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[ BK7231N/CBU] New Device USB Rechargeable LED Night Light Tuya WiFi Smart Motion Sensor

lionboy 1584 7
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  • #1 20931956
    lionboy
    Level 10  

    Hello,

    Today I bought a new device with CBU on it. Flashing only works via UART, and the version is MCU v1.0.10.

    WiFi cabinet LED lamp for smart home lighting.
    https://vi.aliexpress.com/item/10050056714858...t_main.16.4e5f1c24BrcPTA&gatewayAdapt=glo2vnm

    After I did a full backup, I tried to put Open Beken on it, but it is not working. I can only control the LED, but not the PIR and Lux sensors, which I have from the extracted bin file.

    Code: text Expand Select all Copy to clipboard
    Device configuration, as extracted from Tuya: 
- LED Cool (Channel 4) on P24
- PWM Frequency 1000
- PIR Sensitivity 8
- PIR Frequency 20000
- Control Pin (TODO) on P26
- PIR Low Duty 16
- PIR High Duty 7
- PIR Input 6
Device seems to be using CBU module, which is using BK7231N.
And the Tuya section starts, as usual, at 2023424


    On ESPHome, I have the same problem. But on ESPHome, I can control the LUX and PIR sensors, but not like on the Tuya App. On the Tuya App, you can control the LED as a switch and can control the LED with the PIR and Lux sensors.

    Lighting control panel Lampa Hol 1 with on/off button. App interface with settings for Lamp Hol 1 User interface of a lighting control app for Lampa Hol 1”. App screen for Lampa Hol 1 with sensor settings. Close-up of a circuit board with a micro USB connector and LEDs on a strip.

    ESPHOME yaml:

    Code: text Expand Select all Copy to clipboard
    esphome:
  name: lumina-hol1
bk72xx:
  board: generic-bk7231n-qfn32-tuya
logger:
web_server:
captive_portal:
mdns:
api:
  password: ""
ota:
  password: ""
wifi:
  ssid: !secret wifi_smart
  password: !secret wifi_smart_pass
  ap:
button:
  - platform: restart
    name: Restart
debug:
  update_interval: 30s
text_sensor:
  - platform: debug
    reset_reason:
      name: Reset Reason
  - platform: libretiny
    version:
      name: LibreTiny Version
sensor:
  - platform: uptime
    name: Uptime
  - platform: adc
    pin: P23
    id: lux_sensor
    name: "LUX Sensor"
    update_interval: '10s'
    unit_of_measurement: lux
    filters:
      - lambda: |- 
          return (x / 10000.0) * 2000000.0;
output:
  - platform: libretiny_pwm
    id: output_cold
    pin: P24
    frequency: 1000 Hz
light:
  - platform: monochromatic
    id: light_monochromatic
    name: Light
    output: output_cold
binary_sensor:
  - platform: gpio
    pin: 26
    name: "PIR Sensor"
    device_class: motion
    id: pir_sensor_light
    on_press:
      then:
        - component.update: lux_sensor


    I will attach a 2 MB binary file.
    Attachments:
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  • #2 20932480
    lionboy
    Level 10  
    And this is JSON:

    Code: text Expand Select all Copy to clipboard
    {
	"Jsonver":"1.0.8",
	"brightmin":"10",
	"gmwb":"75",
	"title20":"0",
	"dimval":"0",
	"dusk":"265",
	"gmwg":"70",
	"cdsval":"2",
	"pirsense_lv":"1",
	"wfcfg":"spcl",
	"colormin":"10",
	"lockt":"7",
	"preheatt":"20",
	"pmemory":"1",
	"gmkb":"60",
	"cmod":"c",
	"evenfall":"460",
	"cwtype":"0",
	"day":"0",
	"pirin_lv":"1",
	"rstbr":"10",
	"colormax":"100",
	"c_pin":"24",
	"pirhduty":"0",
	"notdisturb":"0",
	"night":"2180",
	"module":"CBU",
	"pirrange":"0",
	"ctrl_lv":"1",
	"cwmaxp":"100",
	"dmod":"0",
	"brightmax":"100",
	"trigmod":"0",
	"wfct":"3",
	"pwmhz":"1000",
	"pirsense_pin":"8",
	"defbright":"100",
	"rstnum":"5",
	"rstcor":"c",
	"dimt":"1",
	"deftemp":"100",
	"c_lv":"1",
	"pirfreq":"20000",
	"trigdelay":"10",
	"keyfunc":"0",
	"ctrl_pin":"26",
	"pirmod":"0",
	"pirlduty":"16",
	"pirir":"7",
	"wt":"0",
	"prodagain":"1",
	"remdmode":"0",
	"pirmduty":"7",
	"cagt":"20",
	"dimmod":"1",
	"colorpfun":"0",
	"pirin_pin":"6",
	"gmwr":"100",
	"rgbt":"0",
	"colormaxp":"100",
	"gmkg":"60",
	"onoffmode":"1",
	"pirwarn":"0",
	"rsttemp":"100",
	"evening":"1400",
	"category":"0501",
	"gmkr":"80",
	"defcolor":"c",
	"crc":"46"
}
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  • #4 20976457
    lionboy
    Level 10  
    Hello,

