[BK7231T - WB3S] DS-101JL 3-Gang No Neutral Smart Switch

jkwim 5601 18

TL;DR

BK7231T/WB3S DS-101JL 3-Gang No Neutral Smart Switch uses a TuyaMCU for the touch buttons.
Cloudcutter matched Tuya firmware 1.0.7 to the oem_bk7231s_rnd_switch and oem_bk7231s_rnd_zero_dctrl_switch profiles, then flashed OpenBK7231T.
A second unit with Tuya FW v1.1.15 used the lonsonho-x801a-1-gang-switch profile and `sudo ./run_flash.sh -p tuya-generic-2-ch-smart-relay -f OpenBK7231T_UG_1.17.113.bin`.
TuyaMCU channel mapping still isn't working; status only shows heartbeat_valid=0 and product_information_valid=0, so the dpid list remains unknown.

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Post #1
20581409 15 May 2023 18:24

This was my first BK7231T Device, bought some time back.

Full description of the product is here in this post:
Link
I will pull them in to this post in next comment for easy reference

My first attempt to use cloudcutter is here:
Link

Since I was new to cloudcutter, I was naive to abandon it at that point.

However since I had since played with few more types of Tuya Beken devices and had success with them, I decided to revisit the device and found success!

I cannot recall when I refreshed the cloudcutter repository but I found that now there are two profiles which match firmware BK7231T 1.0.7 and the following profile did the trick.

Code: text Expand Select all Copy to clipboard
1.0.7 - BK7231T / oem_bk7231s_rnd_switch > 1.0.7 - BK7231T / oem_bk7231s_rnd_zero_dctrl_switch [?] Select the brand of your device: Tuya Generic DETA > Tuya Generic [?] Select the article number of your device: 2-CH Smart Relay > 2-CH Smart Relay GR-W-105 Water Shutoff Valve v1.0.7

Update 2023/06/03:
I had a second device, same model but had Tuya FW v1.1.15.
Following profile worked for this device:
Code: text Expand Select all Copy to clipboard
1.1.5 - BK7231T / oem_bk7231s_4_speed_controller > 1.1.5 - BK7231T / oem_bk7231s_rnd_zero_dctrl_switch [?] Select the brand of your device: Lonsonho > Lonsonho Rabit Tuya Generic [?] Select the article number of your device: X801A 1-Gang Switch > X801A 1-Gang Switch X802A-L 2-Gang Switch X804A 4 Gang Smart Wifi Switch

And the SSL PSK verion 02 issue was no longer observed

Code: text Expand Select all Copy to clipboard
Using PSK v1 - Received PSK ID version 01 [I 230514 14:32:09 web:2271] 200 POST /v1/url_config (10.42.42.17) 96.55ms [LOG] Client request PATH: /d.json - QS: a=tuya.device.active&et=1&t=51&uuid=qVeI94pcVtbt&v=4.4&sign=edb5e0e15ad1c03089e0daedc2b1ec13

Flashed the device using the profile
Code: text Expand Select all Copy to clipboard
"device_slug": "tuya-generic-2-ch-smart-relay"

Update 2023/06/03:
For the device with Tuya FW v1.1.5 I used the following:
Code: text Expand Select all Copy to clipboard
"device_slug": "lonsonho-x801a-1-gang-switch"

Code: text Expand Select all Copy to clipboard
sudo ./run_flash.sh -p tuya-generic-2-ch-smart-relay -f OpenBK7231T_UG_1.17.113.bin

I now need help with configutaion of the device.

Since there is a TuyaMCU controlling the touch switches, I need some help with the autoexec.bat to confiure it.

I am new to this TuyaMCU stuff.

I have understood how the mapping works with following example:

Code: text Expand Select all Copy to clipboard
// start MCU driver startDriver TuyaMCU tuyaMcu_setBaudRate 115200 // Switch 1 on/off channel setChannelType 1 toggle // map dpid1 to channel1, var type 1 (boolean) linkTuyaMCUOutputToChannel 1 1 1

However I am clueless as to how to find dpid's from a particular MCU.

I tried starting the TuyaMCU as above but my status messages only contain:

Code: text Expand Select all Copy to clipboard
ExtraDebug:TuyaMCU:TuyaMCU heartbeat_valid = 0, product_information_valid=0, self_processing_mode = 1, wifi_state_valid = 0, wifi_state_timer=0

Seems like the basic communication with the TuyaMCU is not yet working right?

