Teardown and config for Smart Home Wifi Smart Switch 10A - 1 gang From recent AliExpress Choice Day sales. Used tuya-cloudcutter to flash OpenBK (didn't even set up in SmartLife app - just went straight to cloudcutter) These cloudcutter settings allowed the exploit > By firmware version and name...

Nice device, just remember to add PowerSave 1 to startup command backlog, those little relay controllers have really weak power supplies and that can help them much.

Thanks for the advice. I'll definitely do that.The device was a little warm, so hopefully that helps.

Yes, that's what I am talking about. It will help much, as long as you don't keep Web App Logs open in the browser 24 hours per day. If you are windows user, you can also start SSDP driver to see device in Windows network places

Teardown, Configuration, and OpenBK Flashing of BK7231N CB2S 10A 1-Gang Smart Switch

anthonythomas 1506 3

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#1 20496233 18 Mar 2023 18:47

anthonythomas anthonythomas

Level 9

Post #1
20496233 18 Mar 2023 18:47

Teardown and config for Smart Home Wifi Smart Switch 10A - 1 gang
From recent AliExpress Choice Day sales.

Used tuya-cloudcutter to flash OpenBK (didn't even set up in SmartLife app - just went straight to cloudcutter)
These cloudcutter settings allowed the exploit
> By firmware version and name
> 1.2.1 - BK7231N / oem_bk7231n_control_switch
> Aubess
> 16A Mini Smart Switch

Pin config
LED_n - 7 - ch1
Rel - 24 - ch1
Btn - 8 - ch1

Photos of teardown
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#2 20496329 18 Mar 2023 19:52

p.kaczmarek2 p.kaczmarek2

Moderator Smart Home

Helpful post? (0)

Post #2
20496329 18 Mar 2023 19:52

Nice device, just remember to add PowerSave 1 to startup command backlog, those little relay controllers have really weak power supplies and that can help them much.

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.
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#3 20496353 18 Mar 2023 20:06

anthonythomas anthonythomas

Level 9

Topic author Helpful post? (0)

Post #3
20496353 18 Mar 2023 20:06

Thanks for the advice. I'll definitely do that.
The device was a little warm, so hopefully that helps.
#4 20496359 18 Mar 2023 20:09

p.kaczmarek2 p.kaczmarek2

Moderator Smart Home

Helpful post? (0)

Post #4
20496359 18 Mar 2023 20:09

Yes, that's what I am talking about. It will help much, as long as you don't keep Web App Logs open in the browser 24 hours per day.

If you are windows user, you can also start SSDP driver to see device in Windows network places

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.
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Teardown, Configuration, and OpenBK Flashing of BK7231N CB2S 10A 1-Gang Smart Switch

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