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How to Flash Custom Firmware on LSC Smart Connect A60 E27 RGB BK7231N CBLC5 Bulb

louiscubiquepro 741 3
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📢 Listen (AI):
  • Hello guys.

    Today we hack a LSC Smart Connect LED Smart Lightbulb A60 E27 RGB.

    White LED light bulb with E27 screw base lying on a dark, scratched surface

    First open the bulb with a spudger:

    White LED bulb with E27 screw base on a gray surface next to an “iSesame” sticker.

    Hand holds an opened LED bulb with a circular PCB and SMD LEDs; an “iSesamo” glue tube lies nearby.

    Next remove the joint with a cutter:

    Opened LED light bulb with a circular PCB and SMD LEDs, held in a hand

    And remove the Led board:
    Opened LED light bulb showing internal electronics, with a separate round LED board on the table

    Now we have to desolder the CBLC5 Chip (I didn't want to remove the board, but you do as you wish.)

    Disassembled LED bulb with exposed PCB, next to a solder spool and a soldering iron tip

    Now take your Uart programmer and solder it as shown in the diagram.

    chip TX > RX programmer
    chip RX> TX programmer
    and solder a cable on RST

    UART wiring diagram on CBLC5 board with marked TX, RX, RST, 3V3, and GND pads

    Programmer PCB with a ZIF socket, next to a solder wire spool and connected leads

    Next connect the programmer to the pc and launch the Uart Flasher : Link
    Set the correct port, download the firmware, and make a backup.( The software will ask you to connect the pin rst to gnd. Do so and the backup will start.)

    Screenshot of BK7231 Easy UART Flasher showing COM3 selected and baud rate set to 230400
    Screenshot of BK7231 Easy UART Flasher reading firmware, showing “Reading…” and a log window

    Next Flash the Module with the firmware. (You may have to change the Baud rate.)

    Screenshot of BK7231 Easy UART Flasher showing “Writing…” and a log of flash sector erasing.

    Check for a Wi-Fi called OpenBK7231N_ XXXXXXX and connect to it, then set up the Wi-Fi.
    Desolder the module and clean it.
    Clean the pad on the motherboard and resolder the module.
    Clean the joints and replace the LED board.
    Do not replace the bulb, then connect the lamp to 230V and test it.

    {
      "vendor": "Action",
      "bDetailed": "0",
      "name": "LSC Smart Connect LED Smart Lightbulb A60 E27 RGB (WiFi)",
      "model": "ArtNo. 2578539.1",
      "chip": "BK7231N",
      "board": "CBLC5",
      "flags": "5124",
      "keywords": [
        "Action LCS",
        "Lightbulb",
        "BK7231N",
        "CBLC5",
        "OpenBeken"
      ],
      "pins": {
        "6": "KP18058_DAT;0",
        "24": "KP18058_CLK;0"
      },
      "command": "backlog PowerSave 1; stopDriver *; startDriver KP18058; KP18058_Map 2 1 0 4 3; KP18058_Current 4 4; Dimmer 50;"
    }
    


    Now test the color and white balance, and if it is good, glue the bulb.

    LED light bulb on a work surface next to a “KRAFT” glue bottle, tools in the background

    Voilaaa !!

    Now you have a functional Open Beken bulb.

    Thank you for reading.
    AI: Hey, just to clarify—are you looking for help with any specific part of this flashing process, or are you just sharing your experience?
    Sharing my experience
    AI: Did you run into any issues or errors while flashing the firmware or setting up the bulb that you need advice on?
    No just have to change the baud rate ^^

    Cool? Ranking DIY
    About Author
    louiscubiquepro
    Level 1  
    Offline 
    louiscubiquepro wrote 1 posts with rating 4. Been with us since 2025 year.
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  • #2 21848724
    GGK
    Level 13  
    Is this WiFi network to be called Open or has AI gone astray in the translation?
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  • #3 21848778
    p.kaczmarek2
    Moderator Smart Home
    Translation error, Wi-Fi is called "OpenBK...":
    Screenshot of WLAN settings showing Wi‑Fi networks, including “OpenBK7231N_5020F1E6” and “Vodafone Hotspot”.
    (example from another post)
    Helpful post? Buy me a coffee.
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