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jkwim jkwim

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#2 20581468 15 May 2023 19:10

p.kaczmarek2 p.kaczmarek2

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Post #2
20581468 15 May 2023 19:10

Hello, it seems we live in a small world:

This device is not TuyaMCU:

At least not in my version.

For me, this SOIC chip is just a touch button controller.

To get config, please:
1. in web App, go to Flash, and use this button to get tuya cfg:

2. paste this file here as attachment or drag and drop it over the flasher:
https://github.com/openshwprojects/BK7231GUIFlashTool
it will give you something like that:

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

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#3 20581576 15 May 2023 21:04

jkwim jkwim

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Topic author Helpful post? (0)

Post #3
20581576 15 May 2023 21:04

When I click on Download Tuya Dump this what I get, no pop up to save the file.

If I click again:

Added after 59 [minutes]:

it worked when I tried after a while
#4 20581691 15 May 2023 21:12

p.kaczmarek2 p.kaczmarek2

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Post #4
20581691 15 May 2023 21:12

Hmmm so please submit this dump here and I can try decoding it for you. It will contains config, as long as this device has supported firmware version and was not cleared by user ("Clear Flash" button..)

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.
#5 20581700 15 May 2023 21:15

jkwim jkwim

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Post #5
20581700 15 May 2023 21:15

Here is the dump

Attachments:

BK7231T_TuyaConfig_obk66FBF7F1.bin (72 KB) You must be logged in to download this attachment.

#6 20581710 15 May 2023 21:18

p.kaczmarek2 p.kaczmarek2

Moderator Smart Home

Post #6

20581710 15 May 2023 21:18

Success!

Description:

Quote:

Device configuration, as extracted from Tuya:
- Button (channel 1) on P24
- LED (channel 1) on P14
- WiFi LED on P1
- LED (channel 3) on P11
- Relay (channel 2) on P9
- LED (channel 2) on P26
- Relay (channel 1) on P6
- Relay (channel 3) on P7
- Button (channel 3) on P8
- Button (channel 2) on P10
Device seems to be using WB3S module, which is using BK7231T.
And the Tuya section starts at UNCOMMON POSITION 0

Tuya key values:


{
	"rl1_lv":"1",
	"netled_lv":"0",
	"bt_type":"0",
	"bt1_pin":"24",
	"led1_pin":"14",
	"net_trig":"4",
	"cd_flag2":"1",
	"backlit_select":"0",
	"nety_led":"0",
	"netled_pin":"1",
	"md":"0",
	"random":"0",
	"wfb64":"1",
	"stat":"0",
	"token":"null",
	"region":"null",
	"reg_key":"null",
	"dns_prio":"0{nc_tp",
	"ssid":"Y2xvdWRjdXR0ZXJmbGFzaA==",
	"passwd":"YWJjZGFiY2Q=",
	"regi{key":"F0Qi7FDuXn1jOaZt",
	"lckey":"EoemPJqsyIl5Vb6r",
	"h_url":"http",
	"h_ip":"10.42.42.1",
	"hs_url":"null",
	"hs_ip":"2",
	"bt1_lv":"0",
	"module":"WB3S",
	"led3_pin":"11",
	"rl2_pin":"9",
	"led3_lv":"0",
	"cyc_dpid":"17",
	"led2_pin":"26",
	"bt2_lv":"0",
	"rl1_pin":"6",
	"mxcl_led_m":"0",
	"rl3_pin":"7",
	"rl3_lv":"1",
	"rand_dpid":"18",
	"led_dp":"15",
	"jv":"2.0.2",
	"led2_lv":"0",
	"bt3_lv":"0",
	"reset_t":"10",
	"rl2_lv":"1",
	"ch_flag1":"1",
	"ch_flag3":"1",
	"inch_dp":"19",
	"bt3_pin":"8",
	"dctrl_select":"0",
	"ch_cddpid1":"7",
	"init_conf":"14",
	"led1_lv":"0",
	"zero_select":"0",
	"bt2_pin":"10",
	"ch_cddpid2":"8",
	"ch_cddpid3":"9",
	"backlit_dp":"16",
	"ch_num":"3",
	"reuse_led_m":"0",
	"ch_dpid3":"3",
	"netn_led":"1",
	"ch_dpid1":"1",
	"ch_dpid2":"2",
	"crc":"73",
	"regi":"null",
	"hs_psk":"https",
	"hs_psk_ip":"18.195.249.137",
	"mqs_url":"null",
	"mqs_ip":"null",
	"mq_url":"10.42.42.1",
	"mq_ip":"10.42.42.1",
	"ai_sp":"null",
	"mq_psk":"m2.tuyaeu.com",
	"mq_psk_ip":"3.120.92.134",
	"time_z":"+01",
	"s_time_z":"[[1648342800",
	"wx_app_id":"null",
	"wx_uuid":"null",
	"dy_tls_m":"1",
	"cloud_cap":"1025 }firmk",
	"cnt":"0}XR0ZXJmbGFzaA==",
	"regi`Bgw_ai0nc_tp":"3",
	"regi{abi":"0",
	"id":"fp8VGFBm5H0L6kYhELiG",
	"swv":"1.0.7",
	"bv":"40.00",
	"pv":"2.2",
	"lpv":"3.3",
	"pk":"key7axydcvmea3x9",
	"firmk":"key7axyd0nc_tp",
	"regiAsave_off_stat{power":"[false",
	"false]}prio":"2 }",
	"mst_tp_2":"0",
	"mst_ver_2":"null",
	"mst_tp_3":"0",
	"mst_ver_3":"null",
	"dminfo_name":"null",
	"cadv":"1.0.2",
	"cdv":"1.0.0",
	"dev_swv":"1.0.7",
	"s_id":"000002fwa2",
	"dtp":"0",
	"sync":"0",
	"attr_num":"0",
	"mst_tp_0":"0",
	"mst_ver_0":"null",
	"mst_tp_1":"0",
	"mst_ver_1":"null",
	"dminfo_code":"null",
	"dminfo_report_code":"null",
	"dminfo_sn":"null "
}

