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[BK7231T][WB3S] MCU Dimmer SL-02 Firmware Flashing & Configuration Issue

babaganesh 1248 4
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  • Close-up of a circuit board with a WB3S module.
    Lamp with a white base and a glowing turquoise shade.

    Removing WB3S with soldering iron wasn't easy, cause copper is very thin and easy to torn apart.
    Otherwise usual flashing.

    I've dump tx pin on original firmware when setting color(green)

    //R 2024-02-23 14:13:14 WiFi received:
    55AA00060005150400010125
    //R 2024-02-23 14:13:15 WiFi received:
    55AA000600101803000C30303833303365383033653807

    Received by WiFi module:
    55 AA 00 06 00 05 1504000101 25
    HEADER VER=00 SetDP LEN dpId=21 Enum V=1 CHK

    Received by WiFi module:
    55 AA 00 06 00 10 1803000C303038333033653830336538 07
    HEADER VER=00 SetDP LEN dpId=24 Str V=008303e803e8 Col: ■ CHK

    And tried config

    Code: text Expand Select all Copy to clipboard
    startDriver TuyaMCU
tuyaMcu_setupLED 24 0


    with this I see dimmer buttons on web, but they don't work.
    I guess I missed something in
    >[TasFormat] [dpIDPower]

    Could someone please point me in the right direction

    Cool? Ranking DIY
    About Author
    babaganesh
    Level 3  
    Offline 
    babaganesh wrote 10 posts with rating 2, helped 1 times. Been with us since 2023 year.
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  • Helpful post
    #2 20977514
    p.kaczmarek2
    Moderator Smart Home  
    Here is TuyaMCU guide:
    https://www.elektroda.com/rtvforum/topic4038151.html
    I'd start with:
    Code: text Expand Select all Copy to clipboard
    

// Start TuyaMCu driver
startDriver TuyaMCU
// set TuyaMCU baud rate
//tuyaMcu_setBaudRate 115200
// set TuyaMCU default wifi state 0x04, which means "paired",
// because some TuyaMCU MCUs will not report all data
// unless they think they are connected to cloud
tuyaMcu_defWiFiState 4

    Then I would run the tuyaMcu_sendQueryState command and capture the LOG.

    Can you provide more information on your device, is it single-color only, or RGB, or RGB + CW?
    Helpful post? Buy me a coffee.
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  • #3 20978103
    babaganesh
    Level 3  
    lamp is RGB + contrast and brightness.
    With
    Code: text Expand Select all Copy to clipboard
    
startDriver TuyaMCU
tuyaMcu_setBaudRate 115200
tuyaMcu_defWiFiState 4

    in autoexec.bat, here is result of tuyaMcu_sendQueryState

    Code: text Expand Select all Copy to clipboard
    
Info:CMD:[WebApp Cmd 'tuyaMcu_sendQueryState' Result] OK
Info:TuyaMCU:Received: 55 AA 03 07 00 05 14 01 00 01 00 24 
Info:TuyaMCU:ProcessIncoming[v=3]: cmd 7 (State) len 12
Info:TuyaMCU:ParseState: id 20 type 1-bool len 1
Info:TuyaMCU:ParseState: byte 0
Info:TuyaMCU:Received: 55 AA 03 07 00 08 1A 02 00 04 00 00 00 00 31 
Info:TuyaMCU:ProcessIncoming[v=3]: cmd 7 (State) len 15
Info:TuyaMCU:ParseState: id 26 type 2-val len 4
Info:TuyaMCU:ParseState: int32 0
Info:TuyaMCU:Received: 55 AA 03 07 00 05 15 04 00 01 01 29 
Info:TuyaMCU:ProcessIncoming[v=3]: cmd 7 (State) len 12
Info:TuyaMCU:ParseState: id 21 type 4-enum len 1
Info:TuyaMCU:ParseState: byte 1
Info:TuyaMCU:Received: 55 AA 03 07 00 08 16 02 00 04 00 00 02 58 87 
Info:TuyaMCU:ProcessIncoming[v=3]: cmd 7 (State) len 15
Info:TuyaMCU:ParseState: id 22 type 2-val len 4
Info:TuyaMCU:ParseState: int32 600
Info:TuyaMCU:Received: 55 AA 03 07 00 08 17 02 00 04 00 00 03 E8 19 
Info:TuyaMCU:ProcessIncoming[v=3]: cmd 7 (State) len 15
Info:TuyaMCU:ParseState: id 23 type 2-val len 4
Info:TuyaMCU:ParseState: int32 1000
Info:TuyaMCU:Received: 55 AA 03 07 00 10 18 03 00 0C 30 30 31 65 30 33 65 38 30 33 65 38 36 
Info:TuyaMCU:ProcessIncoming[v=3]: cmd 7 (State) len 23
Info:TuyaMCU:ParseState: id 24 type 3-str len 12
Info:TuyaMCU:Received: 55 AA 03 07 00 A2 19 03 00 9E 30 35 34 36 34 36 30 31 30 30 30 30 30 33 65 38 30 33 65 38 30 30 30 30 30 30 30 30 34 36 34 36 30 31 30 30 37 38 30 33 65 38 30 33 65 38 30 30 30 30 30 30 30 30 34 36 34 36 30 31 30 30 66 30 30 33 65 38 30 33 65 38 30 30 30
Info:TuyaMCU:ProcessIncoming[v=3]: cmd 7 (State) len 169
Info:TuyaMCU:ParseState: id 25 type 3-str len 158
Info:TuyaMCU:Received: 55 AA 03 07 00 06 20 00 00 02 00 00 31 
Info:TuyaMCU:ProcessIncoming[v=3]: cmd 7 (State) len 13
Info:TuyaMCU:ParseState: id 32 type 0-raw len 2


