[BK7231N/CB3S] Shawader Smart WiFi Wall Socket Teardown And Flashing Tasmota/Esphome like OBK
This is a short teardown of Au type Generic Tuya 2 Gang GPO
Basic information:
Brand: Shawader (Tuya based)
Model: Smart WiFi Wall Socket
Chip: BK7231N [CB3S]
Local Vendor: https://shawader.aliexpress.com/store/4884178
These switches look a lot like Makegood GPOs
Main Module version in the Tuya app was V1.1.15 (I couldn't find a match in Tuya-Cloudcutter).
However, these can be flashed directly fairly easily. I used a jig so I didn't need to solder anything.
This is the Au GPO but I would think the EU and US ones would be similar.
The OpenBeken firmware shows power monitoring but I am not sure if that is correct or actually works. It only ever shows zero. I do not think it has a BL0942.
This is what worked for me, I found the Blue Off LEDs did not come on after flashing only the Red On LEDs. However, by adding Btn to P6 and P24 then the Blue Off LEDs returned. So if you do not want Blue LEDs for Off leave P6 and P24 blank.
Pinout for Au 2 Gang GPO:
JSON for Au 2 Gang GPO:
Basic information:
Brand: Shawader (Tuya based)
Model: Smart WiFi Wall Socket
Chip: BK7231N [CB3S]
Local Vendor: https://shawader.aliexpress.com/store/4884178
These switches look a lot like Makegood GPOs
Main Module version in the Tuya app was V1.1.15 (I couldn't find a match in Tuya-Cloudcutter).
However, these can be flashed directly fairly easily. I used a jig so I didn't need to solder anything.
This is the Au GPO but I would think the EU and US ones would be similar.
The OpenBeken firmware shows power monitoring but I am not sure if that is correct or actually works. It only ever shows zero. I do not think it has a BL0942.
This is what worked for me, I found the Blue Off LEDs did not come on after flashing only the Red On LEDs. However, by adding Btn to P6 and P24 then the Blue Off LEDs returned. So if you do not want Blue LEDs for Off leave P6 and P24 blank.
Pinout for Au 2 Gang GPO:
P6 Btn 2*
P7 Btn 2
P8 WifiLED_n
P9 Btn 1
P14 Rel 2
P24 Btn 1*
P26 Rel 1JSON for Au 2 Gang GPO:
{
"vendor": "Tuya",
"bDetailed": "0",
"name": "Shawader Smart WiFi Wall Socket",
"model": "2 Gang GPO",
"chip": "BK7231N",
"board": "CB3S",
"flags": "1024",
"keywords": [
"GPO"
],
"pins": {
"6": "Btn;2",
"7": "Btn;2",
"8": "WifiLED_n;0",
"9": "Btn;1",
"14": "Rel;2",
"24": "Btn;1",
"26": "Rel;1"
},
"command": "backlog startDriver CSE7766; SetupEnergyStats 1 30 120 0",
"image": "https://obrazki.elektroda.pl/6590760200_1698396978.jpg",
"wiki": ""
}
Comments
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