    Yes i change CBU with ESP32-C3 and now i am running on ESP32 with deep sleep implemented and Esphome;

    Code: text Expand Select all Copy to clipboard
    
esphome:
  name: "lumina-hol2"
  friendly_name: "lumina-hol2"
  on_boot:
    priority: -100.0
    then:
      - light.turn_on:
          id: light_monochromatic
          transition_length: 1s
          brightness: 50%
      - light.turn_off:
          id: light_monochromatic
          transition_length: 1s
esp32:
  board: esp32-c3-devkitm-1
  framework:
    type: arduino
substitutions:
  # Timer duration (Minutes). E.G.: "60" 1 hour, "0.1" 6 Seconds
  off_time: "0.1"

# Enable logging
logger:

web_server:

# Enable Home Assistant API
api:

ota:

wifi:
  ssid: !secret wifi_smart
  password: !secret wifi_smart_pass

  # Enable fallback hotspot (captive portal) in case wifi connection fails
  ap:
    ssid: "Lampa Hol 2"
    password: "puiuscrieparola"

captive_portal:

debug:
  update_interval: 30s


globals:
  - id: manual_mode
    type: bool
    restore_value: yes
    initial_value: 'false'
  - id: light_sensitivity
    type: int
    restore_value: no
    initial_value: '0'

script:
  - id: fullOnWhenMotion
    then:
      - logger.log:
          format: "fullOnWhenMotion"
      - light.turn_on:
          id: light_monochromatic
          brightness: 50%
  - id: waitThenDIM
    then:
      - logger.log:
          format: "waitThenDIM (%d, %d)"
          args: ["id(full_light_duration_s).state", "id(dim_light_percent).state"]
      - delay: !lambda "return id(full_light_duration_s).state;"
      - if:
          condition:
            - light.is_on: light_monochromatic
          then:
            - light.dim_relative:
                id: light_monochromatic
                relative_brightness: !lambda "return id(dim_light_percent).state;"
            - script.execute: waitThenOff
  - id: waitThenOff
    then:
      - logger.log:
          format: "waitThenOff (%d)"
          args: ["id(dim_light_duration_s).state"]
      - if:
          condition:
            - light.is_on: light_monochromatic
          then:
          - delay: !lambda "return id(dim_light_duration_s).state;"
          - light.turn_off: light_monochromatic

text_sensor:
  - platform: debug
    reset_reason:
      name: Reset Reason

sensor:
  - platform: uptime
    name: Uptime
  - platform: adc
    id: ambient
    name: Ambient
    unit_of_measurement: "V"
    state_class: "measurement"
    update_interval: 60s
    pin: 0
    filters:
      - multiply: 2.8

deep_sleep: 
  id: deep_sleep_1

time:
  - platform: homeassistant
    id: homeassistant_time
    on_time:
      #Deep sleep at 6am and wake up at 1am.
      - hours: 6
        then:
        - deep_sleep.enter:
            id: deep_sleep_1
            until: "00:59:00"
            time_id: homeassistant_time
#      - hours: 1
#        minutes: 00
#        seconds: 00
#        then:
#        - switch.turn_on:
#            id: day_night_mode
  - platform: sntp
    id: sntp_time
    timezone: Europe/Bucharest
    servers:
     - 0.pool.ntp.org
     - 1.pool.ntp.org
     - 2.pool.ntp.org

binary_sensor:
  - platform: template
    id: timer
  - platform: gpio
    id: pir_sensor
    name: Motion
    device_class: motion
    pin:
      number: 6
      mode:
        input: true
    on_press:
      then:
        - if:
            condition:
              - lambda: !lambda return (!id(manual_mode) && (id(ambient).state > id(light_sensitivity)));
            then:
              - script.stop: waitThenDIM
              - script.stop: fullOnWhenMotion
              - script.execute: fullOnWhenMotion
    on_release:
      then:
        - if:
            condition:
              - lambda: !lambda return (!id(manual_mode) && (id(light_monochromatic).current_values.is_on()));
            then:
              - logger.log:
                  format: "Executing on_release"
              - script.execute: waitThenDIM

output:
  - platform: ledc
    id: output_pirsense
    pin: GPIO3
    frequency: 20000 Hz
    inverted: True
  - platform: ledc
    pin: GPIO5
    id: output_cold
    frequency: 1000Hz


