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ValueError: No I2C device at address: 0x30
I connect it using the Stemma-QT connector. I have tried connecting it to various boards and various Stemma cables, but it won't work with any of them. Curiously, its power LED lights up when connected, and all other Stemma-QT devices down the daisy chain function fine. I have not altered the address jumpers, nor have I soldered the headers. The problem persists whether the NeoKey is the only Stemma device connected to the board, or whether there are multiple devices.
Could there be something I'm overlooking?