Name: EttroIT ESR3516/ESR3532 URL: WI-FI&serie_corrente=Magnetotermico# Module: BK7231N - CBU-IPEX Photos: Connection: You can access CBU by removing rivets with a drill.

boot log from dump w/TuyaMCU emulation using product key 1bnccnulaqx6xerl from dump Code: TextLog in, to see the code dpIDs/schema Code: JSONLog in, to see the code Code: JSONLog in, to see the code

Extra device photos: productRef:ME87393292 mmId:602444120926 manufacturerSKU:ESR3516 ean:8053782741557

Flashing EttroIT ESR3516/ESR3532 BK7231N CBU-IPEX: Pinout, UART, Firmware Info

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#1 21777514 11 Dec 2025 07:35

lamero345 lamero345

Level 2
Topic author

Post #1
21777514 11 Dec 2025 07:35

Name: EttroIT ESR3516/ESR3532

URL: https://www.ettroit.com/prodotti.php?cat=DIFFERENZIALE WI-FI&serie_corrente=Magnetotermico#

Module: BK7231N - CBU-IPEX

Photos:

Connection: https://developer.tuya.com/en/docs/iot/cbuipex-module-datasheet?id=Kaedsyurckrhu

You can access CBU by removing rivets with a drill.

Attachments:

readResult_BK7231N_QIO_2025-10-12-18-07-52.bin Download (2 MB)
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#2 21777539 11 Dec 2025 08:02

divadiow divadiow

Level 37

Helpful post? (+1)

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Post #2
21777539 11 Dec 2025 08:02

boot log from dump w/TuyaMCU emulation using product key 1bnccnulaqx6xerl from dump

Code: Text
Log in, to see the code

dpIDs/schema
Code: JSON
Log in, to see the code

Code: JSON
Log in, to see the code
#3 21790732 26 Dec 2025 22:20

p.kaczmarek2 p.kaczmarek2

Moderator Smart Home

Helpful post? (+1)

Post #3
21790732 26 Dec 2025 22:20

Extra device photos:

productRef:ME87393292
mmId:602444120926
manufacturerSKU:ESR3516
ean:8053782741557

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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Flashing EttroIT ESR3516/ESR3532 BK7231N CBU-IPEX: Pinout, UART, Firmware Info

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