light:
  - platform: monochromatic
    id: light_monochromatic
    name: Light
    output: output_cold

switch:
  - platform: template
    id: manual_mode_switch
    name: "Manual mode"
    lambda: !lambda |-
      return id(manual_mode);
    turn_on_action:
      then:
        if:
          condition:
            - lambda: "return !id(manual_mode);"
          then:
            - globals.set:
                id: manual_mode
                value: 'true'
            - script.stop: waitThenDIM
            - script.stop: waitThenOff
            - light.turn_on: light_monochromatic
    turn_off_action:
      then:
        if:
          condition:
            - lambda: "return id(manual_mode);"
          then:
            - script.stop: waitThenDIM
            - script.stop: waitThenOff
            - light.turn_off: light_monochromatic
            - globals.set:
                id: manual_mode
                value: 'false'

number:
  - platform: template
    id: full_light_duration_s
    restore_value: yes
    name: Full light duration
    icon: "mdi:clock"
    entity_category: config
    unit_of_measurement: "s"
    min_value: 0
    max_value: 600
    initial_value: 10
    step: 1
    optimistic: true

  - platform: template
    id: dim_light_duration_s
    restore_value: yes
    name: Dim light duration
    icon: "mdi:clock"
    entity_category: config
    unit_of_measurement: "s"
    min_value: 0
    max_value: 60
    initial_value: 10
    step: 1
    optimistic: true

  - platform: template
    id: dim_light_percent
    restore_value: yes
    name: Dim light percent
    icon: "mdi:clock"
    entity_category: config
    unit_of_measurement: "%"
    min_value: 0
    max_value: 100
    initial_value: 50
    step: 1
    optimistic: true

  - platform: template
    id: pirduty_pwm
    restore_value: yes
    initial_value: 7
    name: PIR sensitivity
    icon: "mdi:chip"
    entity_category: config
    min_value: 7
    max_value: 16
    step: 1
    optimistic: true
    on_value:
      then:
        lambda: !lambda |-
          id(output_pirsense).set_level(x/100);

select:
  - platform: template
    id: light_sensitivity_setting
    name: "Ambient light trigger"
    entity_category: config
    restore_value: yes
    options:
     - "Day"
     - "Dusk"
     - "Evenfall"
     - "Evening"
     - "Night"
    initial_option: "Evenfall"
    optimistic: true
    set_action:
      - logger.log:
          format: "Chosen option: %s"
          args: ["x.c_str()"]
    on_value:
      then:
        lambda: !lambda |-
          if (i == 1)
          {
            id(light_sensitivity) = 0.265f;
          }
          else
          if (i == 2)
          {
            id(light_sensitivity) = 0.460f;
          }
          else
          if (i == 3)
          {
            id(light_sensitivity) = 1.400f;
          }
          else
          if (i == 4)
          {
            id(light_sensitivity) = 2.180f;
          }
          else id(light_sensitivity) = 0.0f;
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  • #5 20976683
    ferbulous
    Level 18  
    Hi @lionboy
    Thanks for the yaml
    Since I’ve never tried deep sleep/using battery powered device on esphome with esp32

    From the config, the device is in deep sleep for 18 hours, and stays online from 1am to 6am.
    Assuming it’s dark outside of that time frame so it won’t respond to any motion/lux changes?
    What’s the expected battery life on this?
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  • #6 20976694
    lionboy
    Level 10  

    Yes, but be careful on cbu deep sleep not working like on esp32, and you have 4 mode for night and day.

    This i used to replace CBU

    Just found this amazing item on AliExpress. Check it out! RON19.65 5% Off | ESP8685-WROOM-06 module, built-in ESP8685 chip, RISC-V 32-bit single-core microprocessor
    https://a.aliexpress.com/_EzAoERb

    H4
  • #7 20976700
    divadiow
    Level 36  
    Cool. OpenBK has deep sleep support though..?
  • #8 20976709
    lionboy
    Level 10  

    Yea have but I didn’t know how to setup with open beken
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Topic summary

The discussion revolves around a USB rechargeable LED night light equipped with a Tuya WiFi smart motion sensor, utilizing the BK7231N chip and CBU module. The user encountered issues while attempting to flash Open Beken firmware, successfully controlling the LED but failing to manage the PIR and Lux sensors. A JSON configuration was shared, detailing various parameters such as PWM frequency and PIR sensitivity. Another participant provided a template for Open Beken, indicating the device's compatibility with the Tuya ecosystem. The conversation also touched on transitioning to an ESP32-C3 setup, implementing deep sleep functionality, and the expected battery life under specific conditions. Concerns regarding the deep sleep functionality of the CBU module compared to the ESP32 were raised, along with a mention of OpenBK's support for deep sleep.
Summary generated by the language model.
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