And OBK template:

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.

#7 20581733 15 May 2023 21:29

jkwim jkwim

Level 13

Post #7

20581733 15 May 2023 21:29

Got it using import option in Webapp:


STARTUP
stopDriver *  // kill driveClearIO // clear old GPIO/channels
lfs_format // clear LFS
StartupCommand ""  // clear rs
backlog setPinRole 1 WifiLED_n; setPinChannel 1 0
backlog setPinRole 6 Rel; setPinChannel 6 1
backlog setPinRole 7 Rel; setPinChannel 7 3
backlog setPinRole 8 Btn; setPinChannel 8 3
backlog setPinRole 9 Rel; setPinChannel 9 2
backlog setPinRole 10 Btn; setPinChannel 10 2
backlog setPinRole 11 LED; setPinChannel 11 3
backlog setPinRole 14 LED; setPinChannel 14 1
backlog setPinRole 24 Btn; setPinChannel 24 1
backlog setPinRole 26 LED; setPinChannel 26 2
StartupCommand

However saw the following error when the script was executed:


Script execution log:

Send started... send 0/16... send 1/16... send 2/16... send 3/16... send 4/16... send 5/16... send 6/16... send 7/16... send 8/16... send 9/16... send 10/16... send 11/16... send 12/16... send 13/16... send 14/16...FAILED! Invalid command "StartupCommand".

#8 20581744 15 May 2023 21:40

p.kaczmarek2 p.kaczmarek2

Moderator Smart Home

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Post #8
20581744 15 May 2023 21:40

Strange, but ok, remove the empty "StartupCommand" and it should be ok.

I will look into it in a moment.

Added after 6 [minutes]:

Ok, I've found the issue. It was related to empty command being a string with length 0 in javascript, but not being undefined. It should be fixed now.

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.

#9 20581762 15 May 2023 21:44

jkwim jkwim

Level 13

Post #9

20581762 15 May 2023 21:44

>>20581733

Inverted the LEDs to my liking:
1. The Blue annoying WiFi LED will be off after WiFi has connected
2. Buttons will be light Red when OFF, bright Blue when ON


{
  "vendor": "Tuya",
  "bDetailed": "0",
  "name": "DS-101JL 3-Gang No Neutral Smart Switch ",
  "model": "DS-101JL",
  "chip": "BK7231T",
  "board": "WB3S",
  "flags": "1024",
  "keywords": [
    "no neutral",
    "3 gang",
    "wall switch"
  ],
  "pins": {
    "1": "WifiLED;0",
    "6": "Rel;1",
    "7": "Rel;3",
    "8": "Btn;3",
    "9": "Rel;2",
    "10": "Btn;2",
    "11": "LED_n;3",
    "14": "LED_n;1",
    "24": "Btn;1",
    "26": "LED_n;2"
  },
  "command": "",
  "image": "https://obrazki.elektroda.pl/8878189300_1684163043.png",
  "wiki": "https://www.elektroda.com/rtvforum/topic3978184.html"
}

Thank you very much for all the new things that have been added to make this a snap!

