Anyone have the Emporia Vue Gen 1 working with esphome? #335
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AlexVdberg
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Have you had any success? I bought the Vue 1 and really hope that ESPHome works for it. |
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I ended up getting a Vue 3 and ordering terminal block connectors to use the extra current sensors from the Vue 1 I'm fairly certain I fried the second chip because the esp32 flashed and ran just fine; just nothing from the i2c chip. |
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Emporia dropped support for the Vue 1 and I figured I might as well try getting it on esphome, but I may have killed it in the process. While trying to connect to it, I did smell a bit of that magic smoke smell, but things still seemed to be working, so I was hoping I just got lucky.
There are 2 unpopulated headers on the board; a 6 pin one and a 4 pin one.
The 6 pin header connects to the ESP32, and is labeled TPV, TPR, TPT, TPG, TPE and TP0, but the trick is the TPV pin runs at 15V when it is plugged in. To talk to the esp, just don't connect anything to TPV and power it through the barrel connector. Like the rest of the Emporia Vue devices, tx and rx aren't flipped. TP0 is gpio0 and TPE is the reset/enable pin.
The 4 pin header connects to the a chip labeled BB10-F8G-QFN. Its an EFM8 busy-bee 8-bit microcontroller and uses a different debugger that I don't have.
I'm able to program and communicate with the esp32, but I get this error repeatedly
To look at the i2c bus more, I enabled scanning and it shows no devices on the i2c bus. Following the traces, they are connected to gpio 21 and 22 like the Vue 2. Its possible this chip (EFM8BB10F8G-QFN20) is where the smell came from and is fried. Since I don't have the right debugger for this chip, I have no way to tell if its dead or not.
Has anyone gotten esphome on their Emporia Vue Gen 1? Or know more about i2c and the protocol the Vue uses?
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