Available from AliExpress and Amazon Single relay switches L for both outlets. Tuya AU Avoir IP66 Outdoor Dual Smart Socket

Thanks, I will add this entry right away. Out of curiosity, why did you desolder the WiFi module with hot air? I see you've partially melted the pin header as well. Kapton tape could have preventd that

The CB3S is quite tight against those unused headers and it was hard to tell if the lower pads were soldered or not. Now we know they're not. Also noted the wires from the 16A relay are 1.5mm2, I think, while the wires between the sockets are 2.5mm2.

Tuya AU Avoir IP66 Outdoor Dual Smart Socket has now failed. Scorched board, regulator, IC and CB3S all failed. No weather ingress. no obvious cause. Quickest/easiest solution for me was to grab the board out of one of these which fitted where the original board was.

How Does the Single Relay Operate in the Tuya AU Avoir IP66 Dual Smart Socket?

andrewmarkcongdon 951 3

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#1 20879283 28 Dec 2023 08:21

andrewmarkcongdon andrewmarkcongdon

Level 7

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Post #1

20879283 28 Dec 2023 08:21

Available from AliExpress and Amazon
https://www.amazon.com.au/Smart-Socket-Waterproof-Outdoor-SNW-2AU/dp/B0C9TMQM94?th=1

Single relay switches L for both outlets.


{
  "vendor": "Tuya",
  "bDetailed": "0",
  "name": "AU Avoir IP66 Outdoor Dual Smart Socket",
  "model": "SNW-2AU",
  "chip": "BK7231N",
  "board": "CB3S",
  "flags": "1024",
  "keywords": [
    "single relay",
    "cuts off L"
  ],
  "pins": {
    "6": "BL0937CF1;0",
    "7": "Btn;0",
    "8": "Rel;0",
    "9": "WifiLED;0",
    "24": "BL0937CF;0",
    "26": "BL0937SEL;0"
  },
  "image": "https://obrazki.elektroda.pl/7329927800_1703746545.jpg",
  "wiki": "https://www.elektroda.com/rtvforum/topic4024413.html"
}

[BK7231N/CB3S] Tuya AU Avoir IP66 Outdoor Dual Smart Socket

Attachments:

TUYA-Avoir-readResult_BK7231N_QIO_2023-24-12--17-48-45.bin Download (2 MB)

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#2 20879290 28 Dec 2023 08:35

p.kaczmarek2 p.kaczmarek2

Moderator Smart Home

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20879290 28 Dec 2023 08:35

Thanks, I will add this entry right away. Out of curiosity, why did you desolder the WiFi module with hot air? I see you've partially melted the pin header as well. Kapton tape could have preventd 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 20880561 28 Dec 2023 21:42

andrewmarkcongdon andrewmarkcongdon

Level 7

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Post #3
20880561 28 Dec 2023 21:42

p.kaczmarek2 wrote:
Out of curiosity, why did you desolder the WiFi module with hot air?

The CB3S is quite tight against those unused headers and it was hard to tell if the lower pads were soldered or not. Now we know they're not.

Also noted the wires from the 16A relay are 1.5mm2, I think, while the wires between the sockets are 2.5mm2.
#4 21178082 03 Aug 2024 09:26

andrewmarkcongdon andrewmarkcongdon

Level 7

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Post #4
21178082 03 Aug 2024 09:26

Tuya AU Avoir IP66 Outdoor Dual Smart Socket has now failed. Scorched board, regulator, IC and CB3S all failed.
No weather ingress. no obvious cause.
Quickest/easiest solution for me was to grab the board out of one of these which fitted where the original board was.
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