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Incorrect data esp32 UART with JK v11.54 #655
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Could you enable the |
Hi @syssi
Yes, sure. Is this log correct?
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The response doesn't look like the GPS port / UART-TTL protocol. Which BMS model do you own? |
I got three B1A24S15P, last one HV v11u, SV v11.54 as I remember, 4 Pin JST connector couldn't be connected to another port. One thing, I could mix up Tx with Rx. When I swapped it in yaml, I got next log output:
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Could you verify all three wires are connected properly? The second capture with swapped pins looks like a missing GND connection. |
I'll check it at evening, thank you |
I've got three jkbms connected to Home assistant.
Two of them are based on ESP8266 with a bit older HV/SV.
But the last one HV = V11U, SV = V11.54.
I tried to connect ESP32 to it, but I've got strange output.
I thought that there are not enough RAM and cut some not important data for me, but it didn't solve the problem.
It's my first ESP32 based jk-bms device.
I've used ESP32 as I need additional web interface (I've added web_server to yaml).
RAM: [= ] 10.0% (used 32708 bytes from 327680 bytes) Flash: [====== ] 55.4% (used 1016733 bytes from 1835008 bytes)
I'm receiving next data using UART
And the next one I could see in Home Assistant:
My yaml file:
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