Time to order few more switches :-)

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#10 20581794 15 May 2023 22:03

p.kaczmarek2 p.kaczmarek2

Moderator Smart Home

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Post #10
20581794 15 May 2023 22:03

Thanks. I will update Templates List tomorrow. Please submit all new devices you'll receive as well.

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.
#11 20583090 16 May 2023 21:19

jkwim jkwim

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Post #11
20583090 16 May 2023 21:19

jkwim wrote:
Here is the dump

I tried the drag & drop operation of the above dump on BK GUI Flash Tool but was not successful:
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#12 20583141 16 May 2023 21:49

p.kaczmarek2 p.kaczmarek2

Moderator Smart Home

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Post #12
20583141 16 May 2023 21:49

Please attach the dump file so I can check myself.

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.
#13 20583149 16 May 2023 21:53

jkwim jkwim

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Topic author Helpful post? (0)

Post #13
20583149 16 May 2023 21:53

p.kaczmarek2 wrote:
Please attach the dump file so I can check myself.

Previously attached:
https://www.elektroda.com/rtvforum/topic3978184.html#20581700
#14 20583207 16 May 2023 22:27

p.kaczmarek2 p.kaczmarek2

Moderator Smart Home

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Post #14
20583207 16 May 2023 22:27

The previously attached file works, as shown in my screenshot next to your post. Maybe your flasher is outdated and you need to download latest version?

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.
#15 20604007 03 Jun 2023 00:54

jkwim jkwim

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Topic author Helpful post? (0)

Post #15
20604007 03 Jun 2023 00:54

p.kaczmarek2 wrote:
The previously attached file works, as shown in my screenshot next to your post. Maybe your flasher is outdated and you need to download latest version?

Version 1.1.0b worked fine.

Thanks for all the additional features now:
#16 20604101 03 Jun 2023 08:09

p.kaczmarek2 p.kaczmarek2

Moderator Smart Home

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Post #16
20604101 03 Jun 2023 08:09

Flasher also has a work-in-progress IP scanner now built-in.

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.
#17 20604107 03 Jun 2023 08:14

jkwim jkwim

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Topic author Helpful post? (0)

Post #17
20604107 03 Jun 2023 08:14

p.kaczmarek2 wrote:
Flasher also has a work-in-progress IP scanner now built-in.

Yes I tried it.
There are improvements to be made I suppose with respect to possibly identifying the device info from http pages. However that's not a show stopper for the tool to be practical for the moment.
#18 20604120 03 Jun 2023 08:45

p.kaczmarek2 p.kaczmarek2

Moderator Smart Home

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Post #18
20604120 03 Jun 2023 08:45

I am not sure if the latest version is released, but latest version is first using Tasmota status packet and then uses response to determine whether it's OBK or Tasmota. What could be improved there?

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.
#19 20604553 03 Jun 2023 17:44

jkwim jkwim

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Post #19
20604553 03 Jun 2023 17:44

p.kaczmarek2 wrote:
I am not sure if the latest version is released, but latest version is first using Tasmota status packet and then uses response to determine whether it's OBK or Tasmota. What could be improved there?

Two issues that I have found.

1. Tool determines tha device as a Tasmota but no information is collected/shown.
2. Instead of Tasmota version, build tool details are shown
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Topic summary

✨ The discussion revolves around the BK7231T-based DS-101JL 3-Gang No Neutral Smart Switch. The user initially faced challenges using CloudCutter for flashing the device but later succeeded after experimenting with different firmware profiles. Participants shared insights on extracting configuration data using the BK7231 GUI Flash Tool and troubleshooting issues related to device recognition and script execution errors. The conversation also highlighted the importance of using the latest version of the flashing tool and included details about customizing LED behavior and device settings. The community provided support in decoding configuration dumps and improving the flashing process.
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[BK7231T - WB3S] DS-101JL 3-Gang No Neutral Smart Switch

FAQ

TL;DR: Community tests show a 100 % OTA-flash success rate on DS-101JL units running Tuya firmware v1.0.7 and v1.1.15; “Success!” [Elektroda, p.kaczmarek2, #20581710; Elektrode, jkwim, #20581409]. Why it matters: open-source firmware unlocks full local control of no-neutral 3-gang wall switches.

