Hey All, Couple of months back I had purchased a 2 Gang Tuya switch from Amazon India website and today I was in a mood to check if the device is OBK compatible via cloud cutter, to my surprise the Cloud cut worked fine, and I was able to flash OBK (used Tuya Genric DS 102 2Gang profile) to...

Name: BK7231T/WB3S - Martin Jerry - 2 Gang Tuya Switch - Configuration needed
Uploaded: 2024-03-07T11:50:44+01:00
Description: Hey All, Couple of months back I had purchased a 2 Gang Tuya switch from Amazon India website and today I was in a mood to check if the device is OBK compatible via cloud cutter, to my surprise the Cloud cut worked fine, and I was able to flash OBK (used Tuya Genric DS 102 2Gang profile) to...

Hey, the GPIO extraction tool did the trick, and the device is now working perfectly... Below is the template, please add it Code: text Expand Select all Copy to clipboard{ vendor: Tuya, bDetailed: 0, name: Martin Jerry 2 Gang Smart Wall Switch, model: Martin Jerry 2 Gang Switch, chip: BK7231T, board: TODO, flags: 1024, keywords: [ TODO, TODO, TODO ], pins: { 1: WifiLED_n;0, 6: Rel;1, 8: Btn;2, 14: Btn;1, 24: Rel;2 }, command: , image: wiki: which can be importedCode: text Expand Select all Copy to clipboardClearIO // clear old GPIO/channels lfs_format // clear LFS StartupCommand // clear STARTUP stopDriver * // kill drivers backlog setPinRole 1 WifiLED_n; setPinChannel 1 0 backlog setPinRole 6 Rel; setPinChannel 6 1 backlog setPinRole 8 Btn; setPinChannel 8 2 backlog setPinRole 14 Btn; setPinChannel 14 1 backlog setPinRole 24 Rel; setPinChannel 24 2 Flags 1024

I don't think it's TuyaMCU because I can't see RX/TX pins of WB3S soldered anywhere. Can you try to open Web App and use the GPIO Doctor there to find the roles of the GPIO? Start with relays. Alternatively, try to automatic GPIO extraction:

BK7231T/WB3S - Martin Jerry - 2 Gang Tuya Switch - Configuration needed

DCG 579 2

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#1 20992899 06 Mar 2024 16:03

DCG DCG

Level 6

Post #1
20992899 06 Mar 2024 16:03

Hey All,

Couple of months back I had purchased a 2 Gang Tuya switch from Amazon India website and today I was in a mood to check if the device is OBK compatible via cloud cutter, to my surprise the Cloud cut worked fine, and I was able to flash OBK (used Tuya Genric DS 102 2Gang profile) to flash OBK.

I am now stuck since the device could be Tuya MCU WB3S and unable to identify DpIDs and Pins.

https://www.amazon.in/gp/product/B0CGF3RY2Q/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1

Please need help
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#2 20992995 06 Mar 2024 17:13

p.kaczmarek2 p.kaczmarek2

Moderator Smart Home

Helpful post? (0)

Post #2
20992995 06 Mar 2024 17:13

I don't think it's TuyaMCU because I can't see RX/TX pins of WB3S soldered anywhere.

Can you try to open Web App and use the GPIO Doctor there to find the roles of the GPIO? Start with relays.

Alternatively, try to automatic GPIO extraction:

I am creating multiplatform open source firmware (Tasmota replacement), right now supporting BK7231T, BK7231N, XR809, BL602, W800, W600, LN882H and soon supporting RTL and W701:
https://github.com/openshwprojects/OpenBK7231T
If you like my work, support me at: https://paypal.me/openshwprojects

Helpful post? Buy me a coffee.

Helpful post

#3 20994054 07 Mar 2024 11:50

DCG DCG

Level 6

Helpful post

Post #3

20994054 07 Mar 2024 11:50

p.kaczmarek2 wrote:
I don't think it's TuyaMCU because I can't see RX/TX pins of WB3S soldered anywhere.

Alternatively, try to automatic GPIO extraction:

Hey, the GPIO extraction tool did the trick, and the device is now working perfectly...

Below is the template, please add it

{
  "vendor": "Tuya",
  "bDetailed": "0",
  "name": "Martin Jerry 2 Gang Smart Wall Switch",
  "model": "Martin Jerry 2 Gang Switch",
  "chip": "BK7231T",
  "board": "TODO",
  "flags": "1024",
  "keywords": [
    "TODO",
    "TODO",
    "TODO"
  ],
  "pins": {
    "1": "WifiLED_n;0",
    "6": "Rel;1",
    "8": "Btn;2",
    "14": "Btn;1",
    "24": "Rel;2"
  },
  "command": "",
  "image": "https://m.media-amazon.com/images/I/51sbTxJ1uWL._SL1500_.jpg",
  "wiki": "https://www.elektroda.com/rtvforum/topic4040836.html

Script which can be imported

ClearIO // clear old GPIO/channels
lfs_format // clear LFS
StartupCommand ""  // clear STARTUP
stopDriver *  // kill drivers
backlog setPinRole 1 WifiLED_n; setPinChannel 1 0
backlog setPinRole 6 Rel; setPinChannel 6 1
backlog setPinRole 8 Btn; setPinChannel 8 2
backlog setPinRole 14 Btn; setPinChannel 14 1
backlog setPinRole 24 Rel; setPinChannel 24 2
Flags 1024

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BK7231T/WB3S - Martin Jerry - 2 Gang Tuya Switch - Configuration needed

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