[BK7231T / WB3S] AT-Q-SMR1-20 wifi DIN rail RCBO circuit breaker + energy meter

TurkeyMan 4284 31

#31 21177104 02 Aug 2024 10:57

p.kaczmarek2 p.kaczmarek2

Moderator Smart Home
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Post #31
21177104 02 Aug 2024 10:57

Requesting refresh of data points periodically is very easy in OpenBeken. You can just add the following line to your autoexec.bat script:
Code: text Expand Select all Copy to clipboard
// every 60 seconds, request update from TuyaMCU addRepeatingEvent 60 -1 tuyaMcu_sendQueryState

See more autoexec.bat samples:
https://github.com/openshwprojects/OpenBK7231T_App/blob/main/docs/autoexecExamples.md
You can also enable TuyaMCU queue in the flags.

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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#32 21236241 23 Sep 2024 11:45

7825995 7825995

Level 6

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Post #32
21236241 23 Sep 2024 11:45

Hello everyone!
Did you manage to finally configure this switch?
I corresponded with the seller of this switch for a long time about the Modbus version.
Unfortunately, the settings of my Modbus network are different from the Modbus settings of the switch, so I did not buy it.
As the seller said, the Modbus and WiFi versions have the same capabilities of the switch.
I have a description of the Modbus registers, maybe it will help in the correct configuration of the switch?
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Topic summary

The discussion revolves around the teardown and analysis of the AT-Q-SMR1-20 WiFi DIN rail RCBO circuit breaker and energy meter, highlighting its mechanical design and capabilities compared to traditional setups. Users express interest in extracting firmware via OTA hacks and discuss the internal components, including various chips like HT7017 and TuyaMCU. There are inquiries about UART communication, RS485 connections, and the potential for Modbus integration. Additionally, troubleshooting issues related to a faulty test button and burnt resistors are addressed, with users sharing insights on resistor values and types. The conversation also touches on flashing firmware and configuring the device for better functionality.
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