashChipId: 144051
 +FlashChipRealSize: 1024K
 +Active Userspace: user2 0x81000
 +======================================================
 +Ready to flash third party firmware!
 +
 +For your convenience, the following firmware images are already included in this repository:
 +  Tasmota v8.1.0.2 (wifiman)
 +  ESPurna 1.13.5 (base)
 +
 +You can also provide your own image by placing it in the /files directory
 +Please ensure the firmware fits the device and includes the bootloader
 +MAXIMUM SIZE IS 512KB
 +
 +Available options:
 +  0) return to stock
 +  1) flash espurna.bin
 +  2) flash tasmota.bin
 +  3) flash tasmota-lite.bin
 +  q) quit; do nothing
 +Please select 0-3: 2
 +Are you sure you want to flash tasmota.bin? This is the point of no return [y/N] y
 +Attempting to flash tasmota.bin, this may take a few seconds...
 +Flashed http://10.42.42.1/files/tasmota.bin successfully in 11289ms, rebooting...
 +Look for a tasmota-xxxx SSID to which you can connect and configure
 +Be sure to configure your device for proper function!
 +
 +HAVE FUN!
 +======================================================
 +Do you want to flash another device? [y/N] y
 +======================================================
 +
 +</code>
 +
 +====== ESPHome Config ======
 +
 +[[https://github.com/10bn/ESPHome-Configurations/tree/master/Devices/Outlet%20Gosund%20SP111|Smart Plug - Gosund SP111]]
 +[[https://frenck.dev/calibrating-an-esphome-flashed-power-plug/|Calibrating an ESPHome flashed power plug]]
 +
 +<file yaml gosund_sp1.yaml>
 +esphome:
 +  name: gosund_pralka
 +  platform: ESP8266
 +  board: esp01_1m
 +  esp8266_restore_from_flash: true
 +
 +wifi:
 +  ssid: "myssid"
 +  password: "mypass"
 +
 +  # Enable fallback hotspot (captive portal) in case wifi connection fails
 +  ap:
 +    ssid: "Gniazdko Sp biuro"
 +    password: "Tmk9tzAUQmr8"
 +
 +captive_portal:
 +
 +# Enable logging
 +logger:
 +
 +# Enable Home Assistant API
 +api:
 +
 +ota:
 +
 +binary_sensor:
 +  - platform: gpio
 +    name: "Power Button"
 +    pin:
 +      number: GPIO13
 +      inverted: true
 +    on_press:
 +      - switch.toggle: relay
 +
 +switch:
 +  - platform: gpio
 +    id: relay
 +    name: ON/OFF
 +    pin: GPIO15
 +    on_turn_on:
 +      - light.turn_on: led
 +    on_turn_off:
 +      - light.turn_off: led
 +
 +
 +time:
 +  - platform: homeassistant
 +    id: homeassistant_time
 +    timezone: Europe/Warsaw
 +    
 +substitutions:
 +  plug_name: GspBiuro 
 +  # Higher value gives lower watt readout
 +  current_res: "0.0012"
 +  # Lower value gives lower voltage readout
 +  voltage_div: "771"
 +
 +# Enable Web server
 +web_server:
 +  port: 80
 +
 +sensor:
 +  - platform: wifi_signal
 +    name: "${plug_name} - WiFi Signal"
 +    update_interval: 6s
 +  
 +  - platform: uptime
 +    name: "${plug_name} - Uptime"
 +    icon: mdi:clock-outline
 +    update_interval: 60s
 +    
 +  - platform: hlw8012
 +    sel_pin:
 +      number: GPIO12
 +      inverted: True
 +    cf_pin: GPIO05
 +    cf1_pin: GPIO04
 +    current_resistor: ${current_res}
 +    voltage_divider: ${voltage_div}
 +    
 +    current:
 +      name: "${plug_name} - Ampere"
 +      unit_of_measurement: A
 +      accuracy_decimals: 3
 +      icon: mdi:flash-outline
 +      
 +    voltage:
 +      name: "${plug_name} - Volt"
 +      unit_of_measurement: V
 +      accuracy_decimals: 1
 +      icon: mdi:flash-outline
 +      
 +    power:
 +      name: "${plug_name} - Watt"
 +      unit_of_measurement: W
 +      id: "${plug_name}_Wattage"
 +      icon: mdi:flash-outline
 +      
 +    change_mode_every: 4
 +    update_interval: 3s
 +    
 +  - platform: total_daily_energy
 +    name: "${plug_name} - Consumption"
 +    power_id: "${plug_name}_Wattage"
 +    filters:
 +        # Multiplication factor from W to kW is 0.001
 +        - multiply: 0.001
 +    unit_of_measurement: kWh
 +    icon: mdi:clock-alert 
 +
 +text_sensor:
 +  - platform: version
 +    name: "${plug_name} - ESPHome Version"
 +
 +output:
 +  # Relay state led
 +  - platform: esp8266_pwm
 +    id: state_led
 +    pin:
 +      number: GPIO2
 +      inverted: true
 +
 +light:
 +  # Relay state light
 +  - platform: monochromatic
 +    output: state_led
 +    id: led
 +
 +# Uses the red LED as a ESPhome status indicator
 +status_led:
 +  pin:
 +    number: GPIO0
 +    inverted: true
 +    
 +</file>
 +
 +Upgrade from Tasmota:
 +<code bash>
 +run esphome config.yaml compile
 +
 +Creating BIN file ".pioenvs/gosund_1a5f71/firmware.bin" using "/root/.platformio/packages/framework-arduinoespressif8266/bootloaders/eboot/eboot.elf" and ".pioenvs/gosund_1a5f71/firmware.elf"
 +</code>
 +
 +Or ''compile'' and ''download binary'' from dashboard.
 +
 +