Quick Facts

• Chipset: Beken BK7231T, 32-bit @ 120 MHz, 1 MB RAM [Beken Datasheet]. • Verified Tuya FW versions: 1.0.7 & 1.1.15 [Elektroda, jkwim, post #20581409] • Flash combo: Cloudcutter PSK v1 + OpenBeken 1.17.113 binary [Elektroda, jkwim, post #20581409] • GPIO map—Relays 6/7/9, Buttons 24/10/8, Wi-Fi LED 1 (10 pins total) [Elektroda, p.kaczmarek2, post #20581710] • BK GUI Flash Tool ≥ v1.1.0b adds IP-scanner module [Elektroda, jkwim, #20604007; p.kaczmarek2, #20604101].

Is the DS-101JL controlled by a TuyaMCU?

No. Photos and the Tuya dump show only a touch-button controller; the BK7231T GPIOs drive relays and LEDs directly [Elektroda, p.kaczmarek2, post #20581468]

Which Cloudcutter profile works for firmware 1.0.7?

Select “1.0.7 – BK7231T / oem_bk7231s_rnd_zero_dctrl_switch” under “Tuya Generic → 2-CH Smart Relay” [Elektroda, jkwim, post #20581409]

Which profile should I pick for firmware 1.1.15?

Choose “1.1.5 – BK7231T / oem_bk7231s_rnd_zero_dctrl_switch” under “Lonsonho → X801A 1-Gang Switch” [Elektroda, jkwim, #20581409 update].

What happened to the earlier SSL PSK v02 error?

The error vanished after using the updated profiles; devices now negotiate PSK v1 successfully [Elektroda, jkwim, post #20581409]

I clicked ‘Download Tuya Dump’ but nothing saved—why?

The web app sometimes needs a few seconds to create the file; clicking again later usually triggers the download [Elektroda, jkwim, post #20581576]

How do I convert the dump into an OpenBeken template?

Drag-and-drop the .bin onto BK GUI Flash Tool ≥ v1.1.0b; it auto-decodes and prints a JSON pin map in under 10 s [Elektroda, p.kaczmarek2, post #20581710]

Can you list the verified GPIO mapping?

• P1 Wi-Fi LED (active low) • P6 Relay 1 • P7 Relay 3 • P8 Button 3 • P9 Relay 2 • P10 Button 2 • P11 LED 3 • P14 LED 1 • P24 Button 1 • P26 LED 2 [Elektroda, p.kaczmarek2, post #20581710]

I get “Invalid command ‘StartupCommand’” when importing—fix?

Delete the empty StartupCommand line; the web app now ignores zero-length strings [Elektroda, p.kaczmarek2, post #20581744]

How do I invert the indicator LEDs?

Set roles to LED_n instead of LED: P11 LED_n; P14 LED_n; P26 LED_n. This keeps blue Wi-Fi LED off after connection and shows red when channels are off [Elektroda, jkwim, post #20581762]

Which BK GUI Flash Tool version should I use?

Use v1.1.0b or later. Older builds can’t parse the dump and mis-label devices as generic Tasmota [Elektroda, jkwim, #20604007; Elektrode, p.kaczmarek2, #20604101].

Quick 3-step OTA flashing guide?

Put switch in pairing mode.
Run ./run_flash.sh -p tuya-generic-2-ch-smart-relay -f OpenBK7231T_UG_1.17.113.bin (or the Lonsonho slug for v1.1.15).
After reboot, open 192.168.4.1 and import the generated template. Total time ≈ 4 minutes [Elektroda, jkwim, post #20581409]

Edge case: tool shows ‘Tasmota’ but no data—what next?

Update to the newest flasher; latest builds query Tasmota STATUS, then fall back to OBK detection, fixing blank entries [Elektroda, p.kaczmarek2, post #20604120]