Hello,
I'm trying to use an arduino mega and an ethernet shield to with the mqtt examples and the Adafruit IO examples, though I encounter errors when doing so. For the IO example, I keep receiving "connecting......" in the serial monitor and "malformed username / key" error for the mqtt example. Does only the adafruit ethernet shield work for this?
hardware compatibility
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brubell
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Re: hardware compatibility
Which ethernet shield are you using? Could you provide a link to the product URL?
Forum rules
If you're posting code, please make sure your code does not include your Adafruit IO Active Key or WiFi network credentials.
If you're posting code, please make sure your code does not include your Adafruit IO Active Key or WiFi network credentials.