    some app screens:
    App interface for controlling RGB lamp with color, brightness, and contrast settings. Tuya app with Scene tab open, showing colorful patterns and lighting modes. App screen with scene settings named Colorful featuring color selection and flash modes. LED lighting control app screen with color options and modes. TuyaMCU mobile app with a color wheel for adjusting light hue. App interface for controlling EVOLUTION SL-02 lamp with color and brightness options. App screen for light control showing Soft mode with color options. Smartphone app screen with color and brightness settings for the Gorgeous scene mode. App screen with lighting settings

    with TuyaMCUAnalyzer I've found out:

    ## white tab
    Code: text Expand Select all Copy to clipboard
    
dpId=21 Enum V=0


    color temp
    Code: text Expand Select all Copy to clipboard
    
min dpId=23 Val V=0
max dpId=23 Val V=1000


    brightness
    Code: text Expand Select all Copy to clipboard
    
1%     dpId=22 Val V=10
30%   dpId=22 Val V=299
80%   dpId=22 Val V=797
100% dpId=22 Val V=1000


    ## color tab
    Code: text Expand Select all Copy to clipboard
    
dpId=21 Enum V=1


    same purple color and contrast 100
    Code: text Expand Select all Copy to clipboard
    
brightness 1   dpId=24 Str V=012303e8000a
brightness 4   dpId=24 Str V=012303e80026
brightness 30  dpId=24 Str V=012303e8012c
brightness 100 dpId=24 Str V=012303e803e8


    same purple color and brightness 1
    Code: text Expand Select all Copy to clipboard
    
contrast 1   dpId=24 Str V=01230000000a
contrast 4   dpId=24 Str V=01230025000a
contrast 30  dpId=24 Str V=01230130000a
contrast 100 dpId=24 Str V=012303e8000a 


    changing color, brightness and contrast 1
    Code: text Expand Select all Copy to clipboard
    
red        dpId=24 Str V=015d0000000a
yellow   dpId=24 Str V=00320000000a
green    dpId=24 Str V=00650000000a 
blue      dpId=24 Str V=00e10000000a
purple   dpId=24 Str V=01230000000a


    ## scene tab
    Code: text Expand Select all Copy to clipboard
    
dpId=21 Enum V=2


    modes
    Code: text Expand Select all Copy to clipboard
    
night   dpId=25 Str V=000e0d0000000000000000c80000
read    dpId=25 Str V=010e0d0000000000000003e801f4
working dpId=25 Str V=020e0d0000000000000003e803e8
leisure dpId=25 Str V=030e0d0000000000000001f401f4
soft    dpId=25 Str V=04464602007803e803e800000000464602007803e8000a00000000
breath soft    dpId=25 Str V=04646402007803e803e800000000646402007803e8000a0000000064640200e603e803e800000000646402016803e803e800000000
colorful dpId=25 Str V=05464601000003e803e800000000464601007803e803e80000000046460100f003e803e800000000464601003d03e803e80000000046460100ae03e803e800000000464601011303e803e800000000
dazzling dpId=25 Str V=06464601000003e803e800000000464601007803e803e80000000046460100f003e803e800000000
gorgeous dpId=25 Str V=07464602000003e803e800000000464602007803e803e80000000046460200f003e803e800000000464602003d03e803e80000000046460200ae03e803e800000000464602011303e803e800000000
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  • #5 21014574
    p.kaczmarek2
    Moderator Smart Home  
    @babaganesh thank you for providing TuyaMCU captures. However, it is not clear from your post, is the device working now with the OBK config I suggested, or is something still missing? The LED devices in OBK should be covered by tuyaMCU_setupLED command, as we discussed in this topic:
    BK7231N, TuyaMCU and individually addressable LEDs - effects control, adding buttons, thermometer
    Helpful post? Buy me a coffee.
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